Field journal, v4297

Mayhew, Wilbur W.
Unknown
Museum of Vertebrate Zoology, University of California, Berkeley
Original Source
Source Material:
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Biology--Fieldwork Desert biology--California. Reptiles--California. Baja California (Mexico : Peninsula) Imperial County (Calif.) Riverside County (Calif.)

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MADE IN U.S.A. Genuine Trussell 74 CL
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Mayhew 1960 Journal Jan. 28 Dale Dry Lake area, San Bernardino Co., Calif. This morning at 0845 Frank Aubrey, Fritz Zabel, Mark Kuhn & I left UCR. Just north of San Bernardino we discovered Mark's sleeping bag had blown off the car rack we were using. We retraced our steps without finding it, so I picked up an extra one at home. We finally got underway at 1000. We drove through Hesperia, Lucine Valley to Old Woman Springs. Two lite stevansiana were seen at 1300 in the sun at this location. At the time, the wind was 7-15 mph from the S.E.; the air temp. at 30" was 16.5°C; at 1cm. it was 18.0°C.; soil surface temp. was 26.0°C., relative humidity was 37%. One was setting on the windward side of a rock pile in the sun. We found a fine Joshua Tree woodland near Giant Rock. It should be quite good for Sceloporus magister. It is 11 miles north of the junction of Old Woman Springs Road and 29 Palms Road (between Joshua Tree and Yucca Valley). We reached Dale Dry Lake at 1620, then climbed one of the low hills to the S.E. No Uma scoparia tracks (or any other reptile tracks) could be found, although numerous bird & mammal tracks) were visible. It appears that all the reptiles are currently hibernating here.
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Mayhew 1960 Journal 2. Jan. 28 Dale Dry Lake area, San Bernardino Co., Calif. I failed to mention that we blew a left rear tire just before ~~~ we entered 29 Palms, so had to acquire a new one there. When we prepared camp tonight at 2000, we found one of the cots didn't have any end sticks. All in all, it was a bad day for every- one. We drove 227 miles today. Minimum temp. tonight was 36°F. (2°C.). Jan. 29 We arose at 0800 and ate breakfast. We looked for tracks of lizards again this morning without success. A large number of annuals are just through the ground. I marked out a 1 yard square area & divided it into 9 1-foot square quadrates. Then I counted the annuals in each quadrat. The count was as follows: 35, 29, 76, 51, 43, 32, 84, 74, and 59. The average was 53 plants/ft² After obtaining our soil sample at station IV, we dug out a rodent burrow to see if any animals were present. We traced it out about 15 feet, but found no animals. The greatest depth we followed it was 27" at that depth, the soil temp. was 10.8°C. The soil was quite moist at that depth. We ate lunch on some rocks that over- look the Coycomb Mts. Here we caught 2 Uta stansburiana (107, 1♀) and saw 7 others. These were caught at 1335 & 1340.
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Mayhew 1960 Journal 3. Jan. 29 Glamis area, Imperial Co., Calif. Then we drove through Desert Center to Blythe, and then to Glamis. (The air Temp. (30") at Blythe (1535) was 23.0°C.) We reached Glamis at 1730. After eating supper, we tried to night collect between the two canals, but didn't see a thing. The driving took place between 2000 and 2100. We went to bed on Dune Crest at 2400. We drove 194 miles today. Maximum temp. today was 65°F., minimum temp. tonight was 52°F. (11°C.). Jan. 30 We arose at 0800 and ate breakfast. Quite a few Uma notata tracks were visible on the sand, but nearly all of them had been made by very young animals. We looked for lizards from 1000 to 1245. The first Uma was seen at 1005 (juvenal). At that time the air temp. (30") was 18.0°C.; at 1cm it was 18.8°. soil surface temp. was 20.0°C. This animal was not captured. During the 2 3/4 hour period we saw 24 animals and captured 8 of them. However, all but one of the 24 were juvenals. The other animal appeared to be about 1/2 grown. Closeal temp. was obtained and the animals were released. No adults or their tracks were seen. Helianthus tephrodes (formerly riviers) was still in bloom in some areas. Frank dissected a sand hummock to see
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Mayhew 1960 Journal 4. Jan. 30 Glamis area, Imperial Co., Calif. what insects could be found there. The hummock was approximately 1'x2'x4'. Several kinds of beetles were found, as well as some sand crickets & 2 specimens of animals that looked like greatly enlarged sow bugs. We dug our soil sample. We left Glamis at 1315, after collecting a soil sample at Palm Springs, we camped at the entrance to UCR's Deep Canyon Station. We reached that spot at 1745. We went to bed at 2230. We drove 150 miles today. Maximum temp. today was 77°F., minimum temp. tonight was 46°F. Jan. 31 Idyllwild area, Riverside Co., Calif. We arose at 0800. After breakfast, we drove to Idyllwild to check on campsites for the field zoology class. We looked at Riverside County Park, which is a good possibility. We also looked at our lots in Pine Cove to see if we might be able to trap animals there. We tried to get to public camp grounds north of Pine Cove, but the cliff roads were to wet & icy to get through. We reached UCR at 1435 after driving 103 miles today. The total mileage for the trip was 674 miles. Mark's sleeping bag had been turned in to the San Bernardino police while we were gone.
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Digitized by the Internet Archive in 2017 with funding from CLIR https://archive.org/details/fieldjournalv42900mayh_1
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Mayhew 1960 Journal 5. Feb. 15 Dale Dry Lake area, San Bernardino Co., Calif. This morning at 0855 Frank Aubrey & I left UCR. We reached our collecting site at 1100The last house on 29 Palms Highway is only 3.4 miles west of our site (corner of Iron Age Mine Road & 29 Palms Highway). No reptile tracks could be found, but there were numerous mammal tracks visible. There was evidence of a very strong wind (or winds) having blown since our last trip. We could find no trace of reptiles anywhere, so we gathered our soil samples & ate lunch. Although it was a beautifully clear, calm day, the temperature was rather low: time-11/0: air temp.(30") - 14.2°C. .. .. (1cm) - 14.5°C. soil surface temp.- 28.2°C. There are lots of Dithyrea, Hesperocallis, Oenothera above ground, but few blossoms yet. We left Dale Lake at 1220 and drove toward Glamis. Glamis area, Imperial Co., Calif. We saw lots of Oenothera claviformis in bloom at the southern boundary of Joshua Tree National Monument. In Box Canyon, along Highway 195, we saw the following in bloom (5mi. E. of Mecca): Isomeris arborea Mohavea confertiflora Oenothera claviformis
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Mayhew 1960 Journal 6. Feb. 15 Glamis area, Imperial Co., Calif. Oenothera brevis Nama demissum Escholtzia glyptosperma We reached our campsite near Glamis at 1915. We tried to night collect along the way, but no animals were to be found. We drove 323 miles today. The maximum temp. we encountered today was 19°C. (66°F.), the minimum temp. tonight was 8°C. (46°F.). Feb. 16 We arose at 0730 and ate breakfast. We watched Navy planes bombing + strafing their near-by target areas until the temperatures rose somewhat. We began looking for lizards at 1015. The first lizard we saw (juvenal Uma notata) was spotted at 1018. It was under the surface of the sand in the open. At that time weather conditions were as follows: relative humidity - 37% air temp. (30") - 16.2°C. .. .. (1cm) - 20.0°C. soil surf. temp. - 29.8°C. wind - NW; 1-3 mph. no overcast The cloacal temp. of this animal was 27.3°C. We searched for animals from 1015 to 1225 (time out for obtaining soil samples). After lunch, we searched from 1300 to 1530. During the day we caught 21 lizards
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Mayhew 1960 Feb. 16 Glamis area, Imperial Co., Calif. that we kept. We caught several others, took their temperatures, & released them. The animals retained were: Uma notata - 14 (7 ad m; 1 imm. m; 2 ad f; 4 imm. f) Urosaurus graciosa - 7 (5 ad m; 2 ad f) Both of these species were fairly abundant today, particularly after 1300. Several adult Uma notata were caught under rocks that we felt we had uncovered with our probing. They were quite cool & made little or no effort to escape. The large number of reptile tracks in the sand indicated that they are becoming quite active again. A very strong wind has blown through the area since our last trip (Dune Crest Drive is completely covered with sand in two places - some spots as deeply as 2 ft.), so the reptile tracks are fairly new. We left the collecting area at 1540, but stopped several times before reaching Brawly to look at wildflowers. (Incidentally, only 2 very ragged blossoms were found on Helianthus tephrodes this month. Many new plants of this species are coming up now.) Some of the species found in bloom are: Oenothera claviformis Abronia villosa Dittraya californica Larea divaricata Hesperocallis undulata Palafolia linearis
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Mayhew 1960 Journal 8. Feb. 16 Glamis area, Imperial Co., Calif. Plantago sp. a small forage. Some plants were in bloom even at Squeaky Springs and Truckhaven! However, we didn't stop to try to identify them. We reached UCR at 1915 after driving 170 miles today. The entire trip covered 493 miles. Maximum temp. today was 25°C. (77°F.). The trip was made in #241 ('58 Chev. station wagon). Feb. 23 Palm Springs area, Riverside Co., Calif. Frank Aubry & I left UCR at 0845 in #325 ('59 Ford station wagon) to get our monthly soil sample near Palm Springs. We stopped along the old highway between Garnet + 1000 Palms to check on the wildflowers blooming in that area. Some of the hillsides already are yellow from blooming Baraba canescens. In addition, these species also were seen in bloom: Plantago purshii Brassica sp. Oenothera claviformis Cryptantha or Atriplex villosa Plagiosbothys sp. Dithyrea californica Erigonum sp. Nama demissum a small forage Larrea divricata a couple of grasses after driving to UCR's station in Deep Canyon to check progress on the fence (no action at present), we returned
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Mayhew 1960 Journal 9. Feb. 23 Palm Springs area, Riverside Co., Calif. to Palm Springs. We reached the collecting site at 1340. After obtaining the soil samples, we looked around for Uma insignata. Two juvenals were seen, but no immatures or adults. A few Uma tracks were visible, but none of animals of any large size. The weather was quite cool while we were there (air temp. [30°] of °C.) and a brisk breeze was blowing. Consequently, we didn't really expect to find any active reptiles. Human tracks, as well as bird & small mammal tracks were seen, so the reptiles probably haven't been active in any numbers since the last wind storm in the area. We returned to UCR at 1515, after a trip of 156 miles. Feb. 25 Riverside area, Riverside Co., Calif. Frank Aubrey & I left UCR at 1055 to look for Sceloporus orcutti and Sceloporus occidentalis. We stopped first in the Bernasconi Hills (2 miles W. of Lakeview) to look for animals. We looked from 1120 to 1220 without seeing a trace of a lizard. The air temp.(30°) at this time was 15.8°C. The sky began to cloud over & a southerly breeze sprang up, causing the temp. to drop. The remainder of the afternoon was spent looking for likely collecting areas for these
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Mayhew 1960 Journal 10. Feb. 25 Riverside area, Riverside Co., Calif. two species of lizards. Many good areas with adequate access roads were found around Lakeview, Nuevo, Homeland, Romoland, Moreno, etc. We returned to UCR at 14:45 after a trip of 75 miles. Mar. 7 Date Dry Lake area, San Bernardino Co., Calif. This morning at 0705 Frank Aubrey + I left UCR in '60 Rambler station wagon) for collecting site #IV. One Uta stansburiana was captured near Morongo Valley route. The first Uma seen at Dale was spotted at 0950. We looked for animals from 0950 to 1100, During that time we saw only 6 animals. One of these was captured, and released. We were unable to capture any of the others. After getting our soil samples between 1100 and 1110, we again looked for lizards. Between 1110 and 1130 we saw and captured 1 Uma scoparia. At 1115 we saw a young Crotalus cerastes partially covered by sand at the base of a creosote bush. The soil surface temp. at that time at the animal's location was 31.4°C., the air temp. (30") was 22.2°C. We ate lunch from 1130 to 1155, then looked for lizards from 1155 to 14:00. During this time we saw 19 Uma scoparia + caught 10. We also saw 2 juvenile Cellisaurus draconoides. Few Uma became active much before noon. Our impression is that many of these animals are still
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Mayhew 1960 Journal Mar. 7 Dale Dry Lake area, San Bernardino Co., Calif. hibernating. Probably only those animals that hibernated in exceptionally good locations have come out of hibernation yet. It was interesting to note that relatively few young animals were seen today. We left the collecting site at 14:10. Plants seen in Olsom between Dale Dry Lake & 29 Palms were as follows: Dithyrea californica a borage Oenothera deltoides Astragalus sp. Alonia villosum Lupinus sp. Isomiris arborea Brassica sp. Rafinesquia californica Hymenoclea salsola 2 unidentified Malacothrix californica species. Nama lemiscohum Oenothera claviformis Plagiosothyx or Cryptantha Oenothera triplex Many of the hillsides in the southern portion of Joshua Tree Natl. Monument were bright yellow from dense stands of Oenothera triplex. Numerous other plants were in bloom in the same area, but we didn't have time to stop and investigate thoroughly. We reached the Highline Canal east of Brawley at 1830. Glamis area, Imperial Co., Calif. We began night collecting at 1830, but found only 1 adult of Colymbex verifatus
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Mayhew 1960 Journal 12. Mar. 7 Glamis area, Imperial Co., Calif. before we stopped for the night at 2015, we drove 323 miles today. The maximum temp. we encountered today was The minimum temp. tonight was 61° F. The animals caught today were: Uta stansburiana - 1 (ad ?) Uta scparia - 11 (5 ad ?, 3 ad ♀; 2 ad ?♂; 1 im. ♀) Colevys variegatus - 1 (ad ?) Total - 13 Mar. 8 We arose at 0800 (temp [30°] - 70° F.), and eat breakfast. We broke camp at 0910 and looked for lizards from 0920 to 1200. Soil samples were obtained from 1220 to 1230. We resumed our search for lizards from 1230 to 1410. The first Uta notata was seen at 0855, but they probably were active earlier than this. We caught the following animals today (total for day - 36): Colevys variegatus - 1 (ad ?) Urosaurus graciosa - 17 (11 ad ?, 6 ad ♀) Uta notata - 18 (6 ad ?, 5 ad ♀; 3 ad ?♂; 2 im ♂; 2 im ♀) These animals were most numerous shortly after we began looking at 0920. We captured 10 animals in the 1st two books (Erioforum deserticola) we investigated. Although animals were still being seen occasionally when we quit, they weren't nearly as abundant on the surface as they had been earlier. The maximum air temp. (30°) was only 90° F. today, which is
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Mayhew 1960 Journal 13. Mar. 8 Glamis area, Imperial Co., Calif. entirely tolerable to these animals later in the season. The maximum soil surface temp. we recorded today was only 49.6° C., which also is tolerated by these lizards later in the year. 50 animals were caught on the trip. Plants in bloom in the clunes are: Palafopia linearis Helianthus tephrodes Croton californica We left the collecting area at 1435 after eating lunch. Plants in bloom between dunes & highway end: Oenothera deltoides Oenothera claviformis Dithyrea californica Hesperocallis undulata Abronia villosum Larrea diviricata Cryptantha or Plagiosbothys Palafopia linearis Mentzelia Nama hispidum Erisgonum sp. Plantago 3 unidentified species We reached UCR at 1855, after a trip of 168 miles today & 491 miles for the entire trip. We are quite pleased with the way the '60 Nash station wagon performed on this trip.
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Mayhew 1960 Journal 14. Mar. 10 3 mi. N. W. of Palm Springs, Riverside Co., Calif. Frank Aubrey & I left UCR at 0830 in car # 241 ('58 Chev. station wagon) for this collecting site. We reached the location at 0930. We began looking for lizards immediately, and continued to look for them until 1245. After lunch (1245 to 1330), we collected our soil sample (1330 to 1345), then looked for lizards from 1345 to 1500. A fairly large number of Ura inornata are now active in this location. Numerous tracks were seen, as well as many animals. Most of them were active from 1000 to about 1230. An adult Crotalus cerastes was found on the collecting site today. The following animals were captured and returned to UCR today: Sceloporus magister - 1 (ad. ?) Callisaurus draconoides - 2 (ad. ?) Ura inornata - 17 (6 ad ?; 6 ad ?; 1 ? ?; 3 im. ?; 1 im. ?) Thus, 20 animals were retained, 4 of which will be sent to Alvin Earle at Boulder, Colo. We left the collecting area at 1505, and reached UCR at 1556, after driving total of 87 miles. The maximum temp. today was 29°C. (84°F). Mar. 14 Riverside area, Riverside Co., Calif. at 0945 Frank Aubrey, Walt Moberly & I drove out to look for Sceloporus orcutti & Sceloporus occidentalis.
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Mayhew 1960 Journal Mar. 14 Riverside area, Riverside Co., Calif. We started looking a short distance east of Moreno. The 1st Sceloporus orcutti was seen on a rock in the sun at 1010. They may have been active earlier, but we didn't reach their habitat until then. At that time, air temp.(30") was 19.0°C., rock surface temp,(sun) was 31.0°C. Numerous Sceloporus orcutti were seen from then until 1415. By that time temps. had cooled sufficiently to cause these animals to retreat to their underground (or underrock) locations for the rest of the day. Sceloporus occidentalis were seen only from 1245 to about 1400. It may have been that we weren't in good Sceloporus occidentalis territory the rest of the time. Animals caught today: Uta stansburiana - 2 (1ad ?; 1ad ?) Sceloporus occidentalis -3(ad. ?) Sceloporus orcutti - 6(3ad. ?; 1ad.?; 2 im.?) Total - 11 We found some excellent looking area for these two species of Sceloporus N.W. of Perris. (Turn off Highway 395 at Markham St.- just S. of March Air Force Base). Hills are low, but quite rocky. We returned to UCR at 1615 after a trip of 75 miles today. We were in #310, a Nash Rambler Sedan. 15.
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Mayhew 1960 Journal 16. Mar. 17 Mojave Desert, San Bernardino Co., Calif. at 0830, Frank Vasek, Frank Aubry & I left UCR for a 5-day trip to investigate land that the University might obtain for desert research. We drove through Little Morongo Valley to 29 Palms, then east past Dale Dry Lake to the Rice area. We checked on a section of sandy land near Rice, then drove north across Darby Dry Lake to Cadiz. After gassing up at Amboy, we drove north to Keego to eat. We spent the night at Kaiser's old Vulcan Mine. Minimum temp. tonight was 42° F. During the night a wild burr owoke us with its braying about 100 yards from our camp. We drove 272 miles today (in #1223 - a 1952 Chev. camp-all). Mar. 18 We left Vulcan Mine & drove east over the edge of the Providence Mts., then turned north along the eastern edge of the Providences. We ate lunch near Granite Well, just N.W. of Wild Horse Canyon. Then we drove east past the Snotto Hills, then N.W. to the southern edge of the New York Mts. Frank Vasek was quite sick by this time, so we drove out to Jorpanah, and ran out of gas about 3 miles from Highway 91. We used our can of white
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Mayhew 1960 Mar. 18 Mojave Desert, San Bernardino Co., Calif. got to get us to the station at Desert City. We bought enough gas there to get us to a Standard station at Halloran Wells (the Standard station at Stateline was out of gas). We were taking Frank back to Riverside, but he began to feel better by the time we reached Baker, so we turned north at that point & camped near Silurian Dry Lake at the old site of RenoVille. We drove 188 miles today. Minimum temp. tonight was 41°F. Frank was feeling pretty good by the time we went to bed. Mar. 19 We drove north this morning to look at a couple of sections along the Amargosa River. Then we drove N.E. toward Tecopa Pass, after which we drove north of the Kingston Range, then east to Mesquite Dry Lake. We had a difficult time getting out of Mesquite Dry Lake. The road disappeared, & we had to climb out of the valley along a stream bed. We eventually reached a powerline road. This was a good road, but had a locked gate on it. We had to back-track over 1/4 mile and drive around the gate. We gassed up at Halloran Wells again, then drove to Larapah Dry Lake to spend the night.
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Mayhew 1960 Journal 18. Mar. 19 Mojave Desert, San Bernardino Co., Calif. We camped at Yates Well at the edge of the dry lake. Minimum temp. tonight was 28°F. We drove 160 miles today. Mar. 20 We arose at 0630 and checked sections on or near Ivanpah Dry Lake. We drove through Desert to Ripon to Ivanpah. Then we went through the New York Mts. again, but turned east toward the Nevada border. We eventually reached Castle Buttes & Indian Spring in the New York Mts. Then we retraced our route to Ivanpah. We drove from there to China, and then to Helloran Springs for gas. After refueling we returned toward China, but camped in Joshua tree woodland a few miles north of China. We drove 14¼ miles today. We camped for the night at 2155. Minimum temp. tonight was 46°F. Mar. 21 We drove toward China this morning, checking several sections of Joshua tree woodland. Before reaching China, however, we turned west and hiked for the lava beds north of the Kelso Mts. After eating lunch in the lava beds, we drove around the Old Dad Mts. toward Baker. This road was in much worse shape than it had been two years ago. It took us over an hour to drive 5 miles. After refueling at Baker, we returned to Riverside.
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Mayhew 1960 Journal 19. Mar. 21 Mojave Desert, San Bernardino Co., Calif. We reached UCR at 2040, after driving 227 miles today. We drove a total of 991 miles on the entire trip. Mar. 28 Deep Canyon area, Riverside Co., Calif. Walter Moberly, Frank Aubrey & I left UCR at 0910 in the '52 Chev. camry-all (1223) for the Coachella Valley. I had seen 4 Diposaurus israelis active on March 24th, so we were trying to get some. There were strong winds blowing on the desert today, however, so not many animals were active. One adult Diposaurus dorsalis was seen all day (we caught it). The first Crotaphytus wrighti we've seen this year was captured today. We returned to UCR at 1540, after driving 143 miles today. April 2 Mojave Desert, San Bernardino Co., Calif. Frank Aubrey & I left UCR at 0720 with 25 Field Zoology students. We reached the Mojave River, 3 miles north of Cedar Springs at 0830. Spring apparently has not arrived in this region yet. Few leaves are to be seen on any deciduous tree. Very few birds were seen during our stay. The wind was rather strong, which may have partly explained the rather small number of birds seen or heard.
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Mayhew 1960 Apr. 2 Journal 20. Mojave Desert, San Bernardino Co., Calif. a lot of Sceloporus occidentalis and Uta stansburiana were active in the middle of the day. We left this area about 1230 and drove into the conifers about 1 mile south of Cedar Springs. All the deciduous trees along the stream lacked leaves. The situation is quite different than a year ago when all of these trees were covered with leaves at this time. Almost no birds were found here either. At 1300 we drove to Hesperia, then began looking for reptiles in Joshua tree woodland. No animals were found active near Hesperia. I took 1/2 of the class through Phelan on our way to Zoojjoy & Saddle- back Buttes. No reptiles were seen on the entire route. We passed through the Phelan area about 1400. A couple of Xantusia vigilis & about 3 Uta stansburiana were seen on Saddleback Buttes about 1530. We started for home, but finally saw a Sceloporus magister sunning itself on a Joshua tree at 1645. Several others were seen, & some captured between then and sunset. (One was captured at sunset). I don't know why they had been inactive earlier. The temp. was still within
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Mayhew 1960 Journal 21. Apr. 2 Mojave Desert, San Bernardino Co., Calif. a couple of degrees (C.) of what it had been during the afternoon. The weather never became very warm (~24°C) at any time during the day; Frank found essentially the same thing. He found lots of lizards active near Phelan when he reached that area about 1500. He returned to UCR at 1800. We reached UCR at 1945 after driving 203 miles in # 023 (1960 Chev. station wagon). Animals caught today were: Sceloporus occidentalis - 26 (14 ad m; 10 ad f; 1 im m; 1 im f) Sceloporus magister - 5 (3 ad m; 2 ad f) Uta stansburiana - 9 (7 ad m; 1 ad f; 1 im m) Phrynosoma coronatum - 1 (ad f) Cnemidophorus tigris - 1 (im(?) f) Total - 42 Apr. 3 UCR area, Riverside Co., Calif. This afternoon Frank Aubrey & John Ellis went after lizards near UCR. The weather was warm & bright, with no wind. They caught a total of 15 lizards, as follows: Sceloporus occidentalis - 8 (6 ad m; 1 ad f; 1 im m) Sceloporus orcutti - 4 (2 ad m; 1 ad f; 1 im? f) Uta stansburiana - 3 (ad m) Lots of S. occidentalis were active during their entire outing, but S. orcutti was not overly abundant in the area they worked.
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Mayhew 1960 Apr. 11 Journal 22. Mojave Desert, San Bernardino Co., Calif. Frank Aubrey, Walter Mobley + I left UCR at 1015 on our monthly collecting trip. The weather was beautiful when we left, but as we approached Yucca Valley, we could see a good sized [illegible] cloud bank in the east. By the time we reached our collecting site at Dale Dry Lake, the sky was completely overcast, and the weather was quite cool for this time of year. We arrived at Dale Dry Lake at 1345. We began to look for lizards, in spite of the weather, at 1355, and continued to look until 1525. During that time the maximum air temp. was 25.8°C. We saw a total of 5 Uma scoparia (all adults). We caught 2 of these (1♂; 1♀). We saw + caught 1 Urosaurus graciosa [adult] + 1 Chimactis occipitalis (imm.). No other reptiles were seen. It appeared the coolness produced by the overcast, and the S.W. wind (9-12 mph), tended to keep the animals inactive. at 1530 we drove east toward Rice to see if we could get out of the wind behind the hills. In spite of our efforts, we were unable to escape the wind. Not one vertebrate (alive) was seen before we reached the Riverside - San Bernardino county drive. However, 2 Masticophis flagellum + 1 Phyllorhynchus decurtatus were found DOR. We stopped at the county line to cool
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Mayhew 1960 Journal 23. Apr. 11 Mojave Desert, San Bernardino Co., Calif. Dinner at 1720. While there we found a live adult Crotalus cerastes about 30 feet from the car. After eating, we began night collecting back toward Dale Dry Lake at 1830. All we found before we reached Dale at 1940 were 2 DOR Crotalus cerastes and 1 DOR Uma scoparia. We camped near Dale in our usual location at 1940, after driving 149 miles today. Minimum temp. tonight was 54° F. Maximum temp. today was 79° F. A S.W. wind, 10-15 mph (gusto to 23), blew all night, making our camp a rather unpleasant place. Apr. 12 I arose at 0605 because I was sick, sick, sick of sand in the face. The wind is still blowing as hard as ever, but the clouds have disappeared. The other 2 fellows didn't arise until 0720. after breakfast, we decided to leave the area + return later in the month. We left the region at 0845. 18 miles east of Dale Dry Lake we stopped to look for lizards in a rocky area near the road. Two Sauromalus obesus (a pair) were captured here. No other lizards were seen. We drove on to a lunch stop 9 miles north of Desert Center. At this stop we captured: Diposaurus derelicis-3 (2ad Ø; 1im Ø; 2 im ♀)
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Mayhew 1960 Journal 24. Apr. 12 Mojave Desert, San Bernardino Co., Calif. Cnemidophorus tigris - 2 (ad Ψ) Uta stansburiana - 2 (1 ad γ; 1 ad Ψ) One Phrynosoma platyrhinos (ad γ) was found on the road just before the lunch stop. After leaving Desert Center, we drove to Blythe, then south through Palo Verde. Five miles south of Palo Verde an adult Crotalus atrox was seen crossing the road. It was captured and preserved for the field zoology class. We ate dinner at the end of the pavement 12 miles east of Glamis. At 1855 we began night collecting toward Glamis. During the evening (up to 2340) we captured 9 Coleonyx variegatus (5 ad γ; 4 ad Ψ), but saw no other reptiles. We drove 234 miles today. Maximum temp. was 84°F., minimum temp. tonight was 52°F. 20 animals caught today. Apr. 13 Colorado Desert, Imperial Co., Calif. We arose at 0700 and ate breakfast. We drove along the road looking for reptiles until 0950. Then we walked through the dunes until noon. After obtaining our soil samples, we looked for lizards again until 1300, then drove to the Coachella Canal where we ate lunch. Then we looked for lizards near the canal from 1450 to 1620. Then we drove to Indio to night collect along Dillon
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filed on November 2, 1950 (2) E - right (3) E - left and (6) E - center the first thing he did was to go home and tell his wife that he would not be able to return until the following day. He then drove to the store where he bought some groceries and went back home. P. The weather was clear and sunny with a temperature of 75 degrees Fahrenheit. The wind was blowing from the west at 10 mph. There were no clouds in the sky and the visibility was excellent.
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Mayhew 1960 April 13 Journal 25. Colorado Desert, Riverside Co., Calif. Road from 1950 to 2215. 3 Crystalus creastes (one a very small one) were seen on the road during our night collecting, but we didn't bother them. We camped for the night near 1000 Palms. The animals collected today were: Dipsozaurus lorealis - 5 (2 ad ?; 1 im ?; 2 im ♀) Uma notata - 28 (14 ad ?; 9 ad ♀; 1 im ?; 4 im ♀) Uroaaurus graciosa - 8 (4 ad ?; 2 ad ♀; 1 ad ?; 1 im ?) Uta stansburiana - 1 (ad ?) Crystalus wiesigeni - 1 (ad ?) Phrynozoma mi'calli - 1 (ad ♀) Coleonyx variegatus - 2 (ad ?) Total - 46 Maximum temp. today was 93°F., minimum temp. tonight was 54°F. We drove 144 miles. Apr. 14 We arose at 0645, after breakfast we drove along the old highway, between 1000 Palms to Garnet, looking for reptiles. 3 Phrynozoma platykinos (ad ?), 1 Uta stansburiana (ad ?) + Uroaaurus graciosa (ad ?) were caught along the road. Then we drove to our collecting site 3 miles N.W. of Palm Springs. By the time we arrived, the wind was blowing rather hard. Animals was hard to find and even harder to capture in the wind. Therefore, we returned to Palm Springs and found no wind blowing. We collected along Vista Chino
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13 file #9, Colorado Desert Rivera Co. Calif. outlet is 21cc & 8790 mark head we also saw (as shown on map) streams, "initially flying into gravel bed at topography and melt water? While we had all about 000, seen taking off and : new valley bottom stream. (8 mi s; 6h mil; 4h ho) - already accumulated (9 mi x; 9h mil; 2h ho p; 5h ho &c) - station yard! (10 mi; 7ho; 3h os; 5h ho+4) - mapping accumula (16 ho) - undetermined with (16 ho) - irregular outlets? (4 ho) - filling up topography (10 ho) s - outlying normals) J4 - let's T minimum, 7°EP saw great fruit magnific ation #1 work at 7°+2 new thist spot on temperature with 2h & 10 to show it! also selected, judged like all grade mark totally of gridal times at about etc! / (6 ho) completely accumulated & (5 ho) mapping accumula + (6 ho) undetermined we just seen all grade figures new will align & this initially was at work previous as cut the yd springing into 10 design broad valley generally now know it! & viewed new km brief at broad new horizon as perfect knew all in stages bring km brief line springing into 10 at and still grade bottomless & (7) gruel
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Mayhew 1960 Journal 26. Apr. 14 Colorado Desert, Riverside Co., Calif. Road until 1630. We caught the following animals today: Uma inornata - 9 (4 ad ♂; 3 ad ♀; 1 im ♂; 1 im ♀) Dipsosaurus dorsalis - 23 (7 ad ♂; 4 ad ♀; 8 ad ?; 1 im ♂; 3 im ♀) Uta stansburiana - 1 (ad ♂) Phrynosoma platyrhino - 4 (ad ♂) Phrynosoma m'calli - 1 (ad ♀) Crotaphytus wrighti - 2 (ad ♀; ad ♂) Total - # 41 The total captures on the trip were: Uma sespaea - 2 (1 ad ♂; 1 ad ♀) Uma notata - 28 (14 ad ♂; 9 ad ♀; 1 im ♂; 4 im ♀) Uma inornata - 9 (4 ad ♂; 3 ad ♀; 1 im ♂; 1 im ♀) Dipsosaurus dorsalis - 31 (10 ad ♂; 5 ad ♀; 8 ad ?; 3 im ♂; 5 im ♀) Phrynosoma platyrhino - 5 (ad ♂) Phrynosoma m'calli - 2 (ad ♀) Crotaphytus wrighti - 3 (2 ad ♂; 1 ad ♀) Uta stansburiana - 5 (4 ad ♂; 1 ad ♀) Urosaurus graciosa - 10 (4 ad ♂; 3 ad ♀; 2 ad ?; 1 im ♂) Coleonyx variegatus - 11 (7 ad ♂; 4 ad ♀) Crotalus atrox - 1 (ad ♂) Cnemidophorus tigris - 2 (ad ♀) Sauromalus obesus - 2 (1 ad ♂; 1 ad ♀) Chionactis occipitalis - 1 (im) arizona elegans - 1 (im) Total = 113 animals Seven Crotalus (6 C. cerastes, 1 C. atrox) were seen on the trip. We drove 98 miles today, + 625 miles on the trip. Maximum temp. today was 91° F.
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Mayhew 1960 April 21 Dale Dry Lake area, San Bernardino Co., Calif. Frank Aubrey, Steven Peterson + I left UCR for this collecting site at 0610. We began looking for lizards beside the road at 0815. At 0820 we found the first active lizard (Cnemidophorus tigris). We stopped periodically along the way to capture lizards that were seen from the car. I have never seen so many Dipsoaurus dorsalis in this area before, nor have I ever seen them active this early before. We finally reached our usual collecting site at 1030, just as the wind began to blow. It blew the remainder of the day. An adult Crotalus cerastes was seen under a Larrea divicicata at 1035. It was collected for its reproductive organs. We looked for lizards until 1305, when we stopped for lunch. After eating, we collected our soil sample from this station. At 1405 we began driving east toward Rice to see if we could get out of the wind and perhaps find some animals along the road. We didn't get out of the wind, but we did find some animals. We continued until we were 15 miles east of Dale Dry Lake. At 1700 we stopped looking for lizards and retraced our route toward home.
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Mayhew 1960 Journal 28. April 21 Dale Dry Lake area, San Bernardino Co., Calis. We captured the following animals today: Uma scoparia - 17 (12 ad m; 4 ad f; 1 imm m) Diposaurus dorsalis - 19 (10 ad m; 7 ad f; 1 ad ?; 1 imm m) Cnemidophorus tigris - 4 (3 ad f; 1 ad ?) Uta stansburiana - 3 (2 ad m; 1 ad f) Urosaurus gracilis - 5 (4 ad m; 1 ad ?) Sauromalus obesus - 1 (ad f) Phrynosoma platyrhinos - 4 (ad m) Callisaurus draconoides - 1 (ad m) Crotalus cerastes - 1 (ad ) Total - 55 We reached UCR at 2005 after a trip of 235 miles today. Maximum temp. today was 96° F. April 28 Palm Springs, Riverside Co., Calif. At 0720 Frank Aubrey & I left UCR in the carry-all for this site. We reached Palm Springs at 0820. We looked for lizards at the end of Via Escuela from 0830 to 0840. The air temp. (30") at this time was only 17.5° C., so we returned to the vehicle. A N.W. wind, 15-20 mph., was blowing, and continued to blow all day. In fact, the velocity increased to about 25 mph. later in the day. We began looking for lizards again at 0945 until 1045. The first lizard was seen at 0955. At 1005 a Crotalus cerastes was seen. We ate lunch from then until 1120, when we began to look for lizards again.
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Mayhew 1960 Journal 29. April 28 Palm Springs, Riverside Co., Calif. We continued to look until 1415, but moved during this time about 1/2 mile to Vista Chino Road. Better accretion dunes occur here. Another Crotalus cerastes was seen at 1210. In spite of the wind and cool weather (maximum temp. today was 74°F.), we captured 12 lizards of 4 species, as follows: Uma inornata - 7 (4 ad ♂; 3 ad ♀) Callisaurus draconoides - 2 (1 ad ♂; 1 ad ♀) Crotaphytus wislizeni - 2 (1 ad ♂; 1 ad ♀) Dipsoaurus dorsalis - 1 (ad ♂) Total - 12 Relatively few other animals were seen during our entire stay. Cnemidophorus tigris was the only species seen that wasn't captured (besides Crotalus cerastes). We left Palm Springs at 1435, and reached UCR at 1535, after a trip of 100 miles. April 29 Colorado Desert, Riverside & Imperial Cos., Calif. The field zoology class (20 of us) left UCR at 1205 today. We stopped for a while on the old highway between Garnet & 1000 Palms. The wind was blowing fairly hard, so few animals were seen. We reached Harper's Well at 1730 and established camp for the night. Mammal traps were set, how eaten, then we looked for nocturnal animals by Coleman lantern. One Nestoma sp. was seen. While sitting around the
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Mayhew 1960 Journal 30. April 29 Colorado Desert, Riverside & Imperial Cos., Calif. campfire a Colonyx variegatus wandered by & was captured. The animals seen today were: Neotoma sp. Colonyx variegatus Lepus californicus Uma ignornata Phrynosoma platyrhino Callisaurus macrondides Dipsosaurus dorsoalis Lesser nighthawk Morning dove White-throated swift Vaux swift We drove 127 miles today. Maximum temp. today was 78°F.; minimum temp. tonight was 51°F. We hit the sack at 2400. April 30 We arose at 0615. We ate breakfast and checked the mammal traps. 23 traps had been set & 6 animals were captured: 2 Peromyscus maniculatus 2 Dipodomys deserti 2 Perognathus penicillatus We left camp at 0735 and hiked to the juncture of Carrizo & San Felipe Creeks. Along the route (going, coming, & there) we saw: Red-winged blackbird Rough-winged swallow Sambel quail Western kingbird Morning dove Vaux swift
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Mayhew 1960 April 30 Journal 31. Colorado Desert, Imperial Co., Calif. Callisaurus macrurus Goniosphorus tigris Uta stansburiana Crotaphytus wicklani No muskrats were seen at San Felipe Creek but their burrows were seen and one complete skull was found beside the stream. More water was flowing in both Carrizo & San Felipe Creeks than I have seen for some time. The water was quite clear, so it isn't likely to have been storm run-off. We returned to the cars at 1100, then left the area. We spent a couple of hours (from 1345 to 1550) at Bower Lake, north of Brawley, watching birds. Those seen at this location were: yellow-headed blackbird Red-winged blackbird Horse sparrow Black tern Coot Sulfur-billed gull Barn swallow Rough-winged swallow Common gallinule Fulvous tree duck Eared grebe Pied-billed grebe Western grebe Ruddy duck Ring-billed gull Black-necked stilt Cinnamon teal Verrdin Scott's oriole Avocet White-winged dove Blue grosbeak Hudsonian curlew Cliff swallow Western kingbird Lopsided shrike
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Mayhew 1960 April 30 Colorado Desert, Imperial Co., Calif. A Sceloporus magister was seen on a power pole at the northern city limits of Brawley, but we were unable to catch it. We then drove to the Algodones Dunes. Along the way we saw: Gambel quail Hudsonian curlew Brewer's blackbird Burrowing owl Citellus tereticaudis Uma notata Roadrunner Meadowlark Red-winged blackbird Morning dove Ladder-back woodpecker Uroaurus graciosa After camp was established on Dune Crest Drive, night collecting began at 1925. 33 Colonyx variagatus were collected between then and 0105, when we stopped for the night. In addition, 7 others were seen but left alone, and 9 were found run over by cars. While night collecting, we also saw: 2 Crotalus cerastes (DOR) Dipodomys deserti Vulpes macrotis Lepus californicus Peromyscus maniculatus Phrynosoma mcallii (DOR) Maximum temp. today was 88° F.; minimum temp. tonight was 65° F. We drove 148 miles today. May 1 We arose at 0700. We looked for lizards from 0900 to 1215. During this time the following animals were seen: Callisaurus draconoides Diposaurus dorsalis Uma notata Uroaurus graciosa
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Mayhew 1960 Journal 33. May 1 Colorado Desert, Imperial Co., Calif. Crotalus cerastes Crotophytus wislizeni Cnemidophorus tigris Leconte thresher Mourning dove We left the Coachella Canal at 1330. Other species of animals seen on the trip home were: Citellus beechyi Phainopepla Crow Raven Turkey Vulture Red-tailed hawk Western Bluebird Calif. quail Prairie Falcon We returned to UCR via Highway 78 and Warne's Hot Springs. Ocotillos are still in bloom in parts of the Narrows, & agave are just beginning to bloom. We reached UCR at 1915 after driving 199 miles today (474 miles for the trip). Maximum temp. today was 94°F. 69 kinds of animals were seen on the entire trip. They are: Neotoma sp. Lepus californicus Peromyscus maniculatus Sylvilagus auduboni Perognathus penicillatus Citellus tentaculoides Dipodomys deserti Citellus beechyi Vulpes macrotis Colonyx variegatus Uma cinerata Uma notata Phrynosoma platyrhino Phrynosoma m'calli Urosaurus graciosa Callisaurus draconoides Dipsosaurus dorsalis Cnemidophorus tigris Uta stansburiana Crotophytus wislizeni Crotalus cerastes Sceloporus magister
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Mayhew 1960 Journal 34. May 1 Colorado Desert, Imperial Co., Calif. Manning dove White-winged dove Lesser nighthawk Red-winged blackbird Brewer's blackbird Yellow-headed blackbird Sambel quail Calif. quail Western kingbird Rough-winged swallow Cliff swallow Barn Swallow Vaux Swift White-throated Swift Roadrunner Hudsonian curlew Western meadowlark Burrowing owl Ladder-back woodpecker House sparrow Eared grebe Common gallinule Western grebe Pied-billed grebe Ring-billed gull Cinnamon teal Coot Ruddy duck Scott's oivle Black tern Black-necked stilt Red-billed tean Avocet Greater yellow-legs Verdin Blue grosbeak Loggerhead shrike Leconte thrasher Raven Crow Phainopepla Prairie falcon Sparrow hawk Western bluebird Red-tailed hawk Turkey Vulture Horse finch Forster's tern The following reptiles were captured on the trip: Uma notata - 20 (10 ad Ø; 3ad &; 1 in Ø; 2 in &; 4 in ?) Urosaurus graciosa - 4 (1 ad Ø; 3 ad &) Callisaurus draconoides - 8 (3ad Ø; 5ad &) Crotaphytus wraligani - 1 (ad Ø)
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Mayhew 1960 Journal 35. May 1 Colorado Desert, Imperial Co., Calif. Phrynosoma platyrhino - 2 (ad ?) Cnemidophorus tigris - 3 (1 ad ?; 2 ad ♀) Dipsoaurus dorsalis - 18 (4 ad ?; 8 ad ♀; 1 ad ?; 5 imm ?) Phrynosoma micelli - 1 (ad ♀) Colubrix variegatus - 33 (19 ad ?; 14 ad ♀) Thus, 90 animals of 9 species were handled by members of the class (reptiles). May 9 Frank Anbry & I left UCR at 1120 to return to the Glamis area. On the way, however, we stopped along the highway 6 mi. w. of 1000 Palms in Riverside Co., to collect some Dipsoaurus dorsalis. We looked for them from 1230 to 1300. Several of them had been seen sunning themselves on boulders just before we stopped. Most of those we captured, though, were in the shade of Larva diversicata. We captured 6 before we drove on. We reached the Highline Canal, east of Brawley, at 1545. We began looking for lizards along the side of the road immediately. We made one slow trip from there to the end of the pavement, 12 mi. E. of Glamis, which we reached at 1908. On this trip during the first 4 miles, 1645 to 1742, we collected 9 Phrynosoma micelli as they sunned themselves on the asphalt at the edge of the pavement. This is by far the most animals of this species we have ever seen in one day. In addition 2 dead animals were found on the road. They had been dead a short time.
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Mayhew 1960 Journal 36. May 9 Colorado Desert, Imperial Co., Calif. After eating chow at the east end of the pavement, we began night collecting toward Elamio at 2000. A Hypsiglena torquata was found slightly injured 11 mi. E. of Elamio, but no other animals were seen (except rabbits) until we were west of Elamio. We finally caught 18 Coleonyx variegatus, but released one obviously gravid ♀ when we decided we had a large enough sample of ♀. No other reptiles were seen alive, but 2 recently squashed Crotalus cerastes were found. We stopped for the night at 2315 on top of Dune Crest Drive. We drove the car - all 221 miles today. The maximum temp. today was 105°F., the minimum temp. tonight was 74°F. May 10 We arose at 0500 and ate breakfast. We looked for lizards along the road from 0635 to 1110. We drove first to Elamio, then back through the dunes and between the 2 canals. We only had time to make one pass through the area before it became so hot the animals retreated underground. Some Celligaurus draconoides were still active when we left the area, but they were so spooky we couldn't catch any. No Phrynosoma calli were seen this morning, even though we drove through the area we did so well in last evening. It was getting quite hot by the time we reached that area, however. We left the entire area at 1120.
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Mayhew 1960 Journal 37. May 10 Colorado Desert, Imperial Co., Calif. We drove along the old highway between 1000 Palms & Garnet on the way home, and captured a Dipsosaurus dorsalis, the only reptile we saw. We reached UCR at 1600 after driving 175 miles today, & 396 miles for the entire trip. Maximum temp. today was 109° F. Total captures for the trip were: Uma inornata - 1 (ad ♂) Uma notata - 17 (11 ad ♂; 5 ad ♀; 1 im ♂ [released]) Phrynosoma m'calli - 9 (3 ad ♂; 6 ad ♀) Hypsiglena torquata - 1 (♂) Callisaurus draconoides - 5 (4 ad ♂; 1 ad ♀) Urosaurus gracilis - 1 (ad ♂) Coleonyx variegatus - 18 Dipsosaurus dorsalis - (1000 Palms) - 7 (4 ad ♂; 3 ad ♀)
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Mayhew 1960 Journal 38. May 14 Coachella Valley, Riverside Co., Calif. all morning (gusts to over 35 mph were recorded). Very few animals were seen at this location (a few Diperoanaus drosalis), so we drove on to Vista China Road in Palm Springs, arriving at 1035. Large numbers of Diperoanaus drosalis and a few Uma insinata were seen or captured at this site in spite of the wind. We left this area at 1200 and started up Highway 74 from Palm Desert. One stop was made at about 2000 foot elevation where 1 Uta stansburiana, 1 Sauromalus obesus, & 1 Crotaphytus collaris were captured. Sceloporus occidentalis & Sceloporus orcutti were seen but not captured. Then we drove on to Pinon 7 lots for lunch (1400 to 1430). The wind was so strong here we didn't look around for animals. We reached Idyllwild at 1530 and set up camp in the Idyllwild Co. Park. The sky became overcast during the evening, but no rain fell. The minimum temp. tonight was 38°F. We drove 137 miles today. May 15 Idyllwild Area, Riverside Co., Calif. We arose at 0700. No mammal traps had been set the previous night because of the number of
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{ "text": "Concetta Veltri, Riverside Dr.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [TRANSCRIPTION_TRUNCATED_DUE_TO_LOOP]
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Mayhew 1960 Journal 39. May 15 Idyllwild Area, Riverside Co., Calif. children in the area, so no traps had to be checked this morning. 7 of rolled in early, so we left the park at 0845 + drove to Marion Mt. camp- ground. We hiked up the trail toward the top of Marion Mt. about one mile, looking for birds + Sceloporus gracilis. On the way back to the cars we found 3 Crotalus viridis within 10 feet of each other on a rocky outcrop near the trail. We captured the largest one (4'6"½") for the student collection, but the other two escaped in the rocks. The large one was in sight over 1/2 hour, however, because it took me that long to make a round trip to the car for the snake collecting equipment. We hadn't carried the gear along because we thought it was too cold for rattles to be active yet. When they were sighted at 1130, air temp. (30") was 9.5°C., air temp. (1cm) was 16°C., rock surface temp. was 32°C. We returned to the cars, ate lunch, then started for UCR 1330. We reached UCR at 1445, after driving 66 miles today, + 203 miles on the entire trip.
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Mayhew 1960 Journal 40. May 15 Idyllwild Area, Riverside Co., Calif. The following animals were captured on the trip: Cristalus viridis - 1 (ad ♂) Crotaphytus wislizeni - 2 (ad ♀) " " collaris - 1 (ad ♂) Sauromalus obesus - 1 (ad ♂) Uta stansburiana - 1 (ad ♂) Sceloporus gracilis - 4 (2 ad ♂; 2 ad ♀) Phrynosoma platyrhinos - 1 (ad. ♂) Uma inornata - 2 (ad ♂) Dipsosaurus dorsalis - 51 Total - 64 Animals seen embedded in tar at edge of pavement 6 mi. N. W. of 1000 Palms: Cristalus creatus - 6 Phyllorhynchus decurtatus - 1 Dipsosaurus dorsalis - many Cnemidophorus tigris - several Celliurus draconoides - some Phrynosoma platyrhinos - few Crotaphytus wislizeni - few Masticophis flagellum (probable) 3 birds, one of which was a thrasher. Dipsosaurus dorsalis was most abundant, then Celliurus draconoides, then Cristalus creatus, followed by Phrynosoma platyrhinos. The following animals were seen at some time on the 2-day trip:
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(to be) I - silicium sulphate (to be) 2 - impeding antiphlogistic (to be) 1 - cinelle " (to be) I - amarys sulphurum2 (to be) I - aquilaforita etc) (2 to 5; to be 5) II - purgative purgatives? (to be) I - opifugata antiphlogistic (to be) 2 - stearic acid 12 - aileardo sulphurum #d - lots T not ni kibkelimi nice olarino P.W.M.,im J. fanning po sile to :amlo? ooo; I - ataxero sulphate I - autstavado emblyphelia9 grum - aileardo sulphurum? Ionce - niget antiphlogistic aroe - ambicardo sulphure wel - puriflatelo amaregga9 wel - impeding antiphlogistic (Molberg? mulleolf) idel'tor. ...to o aov tove, no to (akio) 3 triba, so of which was a tribu. Torn aov ileard sulphurum? ilkiarordo ammaricam9, the Colliacano of haveloj, antares sulfit mit ...sulegito, amaregga9 ...o almino gnindly est yelo - 2 elt or unit was to :oint
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Mayhew 1960 Journal 41. May 15 Idyllwild Area, Riverside Co., Calif. Meadowlark Crow Brewer's blackbird Barn swallow Citellus tenericundis Cistophytns wisizeni " " collaris Phrynosoma ptyxhino Uta stanburyana Sauromalus obesus Sceloporus greclanus Masticaphis flagellum Red-breasted capsscker Audubon warbler Clokes nutcracker Cali. quail Rock wren White-throated swift Common cowbird Black phoebe Song sparrow Western tanager Acorn woodpecker Mockingbird House Sparrow House finch Mourning dove Tree swallow Citellus lecheyi Dipsoaunus dorsalis Uma insinuta Sceloporus crentti " " occidentals Sciurus gaisens Cestalus viridis Oregon junco Purple finch Mt. Chickadee Sparrow hawk Mt. quail Black-throated sparrow Western bluebird Band-tailed pigeon Western wood pewee Steller's jay Block-headed grosbeak Robin a total of 47 species were seen on the trip. Sixteen of us made the trip (14 students, Frank Aubrey & I). The temp. on the entire trip was quite cool; ex: maximum air temp. we found today was 11°C.
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Mayhew 1960 Journal 42. May 20 Mojave Desert, San Bernardino Co., Calif. The field zoology class (6 members + a visitor), Frank Aubrey & I left UCR at 1145 and drove to Harperia. After eating, we drove on to Lucerne Valley, then north to the Ond Mts. We checked a spring on sec. 36, T 7 N, R 1 W, but it didn't look at all good for our purposes. We drove on to Stoddard Valley to our campground 8 miles south of Barstow, collecting reptiles along the way. We reached the campsite at 1600. We began looking for reptiles immediately. a few Lata stansburiana were seen but not caught. An adult of Crotalus mitchelli was captured on the west- facing slope of a hill about 150 yards S.E. of the camp. We looked for animals until 1715. We ate chow, then started to night collect at 1915. We looked for animals until 2230. A S.W. wind of 10-15 mph. was blowing at our campsite from the time we arrived until we left. Animals seen today were: Bullock's oriole Mourning dove House Sparrow Robin Killdeer Red-winged blackbird Crow Raven Horned Lark Zoppelhead Shrike Western meadowlark Brevis blackbird
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Mayhew 1960 Journal 43. May 20 Mojave Desert, San Bernardino Co., Glif. Rock wren Say's phoebe Gambel quail Black-throated sparrow Sceloporus magister Citellus beckyi Crotaphytus collaris " tetricaudis Uta stansburiana " luteocanus Cnemidophorus tigris Phrynosoma platyrhinos Callisaurus draconoides Sauromalus obesus Crotalus mitchelli Lupus californicus Hadruros hisutius Pipistrelles sp. Reithrodontomys sp. Dipodomys sp. Crotalus cerastes animals caught in traps tonight were: Peromyscus sp.-3 Petrognathus sp.-3 Maximum temp. today was 82° F. Minimum temp. tonight was 55° F. May 21 We arose at 0645. After eating breakfast, we left the campsite at 0815. We stopped between the campsite and the Barstow-Lucerne Valley Road to look for and mark Dipodomys agasizi. We marked 7 of them in this area. We also saw: Crotalus cerastes Diposaurus dorsalis Black-throated flycatcher Callisaurus draconoides Urosaurus graciora Phrynosoma platyrhinos Horned lark Mastacophilus flagellum We drove slowly toward Lucerne Valley, collecting animals as we travelled. Species captured on the were or was is
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Fil2... anibrenar no2 fuziad avojem as chety gyal new drya manag kiturki-dall licing lelma? igkervel mullitio nitrogen murplex2 airmeistunt " ainalles nutylgater? anmmeral " soaindelella etu avibutaly anroagqu?9 aigint nureldohinen avodly milenumo2 vikinorab murcailles anunnillos augit illedeting ailetat? ae sulletaiq?1 autmarij auruchall ae qurkeqid ae qustralobittiel attacerre aulter? :elli fligist agat _i figuio alemino E - ae anmargmer? E - ae auttarfere?1 3°28 anw yabet .qviet murikam? 7°22 new fligist .qviet muriumm qiter atfe 2+00 to zozo alv 16 0+90 to stagnes elt fyll. as taofder) no stungnes elt nutele) boggter alv t harg yellov aurrant - ysterad alt igiraseg anildyett, drem ku vel tael ene oitt vi mellt po 7 kil.am alv , vao aleo alv aiterab anneranq?9 atterae aulter? vioraab murcailled reltargyl kiturt-ku avibutaly anroagqu?9 arqizang murcaille mulligly idgintuall dalh berth auriant kuant jluale snat alv to no alemino gitalles, yilloV tt no knitner oisn2, hellnat
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May 21 Mojave Desert, San Bernardino Co., Calif. way well: Dipsosaurus dorsalis Phrynosoma platyline Cnemidophorus tigris Crotaphytus wicklgeri After leaving Lucerne Valley, we stopped for a bit near Giant Rock, where we caught: Uta stansburiana Sauromalus obesus Cnemidophorus tigris Between 29 Palms & Dale Dry Lake we saw: Salvadora hislopio Uma scsparia Mockingbird Lesser nighthawk Barn swallow Swainson's hawk We set up camp at 1830 24 mi. E. of 29 Palms near Dale Dry Lake. We night collected from 1945 to 2305, animals captured were: Phyllorhynchus decurtatus - 3 (+1 DOR) Calyrops variegatus - 3 We also saw: Nestoma sp. Dipsodmys sp. Reithrodontmyssp. animals caught in traps tonight: Nestoma sp. Perognathus sp. Dipsdomys sp. Peromyscus sp. Maximum temp. today was 92° F. Minimum temp. tonight was 53° F. Wind was still blowing occasionally when we went to bed.
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(a) [illegible] [illegible] : was [illegible] [illegible] [illegible] : was [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible]
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Mayhew 1960 Journal 45. May 22 Mojave Desert, San Bernardino Co., Calif. We arose at 0700 and ate breakfast. at 0900 we began looking for reptiles in the sandy area west of Dale Dry Lake. We caught: Uma scoparia Dipsoaurus dorsalis Phrynosoma platyrhinos Urosaurus gracilis Other animals seen were: Le Conte thrasher yellow warbler Red-tailed hawk Turkey vulture Raven Cliff swallow We left this area about 1230 and drove into Joshua Tree Nat'l Mon. by way of Old Dale. Along the way we caught: Sauromalus obesus Crotaphytus collaris Dipsoaurus dorsalis We reached 29 palms at 1600, and UCR at 1745. The total trip (in #241) was 539 miles. Maximum temp. today was 90 °F. Total number of species seen on the trip was 55 . The total number of reptiles captured on the trip was 95 . They were: Urosaurus gracilis - 4 (2 ♂, 2 ♀) Callisaurus draconoides - 6 (♂) Dipsoaurus dorsalis - 10 (♂) Coleonyx variegatus - 2 (1 ♂, 1 ♀) Phrynosoma platyrhinos - 6 (5 ♂, 1 ♀) Salvadora hexalepis - 1 (♂) Uta stansburiana - 3 (1 ♂, 2 ♀)
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"filed a claim in the name of the plaintiff, who was also a witness to the accident, and that she had been injured by the driver's negligence. She was then taken to the hospital, where she underwent surgery. The doctor said her injuries were serious but not life-threatening. He recommended that she rest for at least two weeks before returning to work. During this time, she will be receiving physical therapy to help her recover from the accident. In addition to her medical expenses, the plaintiff is seeking compensation for lost wages and pain and suffering. The defendant's insurance company has agreed to pay $50,000 towards these costs. However, the plaintiff believes that this amount is insufficient given the severity of her injuries. She is therefore requesting an additional $25,000 in damages. The case will be heard on Monday morning at 10 AM in Courtroom 4B. Both parties have been given until Friday to submit their final arguments. We look forward to seeing how this case unfolds.
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Mayhew 1960 Journal 46. May 22 Mojave Desert, San Bernardino Co., Calif. Phyllorhynchus decurtatus - 3 Sauromalus obesus - 4 (2 σ, 2 ♀) Crotaphytus collaris - 3 (2 σ, 1 ♀) Crotaphytus wislizeni - 5 (3 σ, 2 ♀) Cnemidophorus tigris - 5 (3 σ, 2 ♀) Uma scoparia - 34 (16 σ, 18 ♀) Sceloporus magister - 8 (4 σ, 4 ♀) May 26 Three animals of 14 species were caught. Palm Springs area, Riverside Co., Calif. Frank Aubrey and I left UCR in the car - all at 0745. We reached our collecting site at Windy Point, 3 miles N.W. of Palm Springs, at 0845. No wind was blowing in the area for a change. We looked for lizards from 0845 to 1115. Then we changed the left rear tire because it had sprung a leak. We ate lunch as we drove to Vista Chino Road in Palm Springs. We looked for lizards from 1115 to 1400 in this area. Two adult Hyla arenicolor were captured beside a running faucet and brought to Riverside for the field zoology lab. practical exam. We captured 15 Dipsosaurus dorsalis at this site that we kept, but we caught and released several others. After gathering a soil sample at this location, we left Palm Springs at 1410 and returned to Windy Point for another soil sample.
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(2,5,6x) + H - [illegible] aula-9 (71,70x) E - [illegible] (2x,68)2 - [illegible] atulafetd (2x,68)2 - [illegible] aurlfahie (731,50 H) + E - [illegible] 9all (2+H,H) E - [illegible] Tifnes was alive +1 to Lemoa out filed at obizzavix more spring mls.9 at ni qcx ifl 6 + yldas AneF was before all 2+50 to blo-jnas W.Mallin & brig played to the pinterles and knew all 2+30 to spring mls.9 to all, eguald a ref and it in general unit.211 at 2+30 nor abqil of bhtol fi general wit was ifl alt hequld as as beed into all seed a group had ifl ni bogr anif atail at eudo as 2211 nor abqil of hbtol all spring byH thic out and it in 00+1 at quinner a shiny brntges new milgivers all of shiwnit at ifjard b.9 times all more loitation will grolng bleif at to allcorpo aumagaid 21 hutges has tifnes as for ifl in folt the grinftag itfo andto Lemoa hieal as imitral out to almea line a bruter has 01+1 to spring mls.9 filed figure line with no of Tris played at
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Mayhew 1960 Journal 47. May 26 Palm Springs area, Riverside Co., Calif. We left the area at 1500 to return to UCR, which we reached at 1550 after a trip of 101 miles. Animals kept today were: Una inornata - 14 (7♂; 7♀) Urosaurus graciosa - 1 (♀) Cnemidophorus tigris - 1 (♂) Dipsosaurus dorsalis - 15 (8♂, 7♀) Total - 31 June 9 Colorado Desert, Riverside & Imperial Co., Calif. Frank Aubrey, Walt Mobely, Ray Folwar, Dave Renthler and I left UCR at 1000 for our monthly collecting trip. We collected at Palm Springs for a while, as well as gathering 2 soil samples. After eating lunch we drove to the Glavis area and collected along the road (used car #240) until sundown. After eating dinner, we night collected from 2030 until 2400. One Crotalus cerastes was seen between the canals. Colonyx variegatus was the only other reptile species seen tonight. However, 2 miles east of Glavis, 10 kit foxes (Vulpes varegatus) were seen - 8 at one spot. all 8 could be seen at one time in the headlight. There may have been more than that at this spot, but this was all we could count with certainty. Two more were seen about a mile down
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(1) - strange (2) - roaring rumble (3) - airship explosion (4) - distant rumble [illegible] It was just like the U. S. Navy did on the 25th, except for the fact that it was not a real explosion. It was just an illusion created by some kind of device. The thing about this is that you can see the whole ship as if it were right there in front of you, but when you try to touch it, your hand goes through it. You can feel the heat coming off of it too. The only way to get rid of these things is to use a special device called a 'phase shifter'. It works by changing the phase of the light waves that make up the image. When the phase is changed, the image disappears.
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Mayhew 1960 June 9 Journal 48. Colorado Desert, Imperial Co., Calif. The road a few moments later. On the return trip 2 were seen in about the same area. The first animals were seen at 2300 in flat ironwood country. Animals collected today were: species Dipsosaurus dorsalis - 25 (20♂, 5♀) (24 at B.S.) Phrynosoma micelli - 4 (1♂, 3♀) Uma notata - 10 (6♂, 4♀) (1♂ at Alamis) Callisaurus draconoides - 2 (2♀) Cnemidophorus tigris - 3 (2♂, 1♀) Coleonyx variegatus - 8 (4♂, 4♀) Total 52 We drove 243 miles today. Maximum temp. today was 101°F., minimum temp. tonight was 68°F. June 10 We arose at 0630 and ate breakfast. We looked for lizards from 0740 to 1100. Walt, Roy & Frank walked in the dunes & collected Uma notata, while Dave & I drove the road & collected our Dipsosaurus dorsalis sample. After eating lunch under the bridge on the Coachella Canal, Then we drove east through Alamis to Blythe, then to Desert Center. We stopped 9 miles N. of Desert Center & filed dinner. Then we night collected to our campsite near Dale Dry Lake. We night collected from 1945 to 2235. The only animals seen at night were: 1 DOR arizona elegans,
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(25) (219, 706) 2.8 — [illegible] (23, 701) — [illegible] — [illegible] (24, 700) 01 — strategy (22) — [illegible] (21, 706) — [illegible] (20, 700) — [illegible] 22 let T [illegible] and 4+5 works. A D part of the same group - 7°80 and their graphed at the base 000 to prove it. 0411 & 0450 — any change in field? or a minute at a fellow's desk, then 6 + next shift. station and lit the [illegible] was hit hard — bear left until found either of those shapes clearly and clearly lit on both sides when it finally struck that we were out. [illegible] to find T toward it, not only 8 reached after 2 + this time. P in line P then came up at hit them again — wait hit them again and just had seen something for lit 286 & 24PI very hardly before 9001; due to rise
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Mayhew 1960 Journal 49. June 10 Mojave Desert, San Bernardino Co., Calif. 1 DOR Phyllorhynchus decurtatus, 1 Coleonyx variegatus. Animals caught today were: Uma notata (Glamis) - 20 (10\u03c3, 10\u03ba) Dipsosaurus dorsalis (Glamis) - 15 (9\u03c3, 5\u03ba) Crotaphytus wrighti " - 3 (2\u03c3, 1\u03ba) Urosaurus gracilis .. - 8 (4\u03c3, 4\u03ba) Callisaurus draconoides .. - 1 (\u03c3) Desert-1(\u03c3) Utah stansburiana (Des. Cent.) - 2 (2\u03ba) Coleonyx variegatus .. - 1 (\u03c3) Total 51 We drove 198 miles today. Maximum Temp. today was 100\u00b0 F., minimum temp. tonight was 70\u00b0 F. June 11 We arose at 0645 and ate breakfast. We looked for lizards from 0800 to 1150. Walt, Ray + Frank walked the sand for Uma scoparia while Dave + I drove the road for Dipsosaurus dorsalis. After obtaining our soil sample at noon, we drove slowly to 29 Palms, looking for lizards along the way. After eating in 29 Palms, we returned to Old Dale + entered Joshua Tree Nat'l. Monument from that direction. Along the way we caught Sauromalus obesus and Crotaphytus collaris. We ate at Cottonwood Springs, then drove to Indio. We might collected along Dillon Road from 2100 to 2315,
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Mayhew 1960 June 11 Journal 50. Colorado Desert, Riverside Co., Calif. One Coleonyx variegatus ran across the road in front of us, + 2 Crotalus crestes were seen on Dillon Road, but nothing was caught. One DOR arizona elegans + 1 DOR Phyllorhynchus decurtatus were picked up for Dave. We drove 152 miles today. Maximum temp. today was 101°F., minimum temp. tonight was 72°F. Animals caught today were: Callisaurus draconoides - 2 (1♂, 1♀) Uma scoparia - 21 (9♂, 12♀) Phrynosoma platyrhinos - 4 (3♂, 1♀) Diposaurus dorsalis - 22 (16♂, 6♀) Crotaphytus wixlizeni - 1 (♂) Cnemidophorus tigris - 1 (♀) Sauromalus obesus - 12 (9♂, 3♀) Uta strobilifera - 1 (♂) Crotaphytus collaris - 5 (1♂, 4♀) Total 69 June 12 We arose at 0600 (camped near power lines near Garnet) and ate breakfast. We looked for lizards along the old highway from 0715. Then we drove through 1000 Palms to Vista Chino Road in Palm Springs. We collected until 1025, then returned to UCR. We reached UCR at 1145, after driving 73 miles today (666 miles driven on the entire trip). Uma inornata seem to be very scarce around the Coachella Valley this spring. almost
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Mayhew 1960 Journal 51. June 12 Colorado Desert, Riverside Co., Calif. none have been seen this spring in area where they have been numerous before. Apparently last year's drought reduced even the adult population. Almost no young animals have been seen this year. Animals caught today were: Urosaurus graciosa - 1 (♀) Diposaurus dorsalis - 6 (2 ♂, 4 ♀) Uma inornata - 11 (9 ♂, 2 ♀) Cnemidophorus tigris - 1 (♀) Total 19 Diposaurus dorsalis are extremely abundant this spring, particularly in the Palm Springs area. We passed up at least 50 this morning that we saw and ignored. They are just about everywhere. When we returned to UCR we found that 19 animals were dead and 1 was injured: Uma notata - 3 (1 ♂, 2 ♀) Uma scoparia - 7 (6 ♂, 1 ♀) Coleonyx variegatus - 1 (♂) Urosaurus graciosa - 1 (♀) Diposaurus dorsalis - 7 (4 ♂, 3 ♀) Total 19 One Diposaurus dorsalis was injured. The 3 Uma notata + 1 Urosaurus graciosa had to be thrown away because of this condition, but the rest were in good enough condition to be saved.
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(?) I - [illegible] (24, ?0 E) W - [illegible] (?E, ?0 P) T - [illegible] (?) I - [illegible] P1 [illegible] [illegible] [illegible] kuf? nu 90U at [illegible] nu (W) :benigi aw | kru hulu wlu aluminu P1 Talt (25(?0) E - [illegible] (?1, ?0) T - [illegible] (?) I - [illegible] (?) I - [illegible] (?E(?0+)?T - [illegible] P1 [illegible]
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Mayhew 1960 Journal 52. June 12 Colorado Desert, Riverside Co., Calif. Totals collected on the entire trip were: species area ♂ ♀ Total Callisaurus draconoides Glenris 1 2 3 Des. Centur 1 1 Dale Lake 1 1 2 Total 6 Diposaurus loralis Palm Springs 21 9 30 Glenris 10 6 16 Dale Lake 16 6 22 Total 68. Phrynosoma m'calli Glenris 1 3 4 Total 4 Uma notata Glenris 16 14 30 Total -2- -2- 26 Cnemidophorus tigris Glenris 2 1 3 Dale Lake 1 1 Palm Springs 1 1 Total 5 Uma inornata Palm Springs 9 2 11 Total 11 Coleonyx variegatus Glenris 4 4 8 Dale Lake 1 1 Total 9, Crotaphytus wislizeni Glenris 2 1 3; Dale Lake 1 1 Total 4 Crotaphytus collaris Old Dale 1 4 5. Total 5 Uma scoparia Dale Lake 9 12 21 Total 21
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LOT 2 to 100 E E I animals. I I [illegible] and E I I date dead J — LOT 30 P 15 spring mole 10 J 11 animals 30 J 11 date, dead 80 — LOT + E I animals + — LOT 20 +1 11 animals 20 (C) — (C) LOT E I 2 animals I I date dead I I spring mole 2 — LOT 11 E P spring mole 11 — LOT 8 + + animals I I date dead P — LOT E I 6 animals I I date dead + — LOT 2 + I date and animals 2 — LOT 15 CI P [illegible] 15 — LOT
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Mayhew 1960 June 12 Journal 53. Colorado Desert, Riverside Co., Calif. Species area ? f Total Urosaurus graciosa slamis 4 4-1 8 Palm Springs 1 1 Total 9 Uta stansburiana Des. Center 2 2 Old Dale 1 1 Total 3 Phrynosoma platyrhinos Dale Lake 3 1 4 Total 4 Sauromalus obesus Old Dale 9 3 12 Total 12 Thus, 191 animals of 14 species were cought on the trip. Since 1 had to be thrown away & 1 escaped, 186 animals were able to be used. July 15 Blue Ridge Campgd., San Gabriel Mts., Los Angeles Co., Calif. Thirteen members of the zoology 113 B class from the Santa Barbara campus of Univ. of Calif., Dr. Mary Erickson & I left the Santa Barbara campus at 15:10 and drove up to this location for the night. We arrived about 1930. We set out mammal traps (12), then ate & went to bed, after looking at the view of the great Los Angeles basin from up there. July 16 We arose at 04:30 & checked the traps. Only 1 Peromyscus maniculatus was caught. We looked at birds after breakfast until 0800. Species seen were: Cooper's hawk Pine Siskin
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Mayhew 1960 July 16 Blue Ridge Campgd., San Gabriel Mts., Los Angeles Co., Calif. Townsend Solitaire Western Bluebird White-breasted Nuthatch Pinyon Nuthatch Violet-green Swallow Cliff Swallow Green-tailed Towhee Fox Sparrow Olive-sided Flycatcher Steller's Jay Mountain Chickadee As we left the area, we captured 19 Sceloporus graciosa & 1 Sceloporus occidentalis. Mojave Desert, San Bernardino Co., Calif. We spent a little time at the Mojave River, 3 miles north of Cedar Springs. The river was dry, but a few isolated pools were still present. It was nearly noon, so few animals were active (air temp. -100°F.). Those seen here were: Sceloporus occidentalis Masticophis lateralis Band-tailed Pigeons Ash-throated Flycatcher Hyla regilla We captured 2 Sceloporus magister & 2 Xantusia vigilis as we passed through Hesperia (1 Xantusia was released). We stopped at 15 mile point to demonstrate to the class that no reptiles would be active at that time of the day. After resting for a while in Lucerne Valley, we drove slowly to Stoddard Valley, looking for reptiles on the way.
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Mayhew 1960 Journal 55. July 16 Mojave Desert, San Bernardino Co., Calif. We set out 11 mammal traps at our campsite, then ate dinner. I took two groups night collecting after we ate. In all, I drove 80 miles night collecting. We saw 1 Crotalus cerastes, several Hadrumus hirsutus, 1 Canis latrans, 1 DOR Chionactis occipitalis, + 1 Colonyx variegatus. We night collected from 2015 to 0110. July 17 We arose at 0530 + checked the mammal traps. Seven of the 11 traps contained animals (3 Peromyscus sp., 2 Perognathus sp., + 2 Neotoma sp.). After breakfast we looked for Sauromalus obesus (caught 3) + Crotaphytus collaris (caught 3) on the rocky slopes. We also marked a tortoise near the top of a small hill just west of camp that was taken from a burrow occupied last year by a marked animal (#6). Later we marked 2 more Gopherus agassizi in the flat creoste rock scmb near the Barstow - Lucerne Valley Road. We also caught several lizards there (Uta stanshuriana, Urosaurus graciosus, Callisium diaconides, Cnemidophorus tigris, Phrynosoma platyrhinos). When the animals became inactive near the middle of the day, we returned to Lucerne Valley. After lunch, we head for UCSB, which
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Mayhew 1960 July 17 Mojave Desert, San Bernardino Co., Calif. we reached at 1730. We brought back 56 reptiles of 16 species (2 preserved- Crotalus cerastes + Chionactis occipitalis). Those brought back were: Crotalus cerastes - 1 Chionactis occipitalis - 1 Callisaurus draconoides - 9 Cnemidophorus tigris - 6 Sauromalus obesus - 3 Crotaphytus collaris - 3 Crotaphytus wislizeni - 1 Phrynosoma coronatum - 2 Phrynosoma pletykinos - 2 Xantusia vigilis - 1 Sceloporus magister - 2 Sceloporus occidentalis - 3 Sceloporus gracilis - 19 Coleonyx variegatus - 1 Urosaurus graciosa - 1 Uta stansburiana - 1 We drove 605 miles (including the 80 miles of night collecting).
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[illegible] [illegible] [illegible] 1 - [illegible] autotro. 1 - [illegible] autotro. P - [illegible] autotro. E - [illegible] multiforme 2 E - [illegible] autotro. I - [illegible] autotro. E - [illegible] autotro 9 E - [illegible] [illegible] 9 1 - [illegible] [illegible] X E - [illegible] [illegible] 2 E - [illegible] [illegible] 2 PI - [illegible] [illegible] 2 I - [illegible] [illegible] 1 - [illegible] [illegible] 1 - [illegible] [illegible] 08 alt. [illegible] adim 20 d [illegible]
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Audrey 1960 Journal 22 mi E. of 29 Palms, S. Bdo. Co., Calif. July 15 - Walter Molvry, Bob Kargiowaki, Bob Fakunding, & I left UCR at 1350 on our regular monthly collecting trip to 29 Palms & Glamis. The first animal caught was a ? Callisaurus draconoides at 1720 at which time the air temperature was 42.8°C. I- -This same area we also saw a hatchling Phrynosoma platyrhino and a hatchling Callisaurus draconoides. We caught one Callisaurus, 2 Dipasaurus, 4 Uma scoparia, and 1 Cnemidophorus tigris this day between 1720 & 1900. Sun-down was at 1855 after which we ate dinner and then drove out towards Rice. At 2010 (air temperature = 36.2°C) we saw a Crotalus cerastes on the road. 30 Miles E. of 29 Palms two Coyotes ran crossed the road and, later on, a kit-fox also crossed the road in front of us. We made camp at the usual spot at 2300. Minimum temp- erature for the night was 29.5°C. A reptile trap was set but yielded nothing.
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[illegible] [illegible] - 71 gul [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] - 1. 3°5.54 oaw en Karynet [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] - 2781 to awa rinewm? [illegible] [illegible] [illegible] [illegible] [illegible] 30 Miles of [illegible] [illegible] [illegible] [illegible] [illegible] [illegible] [illegible]
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Audrey 1960 Journal 2 July 16 - 22 mi E. of 29 Palms, San Bernardino Co., Calif. We arose at 0500, [illegible] had breakfast, and were in the field by 0630. The first animal caught was an adult ♂ Phrynosoma platyphino⸱ at 0625 at which time the air temperature was 33°C. Animals were scarce and the ones we did see were quite wary. Walt Moberly + Bob Falkunding patrolled the road while Bill Leskiewski and I walked out into the dunes. From the car six species were collected but [illegible] more in great quantities. Collecting was very poor in the field, almost nothing being seen the first hour. The last Uma scoparia was caught at 0830 at which time the air temperature was approximately 38°C. Dipsoseerus were still active until around 1045- at which time the air temperature was between 42-45°C. We left the area at 1100 and headed for 29 Palms. The air temperature was 48.5° C at this time.
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Journal 3 July 16 - Yuma Sand Hills, Imperial Co., Calif. After leaving 29 Palms we drove thru Joshua Tree Natl. Mon. and down the north side of the Salton Sea, reaching Glennis area at 1620. The air temperature at this time was 45.5°C. No lizards were seen until 1830 (air temp. 42°C) when a ♀ adult Uma notata was captured beside the road. Several small Umass were caught out in the dunes but no large adults were seen. Sunset was at 1845. We then ate dinner & started night collecting. At 1930 a very small coleonyx was found on the pavement. (Air temp 38.5°C, Road surface temp: 43.6°C). At 1945 an adult ♀ coleonyx was taken but, aside from 2 sidewinders, no more reptiles were collected that evening. Three complete runs between the canals were made, all animals being seen on the first of these. We made camp at 2230 in the old gravel pit 8 mi W. of Glennis. Minimum
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"[illegible] all" bno3 amny - 21 gde files 2eu ando 9 ps principal at4A nom. etu sent saudot ndlt record ult go obiantrom ult-nas bus ano simed 3% pinloners (see note2 to enterequst no alt . 0521 to bragil on . 3°2.7H new smit ult (25P.fust nA) 0831 litus new erew acer stotm andl thubo 4 a ndw lerauz . boarult abised besa790) two tlpres ewew andl elon6 thubo qnal on twi semb ult ni .2H81 to new teams . new ewe -tblim hetota + remlad ato milt 2W drama fues a OEP1 tA . quitcelles ult no bmaj son sigraeled bua9, 3°2.85 dm( nA) . tweuwaq no 74 P1 tA . (3°6.5H =fust eofino mulet son typreled & thubo celbinubio s may obias, this [illegible] ewew alitxfer erow an stelymes sendt . priverne talt eww planes ult wanted amu new snied domino llo , abom abom 2W . result go karij ult no learap llo alt ni 08-5-5 to qmuso [illegible] . canceld fo W im 8 taq
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July 16 - Yuma Sand Hills, Imperial Co., Calif. Temperature for the night was 30° C. July 17 - Yuma Sand Hills, Imperial Co., Calif. We arose a 0500 this morning, breakfasted, and were in the field before 0630. The first lizard, a ? adult Uma notata, was captured at 0610. Temperatures were: (°C) Air 33.5°, 1cm 34.5°, Soil Surface 36.2°. Walt Moledy + Bob Losziewicz patrolled the road in the car and reported that the lizards were extremely skittish. Dipso- saurus would run from the road to a hole as soon as the car stopped, even before anyone get out. In the run between Glanis and the Highway canal only lizards, including one hatchling Crotaphytus vernalis, were collected. After 1000, when the air temperature exceeded 37.5° C, collecting became very poor. We left the area at 1200. (Air temp: 43°C) We left a lizard trap at near the Cochella canal
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10 (3°) (3°)
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Journal 5 Audrey 1960 July 17 - Snow Creek, 3 mi N.W. of Palm Springs, Riverside Co., Calif. A stop was made here on our way home in order to plant a [illegible] reptile trap on the lee side of a sand dunmroke. Air temperature was 45°C and a 5-6 mph N.W. wind was blowing. No lizards were seen. We then returned to UCR, arriving at 1630 after driving 553 miles. Altogether a total of [illegible] lizards were caught, including 16 Uma scoaria, 20 Uma notata, 1 Culeonyx variegatus, 5 Phrynosoma platyphinum 2 Emmelophorus tigris, 13 Dipsozaenus dorsalis, Callisaurus draconoides, 4 Rotaphtus wislizeni, and Urosaurus graciosa.
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Համոց ֆուլ 01 նեղ? թո՛ւ մայր է, ըսածը մարզ – տիշտ փիլի .Չվերադարձիչ գործել յուր ներքև և առած լեռնա սով դեմա Ա վիղգոս, Էթ – տրակց. և մեծու՝ առավ հնազ և ինչին էլ կտտ ու չերտ անու եկուցագետնիԱ . Նոր-ամենը ասու գիրք, Մ.Ե՛ Ադմ 2-7 և բուն 5°Հ . նեղա սերունդ վրայել «Ու . ընկնածիլ վիճակո, ի՞նչ չու տ հետոտան կանթը ա՛ւ . միխմ Է-72 գործելև եսֆա ՕԷՃԻ Լա հեղոգիլ ինձ էտոտ ս ուտեգոթէԱ ամու՛ ղի բունվերին, հրջպես առև (սկտան առավ ՕՇ (ստաջաք ստացրվել? Է, օտցայինո աղբյուրը) 1 (արի՞տ առաջդեհերնում) 5 բանվորոլթելի սավիլեն) (վիճառոբ մունուցագիր? Է1 (մեսկանյան ստղազետոս Բ. ծխնոտանոն) . քարշորո առնողոսԱՎ բուն
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July 23 - Palm Springs - Riverside Co., Calif. Walter Moberly, Jim Tarzileh, and I left UCR this morning at 0410 PST to take our monthly sample at Palm Springs. At 0505 we stopped at Windy Point to check the trap we had left there last Sunday, July 17. There was nothing in it but insects & spiders so we removed it and continued on to Vista Chino Dr. Sunset was at 0505 and we were in the field by 0540. (Temp = 26.5°C). The first lizard, a ♀ adult Uma inornata, was seen at 0615 in the sun on the side of a sand dune-mock. The temperature at this time were: Air 30" - 29.5°C. Air 1cm - 29.5°C. Soil Surface - 29.5°C. At dawn the sky was clear but the humidity was high enough to make it uncomfortable for us. Clouds began to build up over the mountains around us and to extend into the desert until, at 1100, the sky was at least 50% overcast and the sun was partially obscured. By 1030 (Air temp = 38°C) most lizard activity had stopped, possibly because
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(19), 2018, H - opning? nA - 23 Tie, integrat mit , gledom utlov? 70 grimmum vift 500 fil I gledtrum ana etot it 724 01 po 2020 TA . opning? nA?, to elfnum, delt it tvis? plisv te kofgta an Tvol snlt ltel had en yart elf- cov anstt , 51 ylb?, gebnet? viifot stromi laul di ni frimtn. banitna ana it brumana ana an van, gramme. in? qindi stau et un glesf eltf enun an lnuv 2020 to kafy eT . (5°7.23> gmT). 0420 yi? nan stromi anu thile ? a, bragil eliv alt no ana elf ni 2120 to alle udigret ast . strummet lnuv a jo
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July 23 - Palm Springs, Riverside Co., Calif. Of the high soil surface temperature (65.5°C). At this time we took a soil sample and then went back out to Windy Point to take our second soil sample. In twenty minutes of searching only one Uma was seen and it was very wary, running down a hole before it could be captured. The time was now 1230 and we gave up and returned to UCR. Several hatchling were seen today including 5 Uma inornata, 2 Colliasaurus diaconoides, and 1 Cemidophorus tiguis. Several others were seen but not identified. We arrived at UCR at 1330 after a trip of 101 miles. Total number of animals collected today was 20 including: 8 Dipsoaurus dosalis 8 Uma inornata 4 Colliasaurus diaconoides 1 Phrynosoma mcalli. Maximum temperature was 38°C.
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[illegible] [illegible] [illegible] [illegible] [illegible] 920. As leiningen W . haft, eli ten relia 101 go fust a utge oti i de Kottella, levino fo stnen kafet. : pindelin OS aon yalat idroskaunnaooyi 8 stanovni arid 8 edriszvarb auenailles P illa'im anve-angeld. I ,2°48 aou enfarepint muumxim
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Mayhew 1960 Journal 57. Aug. 8 Colorado Desert area, Riverside Co., Calif. at 0910 Frank Aubry, Bob Lasiewski, Walt Mofely, Ray Folmer, Kurt Pickus, & I left UCR in 2 vehicles (Cany-all & 1958 Chev. station wagon). We stopped about noon near the Riverside - Imperial Co. line to check over the possibility of setting up an experiment on Uma at Bat Cave Buttes. We walked about a mile to the buttes. One adult of Uma notata was seen & captured, which essentially eliminated the area for consideration for the project we had in mind. Glamis area, Imperial Co., Calif. We then drove onto this area to begin collecting. We drove slowly down the road for 1/2 hour between the Highline & Coachella Canals, looking for animals (1540 to 1610). Lots of hatchling Uma notata were seen. Sunset occurred at 1830 and several Uma were caught before that time. We began night collecting at 1945 by driving in shifts - one crew was on the road all night. Kurt & I drove until 2200; then Walt & Ray drove until 2400; Frank & Bob followed until 0200; finally Kurt & I drove until 0700. Three Coleonyx variegatus hatchlings were seen tonight, as well as 3 Crotalus cerastes (adults). Only a few adult Coleonyx
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Mayhew 1960 Journal 58. Aug. 9 Glamis area, Imperial Co., Calif. were captured all night, so it was impossible to say that night collecting before dawn is better in summer than collecting early in the evening. We collected 2 Phrynosoma m'celli about 0400, which was quite surprising to us. We drove 175 miles night collecting last night, 366 miles for the entire day, Callicrura hatchlings were seen. at least 38 Wood Ibises were seen in trees and on open farm land at 0550 this morning near Orita Siding. The first Uuna was seen at 0625; air temp (30") at this time was 31.6°C. Sunrise was 0505 today, Minimum temp. last night was 82°F., maximum temp. yesterday was 112°F. We looked for Uuna notata from 0745 to 1000, then from 1100 to 1215. We left the area at 1215 and drove east through Glamis to Blythe, then to Desert Center. We stopped at the San Bernardino - Riverside Co. line to fix chow. However, we caught one Sauromalus obesus before we ate (cought at sundown). Then we night collected to our campsite at Dale Dry Lake, stopping at 2050. One Phyllorhynchus decurtatus was caught. We drove 200 miles today.
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Mayhew 1960 Journal 59. Aug. 10 Dale Dry Lake, San Bernardino Co., Cal'f. We were able to capture fairly large numbers of Uma scoparia this morning. Walt & Kent drove the road looking for animals while the rest of us collected on foot. By noon we had an adequate sample, so we drove to Old Dale, then south to Joshua Tree Nat'l Monument to look for Sauromalus & Crotaphytus collaris. For some reason they were very scarce today. We caught 1 Sauromalus obesus + a couple Crotaphytus collaris. Then we drove through 29 Palms on our way to Granddaddy Dune. Palm Springs area, Riverside Co., Cal'f. We caught a few Uma incognata before lunch on Granddaddy Dune. Then we drove to our campsite near the powerlines east of Garnet. Aug. 11 We started looking for animals on Granddaddy Dune at 0630. A large number of Uma incognata were captured rather early, so we decided to drive to Vista Chino Road in Palm Springs to get Dipsoaaurus dorsalis. (Left D. Dune at 0840.) Relatively few Dipsoaaurus were seen the rest of the morning, however. We were quite surprised at the small number seen.
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Mayhew 1960 Journal 60. Aug. 11 Palm Springs area, Riverside Co., Calif. We returned to UCP at 1845, after taking a trip up into Deep Canyon with Lloyd Tevis. The total distance driven on the trip was 861 miles. Two can (5 gal.) traps had been set out the month before, one at Windy Point, one near the Coachella Canal. The animals found in these traps this month were: Windy Point Coachella Canal 2 Chionactis occipitalis 2 Chionactis occipitalis 1 Uma inornata (ad ?) several scorpions 1 Callisaurus draconoides + beetles 1 dead Urosaurus graciosa several scorpions + beetles Upon our return, we placed the following animals in the outdoor cages to hold over the winter: cage #1 Uma inornata - 22 (3 ad ?; 7ad ?; 1ad? ; 9 ad ?; 2 ?) cage #2 Uma notata - 14 (5ad ?; 1ad ?; 4ad ? ; 4ad ? ) cage #3 Uma scoparia - 12 (4 ad ?; 6ad ?; 2 ad ? ?) The remainder of the animals either were dissected or sent to Dr. Wm. Dawson at the University of Michigan. (16% were dissected)
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(2 bo c, 8 ho d, fo bo e) c1 - [illegible] (2 bo d, fo bo f, 8 ho g) c4 - [illegible] c + 3900
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Mayhew 1960 Aug. 11 Journal 60a. Mojave & Colorado desert trip. Those dissected from this trip were: Callisaurus draconoides - 12 Colonyx variegatus - 6 Crotaphytus collaris - 2 " " wislizni - 1 Dipsosaurus dorsalis - 34 Phrynosoma m'calli - 4 " " platyrhinos - 5 Sauromalus obesus - 2 Uma inornata - 36 " " notata - 27 " " scoparia - 28 Urosaurus graciosa - 6 Uta stansburiana - 1 Total - 164 approximately 30 animals were mailed to Dawson from this collecting trip, and 48 were placed in outdoor cages.
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107NO "m" - 1952-1953 E1 - adrenergic receptors 6 - autonomic ganglia 4 - nicotinic acetylcholine 7 - imipramine +E - adrenergic agonist H - illo's amphetamine 2 - aspartate E - nicotinic antagonist PE - serotonin, norepinephrine TG - histamine DE - dopamine D - acetylcholine I - anisodamine (H) H+D1 - letot T new platinino OE platinum(II) chloride salt, very reactive to light. resistant to hydrolysis and oxidation.
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Mayhew 1960 Journal 61. Aug. 15 Palm Springs, Riverside Co., Calif. Bob Lasiewski & I left UCR at 0520 to try to get some Dipsoasura dorsalis. The weather was very pleasant, with the temperature remaining below 100° F. until afternoon. As a result, 64 animals were captured this morning: 24 Dipsoasura dorsalis 27 Uma inornata 3 Crotophytus wialigani (juv.) 1 Cnemidophorus tigris (juv.) 2 Dipsoasura dorsalis (juv.) 1 Urosaurus graciosa (juv.) 6 Uma inornata (juv.) 64 animals We returned to UCR at 1240 after driving 105 miles today. Sept. 9 Glamis area, Imperial Co., Calif. Walt Moberly, Ray Folmar, Tony Tebelakio, & I left UCR at 1035 in #240 (1958 Chev. station wagon). We reached the Glamis area at 1640 (Highline Canal). We drove slowly between the two canals looking for animals. 9 Phrynosoma mcalli were collected here (6 immatures). We reached the Yuma Dunes about sundown, but still were able to capture 6 adult Uma notata before dark. (Sundown at 1753- last Uma caught at 1820.) One young & 1 adult Crotalus cerastes were found
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Mayhew 1960 Journal 62. Sept. 9 Glamis area, Imperial Co., Calif. in the dunes at this time (1815). Both were on top of sand clumps around the base of Ephedra californica. We began night collecting at 1820 & continued to 2200 (46 miles). Several Coleonyx variegatus and one adult Crotalus cerastes were found on the road. We drove 219 miles today. Maximum temp. today was 105° F, minimum temp. tonight was 82° F. Sept. 10 We arose at 0650 & ate breakfast. We began looking for lizards at 0755. We collected lizards until 1030. The humidity was so high, collecting was miserable. We were continually bathing in our own sweat. Several Urosaurus graciosa + Uma notata were captured, however. 2 more traps were set out just north of the road at our usual collecting site. We checked the trap at Coachella Canal, but found only 6 scorpions and a large number of beetles. We left the area & drove to Glamis, where the owner of the store agreed to check a rain gauge for me. I mounted it in his back yard. Then we drove north through Joshua Tree Nat'l. Monument. Smoke Tree Wash had a flash flood go through as we crossed it. It had been flowing a little before
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Mayhew 1960 Journal 63. Sept. 10 Dale Dry Lake, San Bernardino Co., Calif. We arrived. We camped at our usual site near Dale Dry Lake. (It had rained very heavily at Glanis on Sunday, Sept. 4th. Some estimated as much as an inch.) We drove 199 miles today. Maximum temp. today was 103°F., minimum temp. tonight was 82°F. Sept. 11 We arose at 0615. We looked for lizards from 0800 to 1130. Not too many animals were seen this morning. Some Dipsoaurnus dorsalis as well as several Uma scoparia were captured. A few animals were still active when we quit at 1130, but they were hard to find and harder to catch, after collecting our soil sample, we left the area at 1205. We reached UCR at 1515. Maximum temp. that we recorded today was 100°F. We drove 112 miles today, and 530 miles on the entire trip. animals caught on this trip were: Uma notata - 30 " scoparia - 17 Dipsoaurus dorsalis - 6 Phrynosoma m'celli - 9 Coleonyx variegatus - 7 Urosaurus graciosa - 9 Callisaurus draconoides - 1 Total - 79
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Mayhew 1960 Sept. 16 Journal Palm Springs, Riverside Co., Calif. Walt Moberly & I left UCR at 0500 to get our monthly sample at this collecting site. We checked the trap at Windy Point, but only a few beetles were in it. Sunrise occurred at 0535. We reached Vista Chino at 0600. It was still quite cool, so we didn't begin to look for animals until 0645. We looked until 1215. The first Uma (a hatchling) was seen at 0705; at that time, weather conditions were: air temp. (30") - 26.4°C. " " (1cm) - 27.6°C. soil temp. - 29.0°C. clear with no wind Two hatchling Phrynosoma m'calli were picked up on the sand some distance apart (one at 0720, the other at 0810). Some animals still were active when we quit. At this time, weather conditions were: air temp. (30") - 36.oo°C. " " (1cm) - 41.5°C. soil temp. - 64.0°C. animals caught today were: Uma inornata - 26 (3 hatchlings) Diposaurus dorsalis - 8 Phrynosoma m'calli - 2 (both hatchlings) Total - 36 We returned to UCR at 1410 after driving 105 miles today.
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Mayhew 1960 Oct. 7, 1960 Journal Palm Springs, Riverside Co., Calif. Walt Moberly + I left UCR at 0600. We checked the trap at Windy Point at 0700. Several beetles were present, as well as one tiny scorpion and one dead hatchling Chimactis occipitalis, but no living reptiles. The trap was about 1/3 full of sand. We reached a collecting site across the road (Ramon Road) from the cemetery at 0730. We looked for lizards from then until 1130. During that time we saw only 2 adults, both of which we caught (1?, 1?). A fair number of young animals (hatchlings) were seen, the earliest at 0700. Lots of Crotalus cerastes tracks were seen (at least a dozen separate tracks), + one young Crotalus cerastes was seen at the entrance to a burrow. Almost no tracks of adult Uma inornata were seen anywhere, although 3 students caught 2 adults + saw several more at this same site yesterday. We drove to Vista Chino Ave. for our soil sample, arriving at 1200. Then we looked for Uma at this site until about 1220. No animals or tracks of adults were seen. However, 1 hatchling Uma inornata, 1 hatchling Cnemidophorus tigris, + 1 hatchling Dipsoaurus lorealis were seen here. We left for UCR at 1230, but saw Floyd Tevis on the way. We reached UCR at 1630 after driving 137 miles today.
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Mayhew 1960 Oct. 14 Glamis area, Imperial Co., Calif. Walt Moberly, Bill Thuesdell & I left UCR at 1610 on our monthly collecting trip. We reached the Highline Canal at 1925. We night-collected between the two canals from them until 2345. We drove 62 miles night collecting, & caught the following: 4 Callonvx variegatus (20?, 2?) 1 Phrynosoma m'calli (juv.) Seen DOR were: 2 Phrynosoma m'calli 2 Callisaurus draconoides 2 Uma notata 1 Crotalus cerastes 1 Salvadora hexalopis Minimum temp tonight - 50°F. We drove 210 miles today. Oct. 15 We arose at 0715. The two traps in the dunes contained a large number of beetles. They were collected & brought back to UCR for Charles Papp. Also in these traps were: 2 dead Hadromerus kirchoffi 1 " Crotalus cerastes 3 " Uma notata (juv.) (skulls only) 3 live Uma notata (juv.) We looked for lizards from 0835 to 1420. The weather was cool & overcast, so relatively few adult lizards were active. (Uma) We saw perhaps a dozen adults besides the ones we captured. We captured today: 38 young Uma notata
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Mayhew 1960 Oct. 15 Journal 67. Glamis area, Imperial Co., Calif. 25 Uma notata (adult) [Total Uma - 63] 1 Coleoryx variegatus 3 Urosaurus graciosa Thus, 67 animals were caught today. A number of plants were in bloom in the dunes this trip: Crotton californica Helianthus tophrodia (full bloom) Eriogonum deseticola (full bloom) Palofoxia linearis (full bloom) Petalonyx thurberi (full bloom) Coldenia plicata Lots of new Coldenia & Palofoxia are just coming up. Dicoria canescens is in very good shape, but only buds are present now. Beginning about sunrise the weather became increasingly cloudy. By 0835 the sun could hardly be located, a N.W. wind 5-8 mph. blew most of the morning. The maximum temp. today was only 76° F. We checked in with Mr. Van Der Poel at the Glamis store & learned that no rain had fallen since we installed the rain gauge last month. Then we checked the trap near the Coachella Canal. Again, a large number of beetles were collected for C. Papp. 1 Hedrumo kiruntus also was collected
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Mayhew 1960 Journal 68. Oct. 15 Glamis area, Imperial Co., Calif. (for Betty Aaron). Other species of plants were in bloom here. Pectis pepposa Mentzelia affinis (?) Palosopia linearis Colerica plicata Travseria dumosea Chicory-type of plant We left the Coachella Canal at 1635. Dale Dry Lake area, San Bernardino Co., Calif. We arrived at Dale Dry Lake at 2025, after driving 172 miles today. I drove off the dirt road at our campsite, so we had to dig until 2200 to get out of the sand. The minimum temp tonight was 52°F. Oct. 16 We awoke at 0800. We checked the two traps near our campsite. A young Arizona elegans was in one trap along with numerous beetles. Nothing but beetles were in the other trap. We looked for lizards from 0930 to 1345. The weather was quite cool (maximum temp. today was 77°F.) & overcast much of the day, so relatively few adult Uma scoparia were seen. Four adults were caught & about 3 or 4 others were seen, & that's all. Lots of young Uma scoparia were seen, however. The first young Uma was seen at 0940, but no other ones were seen
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Mayhew 1960 Journal 69. Oct. 16 Dale Dry Lake area, San Bernardino Co., Calif. until 1020. Then they were rather numerous. at 0930 the weather conditions were: 80% overcast; N.E. wind - 10 to 15 mph. air temp (30") - 19.8°C. '' '' (1cm) - 20.8°C. soil surface temp - 22.8°C. 4+4 animals were captured today, as follows: 36 Uma scoparia (young) 5 Uma scoparia (adult - 2♂, 3♀) 2 Urosaurus graciosa 1 Arizona elegans (young) The 1st adult Uma scoparia was seen at 1135, Bench mark near Iron Age Mine Road - 1336 ft. elev. Dicoria conescera & Dalea emoryi are in bloom here. We left Dale Dry Lake at 1430 and stopped a few moments later at Joseph De Salliers' house to set up a rain gauge. Along the road home we saw the following species in bloom: Leptomeria arborea, Pectis papposa Stephanomeria sp. Eriogonum sp Chrysothamnus sp. Cassia armata We reached UCR at 1755 after driving 114 miles today. We drove 506 miles on the entire trip. 116 animals were caught on the trip: Uma notata - 63 Urosaurus graciosa - 5 Uma scoparia - 4+ Arizona elegans - 1 Phrynosoma nicaelli - 1 Coleonyx variegatus - 5
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Mayhew 1961 Journal 1. Jan. 17 UCR campus, Riverside Co., Calif. Eugene Roller & I spent slightly over an hour on the hills at the S.E. side of the campus. We went out to check the 9 lizard traps he has set east of the bee-hives. Two Eunectes skiltonianus and 1 Uta stansburiana were removed from traps. Two Sceloporus orcutti adults and 3 Uta stansburiana adults were noted. There have been 16 days of temperatures above 70°F., so several species are active already. We were on the hill from approximately 1310 to about 1430. Jan. 18 Walt Moberly & I arrived on the same hillside at 1000. At this time there was a S.E. wind from 0 - 3 mph. blowing, the sky was 25 % overcast. Air temp. at 30" was 23.8°C., rock surface temp. (1cm) was 26.2°C., air temp. (1cm) was 29.6°C. One Sceloporus orcutti & 2 Uta stansburiana were seen on rocks when we arrived. Between then and 1210, when we stopped looking, we captured 4 juvenile Sceloporus orcutti & 1 adult, 1 adult Sceloporus occidentalis, & 1 adult Uta stansburiana. We looked over most of the rock piles at that end of the campus, but very few adult Sceloporus orcutti were seen (3). The air temp. at 30" when we quit was 27.2°C.
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Mayhew 1961 Journal 2. Jan. 31 UCR campus, Riverside Co., Calif. Walt Moberly + I went up onto the hills at the south end of the campus to try to locate the marks we had placed on the rocks in 1958 to indicate the location of Sceloporus orcutti captures. We did this from 0930 to 1230, then from 1330 to 1630. We found all but 21 of the marks today (68 found). The weather was rather cool and overcast for much of the day. We saw 6 adult and 3 juvenile Sceloporus orcutti, two Sceloporus occidentalis adults and one Uta stansburiana adult. Walt caught an adult Lichanura melojuca on a rock. Feb. 2 Glamis area, Imperial Co., Calif. Walt Moberly, Bill Truesdall, + I left UCR at 1245 today for our monthly collecting trip (1st since October because my research grant has been spent). We stopped at Lloyd Tevis' to pick up the Sexpex hygrometer, then drove up Pines to Palma Highway to section 19 to get some pictures of Deep Canyon Station. The sky was overcast all day so no harsh shadows were present. Then we drove on to the Coachella Canal which we reached at 1928. At this time the air temp. (30') was 17.0°C. No wind was blowing but there were numerous clouds in the sky. We might- collected between the two canals and up to the big dune, but saw no live animals. One juvenile Phrynosoma oricelli was found near
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Maynew 1961 Journal 3. Feb. 2 Glamis area, Imperial Co., Calif. over on the road between the canals. In its squashed condition it measured 42 mm. S-V length. It had just been killed today, so at least some of them are active now. We quit night-collecting at 2000 and went to bed at 2330. We drove 185 miles today. The minimum temp. tonight was 56° F. Feb. 3 We arose at 0730 and ate breakfast. Then we checked the traps by the Coachella Canal. These beetles were placed in B17. Only 9 beetles were in this can (5 Eleodes, 4 one other species). a dead adult Citellus tetricaudus was also in the can. We collected on the road from 0920 to 1020. A young Phrynosoma m'calli was caught, but that was the only lizard seen. During this time the air temp. (30°) ranged from 19.0° to 20.6°C. One of the two traps at our collecting site had been pulled out of the ground and the beetles were scattered all around. We replaced the can where it belonged. The other can contained enough beetles to completely fill bottles 20, 23, 52, 58, and 59. These traps are in the dunes, less than 2 miles from the trap near the canal in the lush creosote bush scrub, but contained a much larger number of beetles. Several dozen dead beetles were still on the ground around the trap that was pulled out, so presumably it would have contained as many beetles if left undisturbed.
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{ "text": "[illegible]\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [TRANSCRIPTION_TRUNCATED_DUE_TO_LOOP]
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Mayhew 1961 Journal 4. Feb. 3 Glamis area, Imperial Co., Calif. We looked for Uma notate from 1105 to 1330, During that time we saw 6 adults, 2 immatures, 4 53 juvenals. We captured 1 adult alive (+1 dead), 2 immatures, and 23 juvenals. The dead one had had its head eaten just a short time before we found it, so we opened it up and preserved it in formelin. It had very large fat bodies. The maximum temp. today was 24.4°C, When we left Glamis at 14:55 we collected along the road all the way to the Highline Canal, which we reached at 1600. Not one lizard was : seen, but 19 Gambel quail were seen about 1/2 mile east of the Cochella Canal. A strange weevil- like beetle was caught on Ephedra californica near the Cochella Canal & placed in B4. There were gall-like substances on the branches that appeared very similar to the beetle. The air temp. on this portion of the trip ranged from 24.4° to 24.0°C. Dale Dry Lake area, San Bernardino Co., Calif. We reached Dale at 21:20, after driving 196 miles today. We weighed & measured all the immature & juvenil animals we caught. We went to bed at 23:15 shortly after the wind began to blow. The minimum temp. tonight was 48°F. Feb. 4 We arose at 09:45 because the wind is still blowing quite hard (13-16 mph), so it is quite cool. We checked both lizard traps. No lizards in either one. However, we collected 27 sand crickets, about 55-60 Eleodes, an isopod-like
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Mayhew 1961 Journal 5, Feb. 4 Dale Dry Lake area, San Bernardino Co., Calif. beetle, and a small black beetle. Later a small weevil was captured near the car. The crickets are in B43, the Elegids in B25, 33. The weevil is in B50. We looked for lizards from 1140 to 1305, then from 1355 to 1445. At the time we started looking, air temp.(30") was 18°C.; at 1cm, 20.6°C. There were no clouds, but a wind 13-16mph. was blowing from the N.W. We caught 5 juvenile Una scoparia (all we saw). We saw no adults & no tracks of any. However, the wind blew all night long, so any earlier tracks would have been eliminated. We hiked to the hills south of Dale & found a nice stream bed (dry) & what appears to be good Saromelina area. Then we drove on to Deep Canyon Desert Research Area to camp for the night. We arrived at 1945 after driving 91 miles today. Minimum temp. tonight was 50°F. Max. temp. today - 22.0°C. Feb. 5 Palm Springs area, Riverside Co., Calif. We arose at 0800 and ate breakfast. Then we drove to Rio del Sol Road, which we covered slowly, looking for reptiles. None were seen on that road nor on Ramon Road into Palm Springs. We drove to Vista Chino to our usual collecting site, but there are getting to be a great many houses around it. Vista Chino has been extended eastward about 2 miles since our last trip here in October (1960). We drove out that until we reached the new subdivision that
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Mayhew 1961 Journal 6. Feb. 5 Palm Springs area, Riverside Co., Calif. is just being established, called Palm Springs Panorama (Palm Springs Highlands is going in just south of it). We drove to the east end of P.S. Panorama, then started looking for lizards in the open country east of the road. We began looking for lizards at 1115 and continued to look until 1425. During that time we saw (and captured) 8 juvenil and 1 adult Uma inornata. All of these were found between 1115 and: 1320. No lizards were seen after 1320. During this time the wind was blowing 5-8 mph, from the N.W. There were no clouds. The air temp. (30") ranged from 20.2°C to 22.2°C during this time. We established soil sample station #3 about 100 feet east of the corner of Date Palm Drive and Tachevah Drive, which is at the present N.E. corner of the subdivision. The area we selected is outside the subdivision. We checked the trap at Windy Point on our way home. We removed 1 dead juvenil Uma inornata and 3 live juvenil Uma inornata. There were also 17 Eleodes, 2 sand crickets, 1 small scorpion, and 4 millipeds. We reached UCR at 1700 after driving 8+ miles today (556 miles for the entire trip). We caught a total of 1 Phrynosoma mi'celli, 1 Uta stansburiana, 27 Uma notata, 12 Uma inornata, 5 Uma scoparia.
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Mayhew 1961 Journal 7. Feb. 5 Palm Springs area, Riverside Co., Calif. There, we brought back 46 animals of 5 species for the entire trip. We caught all the Uma cesparia and Uma insueta that we saw, and about 1/2 of the Uma notata. The following plants were seen in bloom at these locations: Palm Springs area Isomeris arborea Oenothera deltoides Encelia farinosa Yaraea canescens Nama demissum Abronia villosa Dithyrea californica Lupinus sp. slawis area Psilophia linearis Helianthus tephrodes Dithyrea californica Astragalus piersonii Larrea diviricata Abronia villosa Croton californica Montezelia multiflora Hesperocallia undulata are becoming quite large, but are not blooming yet. The perennials appear to be in fine shape, and quite a few annuals are beginning to appear just above the soil. Dale Dry Lake area Cryptantha sp. Physalis crassifolia Hyptis emorgi The perennials in the washes look good, but the ones on the open desert don't look so good. Many annuals are beginning to show through the ground, but most of them are only a few millimeters high.
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Mayhew 1961 Journal 8. Feb. 7 UCR campus, Riverside Co., Calif. This afternoon Walt Moberly & I spent some time up on the hills. Not many lizards were active, as the air temp. didn't get above 22.4°C, while we were there (14/10 to 1530). We caught 3 Sceloporus orcutti and saw 3 more. We also saw the following: Cnemidophorus hyperythrus - 1 ad. Sceloporus occidentalis - 1 ad. Uta stansburiana - 3 ad. Feb. 21 Today Walt Moberly & I spent from 0835 to 1045 looking for lizards in A area. The wind, which had been blowing 5-8 mph. picked up to 10-15 mph, about 0950. Even though the temperature wasn't greatly different after that, relatively few animals were seen after that time. Animals seen today were: S. orcutti S. occidentalis U. stansburiana Time ad juv. ad. juv. ad 0835 1 II II 0915 1 II 0925 1 I 0940 II 1 1020 1 1040 1 (See Sceloporus orcutti notes for weather data.) Mar. 6 This afternoon Walt Moberly & I looked for lizards on campus. We began looking at 1250. The sky was completely overcast most of the day, so the
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ZEP0 med tægte b + plads M tilid robot A A i algeril af givotal ZPO at konf-2 grundl med det tekni kursist med ZEP0 Tilde konf Z-01 at ge tidning plæring kunne interogert at igvelf alermio wel plattelen, felt vif - kunigfel mit felt nifte miz del :del robot miz alerino | | | |---|---|---| | konf | ZEP0 | 1 | | II | 2190 | | | I | I | 7570 | | I | 0490 | | | I | 0501 | | | I | 10-01 | | (italo alliter af efter alerino, anugerel 2 se2) plads b + plads M tilid -anligge mit plæring miz plattelen, ingame og integril af plægvarc ame del dit. 02 er de
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Mayhew 1961 Journal 9. Mar. 6 UCR campus, Riverside Co., Calif. temperatures were rather low. At 12:50 weather conditions were: air temp (30") - 16.0°C. air temp.(1cm) - 16.6°C. rock surface temp. - 20.0°C. 100% overcast 0-3 mph wind from NW. A 1/2 grown Sceloporus orcutti was seen in the open on a rock at 13:10. An adult ? Ctenyx variigatus was captured at 13:20 when I turned over a piece of packing case lying on the ground on B area. Several Sceloporus orcutti were seen at 13:25 and at 13:40. One of them (seen at 13:40) was captured. An adult male Uta stansburiana & adult female Sceloporus orcutti were captured shortly before we left the study area at 14:00. No other animals were seen except another several Sceloporus orcutti, at 14:02, as we were leaving the area. At this time the weather conditions were: air temp.(30") - 18.4°C. air temp.(1cm) - 21.0°C. rock surf. temp. - 24.2°C. 100% overcast 0-3 mph wind from NW. We drove 2 miles south of the campus on Canyon Crest Drive. No animals were seen on any of the rocks to our old collecting site at that point. Here we saw 3 Uta stansburiana, but could only catch one. No other animals were seen the rest of the afternoon. We drove on dirt roads over many of the hillsides at
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Mayhew 1961 Journal 10. Mar. 6 UCR area, Riverside Co., Calif. this location. Occasionally we left the pick-up and climbed over rock piles without seeing a single lizard. Then we drove south to Alessandro ave., then east to Alessandro, finally N.E. to Pigeon Pass just east of Box Springs Mts. No lizards were seen on any of the rock piles or fence posts where we have captured numerous lizards in the past. We reached UCR again at 1600. No lizards were seen after 14:35. Weather conditions at 14:35, when we saw our last lizard, were as follows: air temp.(30") - 17.4°C. air temp.(1cm) - 19.2°C. soil surf. temp. - 30.2°C. 90% overcast 3-5mph wind from NW Mar. 7 I went up on the back of campus this afternoon at 14:00 to look for lizards, at this time the weather conditions were: air temp.(30") - 24.8°C. air temp.(1cm) - 27.6°C. soil surface temp. - 46.0°C. rock surface temp.-36.8°C. no overcast; 3-5mph breeze from NW. Many hillsides were searched with the aid of binoculars, but almost no lizards were seen this afternoon. The temperature is considerably higher than yesterday, but still few animals are out - these are mostly Uta stansburiana. The times at which lizards were seen,
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Mayhew 1961 Journal II. Mar. 7 UCR campus, Riverside Co., Calif, this afternoon are: Time Species 14:10 ad. ? Sceloporus orcutti 1420 3 ad. Uta stansburiana 1440 2 " " 1450 1 " " 1450 1 juv. Sceloporus orcutti 14:55 1 ad. Sceloporus occidentalis 1520 1 " " I left the area at 1525. By then the air temp.(30°) was 21.0°C. Mar. 13 This morning I walked over the east portion of the campus looking for reptiles. I began at 10:30, at which time weather conditions were as follows: air temp (30°)-21.8°C. (1cm) -25.4°C. soil-44.4°C. O overcast, 0-3 mph breeze from N. During the morning I captured 10 Sceloporus occidentalis & 1 Uta stansburiana. When I quit at 1235, the air temp (30°) was 24.2°, (1cm)-30.0°; soil - 50+°. 2 mi. N.W. of Sunnymead, Riverside Co., Calif. This afternoon Walt Mobley & I went to the east side of Box Springs Mts. We arrived at 13:50, at which time the weather conditions were as follows: air temp (30°)-24.8°C. (1cm)-29.5°C. soil-42.0°C. O overcast, 3-5 mph breeze from NW. We saw 3 Crotalus ruber during the afternoon,
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Mayhew 1961 Journal 12. Mar. 13 2 mi. N. W. of Sunny mead, Riverside Co., Calif. but we didn't bother them. all 3 were seen within 400 yards of Walt's pick-up. We captured 2 juvenil Sceloporus oretti as well as 7 adults of this species. We also caught 4 Uta stansburiana and 3 Sceloporus occidentalis. We quit at 1700. By then the sun was no longer shining on the rocks on that side of the mountains. Mar. 16 Palm Springs, Riverside Co., Calif. Walt Moberly & I left UCR in the geology carry-all at 0835. We checked the trap at Windy Point and found it completely filled with sand. We removed the trap & took it with us. We reached Palm Springs Panorama at 1000. At that time weather conditions were: air temp.(30") - 18.8°C, (1cm) - 22.4°C., soil surface - 36.2°C., no overcast, 36% rel. humidity, 12-15 mph. wind from NW. A couple of animals were found immediately (ad. & & ad. ♀). We walked over a mile, however, without seeing any more. As soon as we began to drive down the road again, we found 4 adults within the first 100 yards. For the rest of the day we drove the roads, about 10-15 mph., looking for lizards. In this way we were able to capture 8 adult ♂, 3 adult ♀, 5 juveniles. No adult animals were seen after 1400. The juveniles were weighed, measured, & released.
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Mayhew 1961 Journal 13. Mar. 16 Palm Springs, Riverside Co., Calif. Nothing but Uma insceta was seen today, although Lloyd Tevis told me this afternoon he saw a Dipsoaurus dorsalis near the laboratory at Deep Canyon. We stopped looking for lizards at 1430. Lloyd showed us how to get to the dunes north of Palm Desert afterwards. They look like the Yuma Dunes except they are white sand. If anything, the dunes themselves are more barren than the Yuma Dunes, but Atriplex is thick up to the dunes. They appear to be about one mile long and somewhat less than 1/2 mile wide. One of the owners of the dunes was waiting to talk to us when we came out of the dunes. He seems to be anxious to sell his share. His name is Dick DuBois. His partner, George A. Bradley, owns the rest of the dunes. We returned to UCR at 1900 after driving 168 miles today. Uma insceta juvenals #1 o 52 mm. 4.2 grams #2 o 55 " 5.1 " #3 ♀ 59 " 5.8 " #4 o 53 " 5.1 " #5 o 54 " 6.0 " We saw only large adults or juvenals today - no intermediate animals seemed to be out.
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Mayhew 1961 Journal 14. Mar. 18 UCR campus, Riverside Ca., Calif. This morning the field zoology class had a campus trip. We looked for birds primarily - at least during the first half of the trip. Then lizards began to get active. We caught a total of 35 lizards of 3 species, as follows: 9 Sceloporus occidentalis 6 Uta stansburiana 20 Cnemidophorus hyperythrus This was the first time I had ever moosed a C. hyperythrus. They were extremely abundant on the slopes containing Encelia farinosa. As this is the driest year on record for Riverside to date (2.49") no grass has come up & Encelia hasn't leafed out. Consequently, these animals don't have the cover to protect them that they normally do during their active periods. Thus, they were relatively easy to capture. They seem to refuse to go into a hole, but keep moving about on the surface. None of them were seen after 1310 until we quit looking at 1335. They seemed to be much more abundant than Uta stansburiana in that habitat, a total of 28 species of animals were seen on this trip, which lasted from 0820 to 1340. Very few animals were still active when we quit for the day.
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Mayhew 1961 Mar. 20 Journal 15. UCR campus, Riverside Co., Calif. This afternoon Walt Moberly & I looked for lizards on campus. We began at 1330. At that time the weather conditions were: air temp.(30")-23.8°C. (1cm)-27.0°C. soil surface temp.-43.6°C, rock surface temp. - 42.8°C, 0-3 mph wind from N.E., 50% overcast (thin). We looked for Sceloporus orcutti from 1330 to 1430. Only 4 animals of this species were seen (1 ad. ♀, 3 juveniles), 3 of which were captured (ad♀ & 2 juveniles). at 1430 we left the rocky area & started looking for Crepidophorus hyperythus several hundred yards east of Welber Hall. Only one animal of this species was seen (about 1500), and it eluded capture. However, 7 Uta stansburiana (5 ♂, 2 ♀) and 1 Sceloporus occidentalis were captured before we quit looking at 1530. One Eumeces skiltonianus was seen while we were looking for Sceloporus orcutti. At 1530 the weather conditions were: air temp.(30")-22.2°C. (1cm)-24.5°C.soil temp.-33.0°C. wind 5-8 mph from NE, 75% overcast (thin). We looked in locations where numerous S. orcutti & C. hyperythus were seen earlier this year, so I feel quite certain they simply weren't active at this time of day today. Numerous Uta stansburiana were seen, but relatively few Sceloporus occidentalis.
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Mayhew 1961 Journal Mar. 21 UCR campus, Riverside Co., Calif. This morning at 0930 I began looking for lizards on the east side of the campus. At that time weather conditions were: air temp.(30")-17.4°C., (1cm)-19.6°C., soil surface temp.-32.0°C., 0-3 mph breeze from N, 0 overcast. I looked in Cnemidophorus hyperythrus habitat from 0955 to 1008 without seeing any signs of them. at 1045 I drove up to the area around ag. Extension Bldg.(old Director's Home for C.E.S, I saw the first C. hyperythrus today at 1125; a little later I saw 3 of them feeding under one bush, I was able to catch only one of the 4 I saw today. I had another in the air 3 times, but it escaped from the noose each time. I catched all the Sceloporus orcutti I saw this morning, but several Sceloporus occidentalis and Uta stansburiana escaped. Fifteen animals were caught, as follows: 1 Cnemidophorus hyperythrus (ad. ♂) 8 Sceloporus occidentalis (7 ♂, 1♀) 4 Sceloporus orcutti (1 ad.♀, 1 juv. ♀, 2 ad.♂) 2 Uta stansburiana (1 ♂, 1♀) I returned to the lab. at 1330, at that time the air temp.(30") was 22.0°C. Mar. 23 2 mi. S. of UCR, Riverside Co., Calif. This morning Walt Moberly & I drove through the coastal sage scrub areas on Canyon Crest Drive.
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Mayhew 1961 Journal 17. Mar. 23 2 mi. S. of UCR, Riverside Co., Calif. We reached the area at 1015, since fog was fairly thick until about 1000. The sun didn't break through until 1015, however. At this time weather conditions were: air temp. (30") - 14.4°C., (1cm) - 20.0°C., soil surf. temp - 33.0°C. 0 wind, 95 % overcast. Between then and 1100, when the fog rolled in again, we caught 6 animals (4 saw 1 juv. S. orcutti): + Sceloporus occidentalis (3 ♂, 1 ♀) 1 Sceloporus orcutti (ad ♀) 1 Uta stansburiana (ad ♂) at that time a 5-8 mph wind from the west arose & the air temp. (30") dropped to 10.8°C. No animals were seen anywhere from then until we returned to UCR at 1130. Mar. 26 Glamis area, Imperial Co., Calif. Dave Young, Ed Eberle, & I left UCR at 0830 today. We stopped on the east edge of Mecca, Riverside Co., Calif. for a few minutes to see if Uma inornata occurred in the sandy areas there. None were seen, but the following animals were captured while we were there: + Diposaurus dorsalis (juv.) 1 Crotaphytus wislizeni (ad ♀) 1 Uta stansburiana (ad ♂) 1 Callisaurus draconoides (ad ♂) at 1200 we drove on toward Glamis.
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Mayhew 1961 Journal 18, Mar. 26 Glamis area, Imperial Co., Calif. We looked for animals along the road between the two canals between 1415 and 1600. We caught 2 Phrynosoma unicolori + salvaged one dead one from the road. In all, we found 7 run over on the road between the canals. At 1600 we began to look for Uma notata in the dunes. We saw several, but most of them were very "spooky". We finally succeeded in capturing 1 ad f., and 3 immature Uma notata + one ad. or Urosaurus gracilis. One of our traps in the dunes has disappeared, apparently having been carried away by someone. The other traps in the dune was filled to the top with sand. We began night collecting at 1835. Between then and 2145, when we quit, we caught 2 ad or Coleonyx variegatus + found one that had been run over by a car. No other animals were seen. We drove 50 miles night collecting between the 2 canals. We drove a total of 239 miles today. The maximum temp. today was 75°F. The minimum temp. tonight was 50.0°F. We collected a total of 14 animals of 8 species today. Mar. 27 We arose at 0830 and ate breakfast. At that time the wind was blowing 5-10 mph. from the south, with gusts to 18 mph. Nevertheless, we began looking for lizards at 0945. Young lizards were seen immediately. No adults (Uma notata) were seen until 1020.
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Mayhew 1961 Journal 19. Mar, 27 Glamis area, Imperial Co., Calif. We looked for lizards until 1400. By that time we had 29 young Uma notata (3 caught last evening) and 10 adult Uma notata as well as 7 Urosaurus graciosa. These were the only species of lizards seen today. The wind became much stronger later in the afternoon (15-18 mph). After collecting a soil sample, we drove to Glamis. No rain has fallen since last trip. At 1535 we began looking for Phymorus micelli between the canals, ceasing our looking at 1600. No sign could be found of this species — either dead or alive. It was approximately the same time of day we found them yesterday, but I think the wind kept them from their perches along the road. None seemed to have been run over by cars today either. We then drove on to Dale Dry Lake, arriving at 1945. The maximum temp. today was 82°F. The minimum tonight was 52°F. We drove 222 miles today. Two dead Pituophis caterifer were seen on the road today — one 4 mi. north of Brawley & one in Niland. Mar. 28 Dale Dry Lake area, San Bernardino Co., Calif. We arose at 0615 because it began to sprinkle on us. We checked the lizard traps, but nothing except a few dead beetles were found. I used a shovel
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Mayhew 1961 Journal 20. Mar. 28 Dale Dry Lake area, San Bernardino Co., Calif. to check for soil moisture. No moisture could be found down to 26 inches. It began raining harder, + it appeared that the storm would last most of the day, so we headed for home at 0715. We reached UCR at 0945, after driving 105 miles today (we drove 566 miles on the entire trip). April 7 Dale Dry Lake area, San Bernardino Co., Calif. Walt Mobley, Fritz Zebot + I left UCR at 1730, planning to spend the night near Palm Springs. However, the wind was blowing so hard that we decided to spend the night at Dale. On the way we might collected on the old highway between Garnet & 1000 Palms, then on Dillon Road. One Arizona elegans was all we saw. April 8 We arose at 0645. We checked our 2 traps for lizards. One trap had most of the sand blown away from its sides. However, 1 dead + 1 live Citellus tereticaudus were in it. The dead one was minus a head. The other trap contained 3 juvenile Uma scoparia as well as several beetles including one Troglodoma costatus mayhewi, several sand cricketa + Eleodes armatus. We
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Mayhew 1961 Journal 21. April 8 Dale Dry Lake, San Bernardino Co., Calif. Started looking for lizards at 0830. Lots of young animals were seen — we captured 45 of them. 32 of these were weighed, measured, toe-clipped & released near the Iron Age Mine Road. The remainder were brought back to the laboratory. Very few adults were seen. We caught 3 ad ? + 4 at ?, but these were about the only adults we saw all day. We stopped looking at 1315. Then we drove to the Palm Springs area. We drove the old highway & Dillon Road again tonight, but only saw 2 Crotalus cerastes. We spent the night at Deep Canyon Desert Research Station. April 9 Palm Springs area, Riverside Co., Calif. We began looking for lizards at 0920 on the dunes north of Palm Desert. Several animals were seen, but were impossible to catch under the atriplex. We then drove to Palm Springs Panorama & Palm Springs Highlands to collect along their roads. Several large animals were seen & collected, but relatively few young animals were seen. Two Crotalus cerastes (assumed to be a pair) were seen under the same bush (Larrea) at 1315. We stopped collecting at 1600 and returned to
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Mayhew 1961 Journal 22. April 9 Palm Springs area, Riverside Co., Calif. UCR, which we reached at 1810. We drove 412 miles on the trip. April 11 Mt. Rubidoux, Riverside, Riverside Co., Calif. Today Walt Mobley & I worked this area for April's Sceloporus orcutti sample. We reached the area at 0930, and collected until 1505. We were able to collect 36 animals today, 21 of which were Sceloporus orcutti. Uta stansburiana (8), Sceloporus occidentalis (5), and Cnemidophorus hypenrythus (2) made up the remainder of the animals captured. April 14 Salton Sea area, Riverside & Imperial Cos, Calif. The field zoology class (16 students) & I left UCR at 1320 for the week-end. We reached Mecca at 1500 and began to look for reptiles 2 miles east of Mecca. We caught 1 Urosaurus graciosa, 1 Ctenosaura draconides, 1 Uta stansburiana, & 1 Phrynosoma platyphora before we left at 1615. We spent the night near Harper Well. I missed the turn to the well in the dark, so we camped about 1 mile S.E. of the well. April 15 We hiked to San Felipe Creek this morning. Very few animals of any kind were seen. (No Phainopepla, which we often see here.) We drove to Power Lake & ate lunch.
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"til å observere en av gruppe ml og 0131 to kvinner av liknende alder, gitt ett om ulike livsveier. :2) observere, skrive med TM at historien er + uleie til et resultat ittuare mangfoldet 2 steg opp i en sporene om at kvinner. og delene av 2021 littvis tilbake hos større 15 ubestemt alminnelig treller at endret seg ittuare mangfoldet 2 men hos (2) alltid uavhengig av (3) uten (4) unntakelig avleggerinn alminnelig til forvisning til og hentgeta fillo 20 kvise Ml + observere en av 2021 notte2 +1 (attributt d)) endre, yppelig bliet at endret seg om 2021 to 932 kjøl 6 og hos 2021 to 220M kvinne (4) trenger ikke i alliten og skal at mannebord 1 ligges (4) være M for i, alminnelig mannlig. i kvinne endret seg 2021 til kjøl av endre trenger ikke 2021 to kjøl av endre kjønn (4) alltid ubestemt) alt at det er alt og flere alt at endre alt tilt om 32 steg 1 tirke bryter en grunnene til å gjøre noe at kalle (4) 21. or ikke, bare for å alminnelig ved muligheten (4) men ikke for den samme ubestemthet og) endret seg i alt endre M av endre (4)
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Mayhew 1961 Journal 23. April 15 Glamis area, Imperial Co., Calif. after lunch we looked at birds on & around the lake. They were not nearly as abundant as in the past, after this we drove on toward Glamis, collecting along the road as we drove. We picked up 5 Phrynosoma micellii between the Highline & Coachella Canals and saw 4 dead ones on the road. One car patrolled the road while the rest ate, then the other cars began night collecting also. At least one car was on the road somewhere between the Ogilby-Blythe road and the Highline Canal from 1640 to 0035. No animals were seen on the road between 1700 and 1855. Then Celenyze variegatus became quite common until about 2200. Only a few were seen after that time. We saw 2 dead on the road and collected 46 live ones. April 16 We arose at 0645 & ate breakfast. We began looking for lizards (1/2 the class in the dunes, the other 1/2 on the road in the pick-up) at 0830 and continued until 1300. After eating lunch in Glamis, we drove toward Brawley, collecting 2 Dipsoauma dorsalis, 1 Crotaphytus wistigeni, & 1 Phrynosoma micelli along the way. We returned to UCR via Warner's Hot Springs, reaching
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Mayhew 1961 Journal 24. April 16 Colorado Desert, Riverside & Imperial Cos., Calif. UCR at 2100. We drove 4741 during the trip. The following animals were seen on the trip: Cypinodor macularius Mockingbird Rough-winged swallow Western Kingbird Ring-billed gull House finch Forster's tern House sparrow Black tern Prairie falcon Fulvora tree duck mourning dove Hudsonian curlew Gambel quail Baldpate Roadrunner Burrowing owl Brewer's blackbird Black-necked stilt Tree swallow Violet-green swallow Toggerhead shrike Say's phoebe Turkey vulture Sphairium sp. Double-crested Cormorant Cypivus coapis Yellow-headed blackbird Iotalurus sp. Coot Uma notata Kingfisher Crstalus cerastes Pied-billed grebe Chionactis occipitalis Bittern Urocarnus graciosa Gull-billed tern Ute stavshinara Eared grebe Callisaurus draconoides Western meadowlark Cnemidophorus tigris Sparrow hawk Phrynosoma platyhinra Raven " " m'calli Lesser nighthawk Citellus toreticaudus Red-winged blackbird Diposaurus dorsalis Great horned owl Lepus californicus Lawrence goldfinch Rana pipiens (larval)
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Mayhew 1961 Journal 25. April 16 Colorado Desert, Riverside & Imperial Cos., Calif. Sylvilagus auduboni Dipodomys deserti Coleonyx variegatus Vulpes macrotis Crotaphytus wislizeni Red-shafted flicker This makes a total of 6[?] species seen on this trip. Reptiles collected on this trip were: Callisaurus draconoides - 4 Cnemidophorus tigris - 1 Coleonyx variegatus - 46 Crotaphytus wislizeni - 2 Dipsosaurus dorsalis - 18 Phrynosoma platyrhinos - 1 Phrynosoma m'callii - 12 (4 dead ones seen) Uma notata - 73 Urosaurus gracilis - 9 Uta stansburiana - 3 Chionactis occipitalis - 1 11 species 170 animals Many of these will be toe-clipped, weighed, measured, & released at the collecting site next week-end. May 5 Mojave Desert, San Bernardino Co., Calif. The field zoology class left UCR at 1200, headed for Dale Dry Lake. We drove the new 1961 International 4-wheel drive Travelall for the first time. We tried out the 4-wheel drive by going into the hills south of Dale. The vehicles have lots of power, but these tires aren't any good in sand. We finally needed
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Mayhew 1961 Journal 26. May 5 Mojave Desert, San Bernardino Co., Calif. ou destination after much effort through the sandy stretches. We were too late to find any reptiles active in the rocks of the hills. We installed 12 more 5-gallon can lizard traps at Dale (5 near the campsite, 7 near the collecting site at Iron Age Mine Road). These were installed at sundown. May 6 It was rather cool this morning, so lizards weren't active very early. Several beetles, a couple of scorpions, + spiders were taken from our traps. Half a dozen beetles were taken from each of the traps we set last night - but no lizards. Large numbers of lizards became active during the morning. In fact, they were so numerous, the class caught the following: Uma scoparia - 1+9 Diposaurus dorsalis -32 Crotaphytus widizeni -1 Crotalus cerastes - 3 That afternoon we drove into the Pinto Mts. looking for animals. We caught the only 2 Sauromalus obesus we saw (1 adult, 1 juv.). Then we proceeded to Stoddard Valley by way of Old Woman Springs + Lucerne Valley. We reached camp after dark, + found a strong, cold
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Mayhew 1961 Journal 27. May 6 Mojave Desert, San Bernardino Co., Calif. wind blowing. It was so disagreeable we slept inside the vehicles. Minimum temp. tonight was 45° F. May 7 The wind subsided this morning, so we were able to find some reptiles. However, it remained rather cool, so relatively few were seen (no Sauromalus, for example). One Gopherus agassizi that was marked last year (#34) was found today. It now measures 226 mm. (notch to notch on plastron). One other tortoise was marked & a young one was returned to the laboratory for growth data. We collected the following animals at this site: Gopherus agassizi - 1 Callisaurus draconoides - 5 Cnemidophorus tigris - 4 Urosaurus gracilis - 1 Uta stansburiana - 4 Sceloporus magister - 3 Xantusia vigilia - 14 On the way home we collected 3 in a small stand of Joshua trees about 2 miles S. E. of Stoddard Well. We reached UCR at 1930 after driving 361 miles on the entire trip. The following animals were seen on the trip: Crotaphytus collaris Xantusia vigilia " wislizeni Sceloporus magister Phrynosoma platyrrhina Uta scoparia
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Mayhew 1961 Journal 28. May 7 Mojave Desert, San Bernardino Co., Calif. Cophosoma agassizi Sauromalus obesus Callisaurus draconoides Crotalus cerastes Dipsosaurus dorsalis Urosaurus gracilis Western tanager Uta stansburiana Western kingbird Lepus californicus Loggerhead shrike Citellus leucurus Crow House sparrow Brewer's blackbird White-throated swift Tree swallow Barn swallow Deeote thrasher Say's phoebe Pileolated warbler Red-tailed hawk Morning dove Sparrow hawk at total of 221 specimens of 11 species were collected on the trip. May 11 Dale Dry Lake area, San Bernardino Co., Calif. at 0755 I left UCR to return some of the animals caught last week end by the field zoology class. These animals have been weighted, measured (S-v length), & toe-clipped for marking. 14 young Dipsosaurus dorsalis, 109 young Uta scoparia, & 17 adult Uta scoparia were released. On the way out I drove Vanier Road between Garnet & 1000 Palma, looking for animals. However, the wind was blowing so hard (20-30 mph) that no animals were seen for some time. I drove this road from 0845 to 1025 without catching a thing. A few Uta insomata were all that were seen. (Riverside Co.)
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Mayhew 1961 Journal 29. May 11 Dale Dry Lake area, San Bernardino Co., Calif. The wind was blowing so hard it was impossible to keep a noose open to catch them. Several large adults were seen as well as young ones. all of them were in the sun in the lee of a bush - usually on the trailer of sand on the lee side. The first one was seen at 0920 when the air temp (30°) was 25.2°C. & the wind was still blowing 10-15 mph. from the N.W. I drove 27 miles on Varner Road. After the animals were released at Dale, I checked the 7 new traps near Iron Age Mine Road. & young Uma scoparia were trapped, along with numerous beetles & 4 scorpions. The lizards were toe-clipped measured, & released, as well as 2 that were noosed: # length (mm) sex 150 64 ♀ 151 91 ♀ trapped { 152 51 ♀ 153 53 ♀ 154 51 ♀ 155 52 ♀ I left Dale at 1355, reaching UCR at 1600, after a trip of 284 miles. The wind was still blowing near Garnet, so I didn't look at Varner Road on the way home.
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Mayhew 1961 Journal 30. May 13 Glamis area, Imperial Co., Calif. Walt Moberly, Bob Lasiewski, & I left UCR at 1045 for the dunes. We ran out of gas between Cabezon & Whitewater because no one had filled the vehicle at the garage. This slowed us down about one hour. Nevertheless, we reached the Highline Canal at 1505 and began looking for lizards. We found 4 dead Phynosoma m'calli & 2 live ones as we drove between the canals (one pass). Then we collected Uma notata & Urosaurus graciosa in the dunes until nearly sundown. After eating supper in Glamis, we began night collecting at 1945. We drove over to the Highline Canal, back to Glamis, then to the top of the big dune (36 miles). We collected 9 Coleonyx variegatus in that distance. However, later, 3 San Diego State students told us they collected 8 from 2230 to 2330 in about 1/2 the distance on the canal road. We quit night collecting at 2215. Animals caught today: Uma notata - 24 Phynosoma m'calli - 2 Crotaphytus wislizeni - 1 Calisaurus drac. - 2 Coleonyx variegatus - 9 Urosaurus graciosa - 8 Total - 46
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Mayhew 1961 Journal 31. May 14 Glamis area, Imperial Co., Calif. We arose at 0615 and ate breakfast. Then we looked for lizards in the dunes from 0755 to 1150. Lots of Urosaurus graciosa were seen today. It seemed that at least one was seen on every perennial plant that was large enough to shelter such a lizard. After 1200 we drove along the road for about 5 miles looking for other species of lizards. We found Callisaurus draconoides, Diposaurus dorsalis, Phrynosoma m'calli, Crotaphytus wislizeni, and Urosaurus graciosa. After gathering our soil sample in the dunes, we checked the trap at the Coachella Canal. (The trap remaining in the dunes had been pulled out & left on the sand). In it I found an adult Chionactis occipitalis, a Crepidophorus tigris, and about a dozen beetles. The Chionactis was released. We left the canal at 1600, reaching UCR at 2000. We drove 370 miles on the trip. We caught a total of 137 animals of 9 species. Of this number, Chionactis was released, as were 4+6 Uma notata that we weighed, measured, & toe-clipped (23 on 5/13 and 23 on 5/14). So, we brought home the following:
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Mayhew 1961 Journal 32. May 14 Glamis area, Imperial Co., Calif. Uma notata - 31 (15 ♂, 16 ♀) Urosaurus graciosa - 34 (21 ♂, 13 ♀) Diposaurus dorsalis - 6 (2 ♂, 2 ♀, 2 im) Phrynosoma m'calli - 4 (3 ♂, 1 ♀) Crotaphytus wislizeni - 2 (1 ♂, 1 ♀) Callisaurus draconoides - 3 (1 ♂, 1 ♀, 1 im. ) Coleonyx variegatus - 9 (7 ♂, 2 ♀) Cnemidophorus tigris - 1 (♂) Total 90 May 18 Palm Springs area, Riverside Co., Calif. Walter Moberly & I left UCR at 0735 for our monthly sample of Uma notata. We reached the collecting area in Palm Springs at 0900. At 0915 we were already finding adult Diposaurus dorsalis active, but few Uma (except small ones). We collected through Palm Springs Panorama & P.S. Highlands with little success with Uma, but with fair success with Diposaurus. At 1230 we drove down Ramon Road to 1000 Palms, then along Varner Road to "Grandaddy Dune" 5 mi. N.W. of 1000 Palms. We gathered a soil sample here, then began to poke under lancea with our books to stir out some Uma. We were fairly successful with this operation. We caught 7 adult Uma in this manner, as well as 3 young.
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Mayhew 1961 Journal 33. May 18 Palm Springs area, Riverside Co., Calif. We left "Granddaddy Dune" at 1530 and drove slowly down Varner Road toward Garnet. By this time Ima were beginning to be seen on the sand in the lee of bushes, so we cought several small ones & 1 large or along the road. We reached UCR at 1725 after a 124 mile trip today. Some of the smallest Diposaurus I have seen were captured today (3 of them 3 mi. N.W. of 1000 Palms), I don't know why they are still so small. The entire area covered today is extremely dry. Most of the perennials are in wilt. Some of the animals caught were quite thin, but others caught at the same location were nice & fat. We didn't see any adult ? Ima for a long time today. If we hadn't dug some of them out of the sand at the big dune, we'd have seen only one (which we caught). Adult animals caught today: Ima inornata - 14 (9?, 5?) Diposaurus dorsalis - 14 Crotaphytus wislizeni - 1 (?) Callisaurus draconoides - 1 (?) Cnemidophorus tigris - 1 (?) Urosaurus graciosa - 1 (?) Total - 32 Young caught: Ima - 15 Diposaurus - 8 Total - 23 56 animals were caught today. (Diposaurus was given away.)
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Mayhew 1961 Journal 34. June 1 Laguna Mts., San Diego Co., Calif. Walter Moberly, Steven Peterson & I left UCR at 1700 in International Travelall # 383, headed for Mexico & Arizona for a week. We dropped some marked Uma insuata & Diposaurus dorsalis at Granddaddy Dune near 10:00 Palms, then drove up the Palms to Pinto Highway to the Anza turn-off. We saw a relatively young (~24") Cristalus viridis on the road near Anza shortly after dark. We chased it off the road, then drove to the Laguna Mts., where we camped for the night. We drove 170 miles today. June 2 Northern Baja California, Mexico The next morning we crossed into Baja Calif. at Tecate, then drove east to Rumorosa. We drove south about 12 miles to a campsite near the Tete de la India where we had seen Sceloporus orcutti previously. The weather was relatively cool, so we didn't see any S. orcutti this afternoon. However, we were able to capture 27 Xantusia hedwawi by prying off granite flakes. Almost every flake had a lizard under it. Some flakes contained 2 lizards. A couple of flakes revealed 2 to 5 dead lizards beneath them. It looked as if some
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Mayhew 1961 Journal 35. June 2 Northern Baja California, Mexico other animal (spider?) had collected them. Two Uta meernsi also were collected from beneath granite flakes. That night the zipper on my sleeping bag broke, so I slept in the front seat of the Trawlall. Drove 100 mi. today. June 3 This morning was quite warm, so we really looked for Sceloporus orcutti in cement from 0800 to 0930. During that time the air temp. (30°) ranged from 21.0 to 23.5°C. We saw 6 animals but were unable to capture any. I have never seen such spooky animals. They would disappear over a rock while we were still over a hundred feet away. In the Rivside area they move from crevice to crevice in the same rock pile until they get in one that is too deep for us to work, or until we capture the animal. At this site, however, they would run over 2 or 3 rock piles until we completely lost them from view. I've never tried to capture more exasperating lizards in my life. As we drove the 12 miles back to Remorosa after 0930, we saw 7 adult + 2 juvenil S. orcutti. We were able to capture 1 adult or, but this took us a considerable period of time.
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Mayhew 1961 Journal 36. June 3 Northern Baja California, Mexico These animals were not nearly as abundant as I had expected. Even during this very dry year in Riverside we see as many in a given locality as we did near Rumorosa. We saw only 3 more adults of this species as we drove from Rumorosa to Mexicali. We turned south at Mexicali and headed for the Laguna Salada on Highway 5. We stopped at the sand dunes at Los Medanos (88 kilometers south of Mexicali) to look for Uma notata. It was getting rather late in the afternoon so only a very few Uma were seen. The wind was blowing fairly hard, so we couldn't tell from tracks in the sand the relative abundance of lizards. Then we drove further south to La Ventana (18 miles south of Los Medanos) where we camped in a week 3 miles to the west. We drove 151 miles today. [55 miles] June 4 We returned to Los Medanos this morning to look for Uma notata. We looked from 0800 to 0930. The air temp. (30") was 31.0 C when we began looking. Few animals of any kind were seen and almost as few tracks. Although this location looks reasonably lush
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Mayhew 1961 Journal 37. June 4 Northern Baja California, Mexico for a sandy habitat, there seem to be relatively few animals living here. The dominant perennials are Prosopis juliflora, Larrea divaricata, Ephedra sp. with such plants as Coldenia plicata, etc. forming an understory. The dominants all looked in good shape with lots of leaves. However, animals + tracks were not at all plentiful. We captured 2 Uma notata, 1 Crepidophorus tigris, & 1 Diposaurus dorsalis. We also saw 4 other Uma, 1 Diposaurus, & 1 Crepidophorus. At 0930 we drove north toward Mexicali until we reached La Puerta. There we turned east to cross the Colorado River near Kilometro 57 and Riito. Northern Sonora, Mexico We drove through farmland until we reached San Luis. Then we drove east on Highway 2 into the Gran Desierto. Fourteen miles east of San Luis we tried to leave the highway and drive south to some sand dunes that looked like the Kelso Dunes in the Mojave Desert. However, about a mile from the highway the sand became so soft under the heavy load we were carrying that the vehicle became stuck even in 4-wheel drive. We
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Mayhew 1961 June 14 Journal 38. Northern Sonora, Mexico still are not sure of this vehicle's ability in sand, & since it was an awfully long ways to help, we decided we wouldn't try to go any further. We let air out of the tires down to 22 pounds in each rear tire) and churned our way back to the highway. Then we continued east through more of the Golden Desierto. That part of it certainly looks dry now and gives the appearance of being quite dry most of the time. The Larrea divaricata is small, widely spaced, and lacks many leaves. A few animals were seen and a few tracks when we stopped to look, but they were not at all numerous. We caught 3 Callisaurus draconoides, 2 Crotalus graciosa at one of the stops (26 mi. east of San Luis). We passed on building that was a bus stop about 50 miles east of San Luis & one building that was labelled El Puerto 66 miles east of San Luis. These were the only buildings we saw between San Luis & our turn-around 17 miles east of San Luis. At that point we decided to drive out to some dunes about 1/2 mile off the highway.
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Mayhew 1961 Journal 39. June 4 Northern Sonora, Mexico Everything went fine until Walt killed the engine. Then the starter wouldn't budge. We tried to rock it loose without success. Finally, after much digging, pushing, & crossing, we jacked up the right rear wheel & spun it to act like a crank. The motor started & we lost no time getting back onto the pavement. We stopped by some sand next to the road & caught 5 Uma notata about sundown. After sundown we night collected the road back to San Luis (77 miles). We began looking for animals at 1930 and looked until 2345. We caught 8 Colonyx variegatus and 1 Trimorphodon lambda. We also saw 4 Crotalus cerastes & 1 Crotalus scutulatus (DOR). We crossed the border into Arizona at San Luis, then camped about 10 miles east of Yuma. We drove 288 miles today. June 5 Southwestern Arizona We drove east from our campsite on Highway 80 until we reached the Gila Mts. We stopped to look for lizards along the road. We were able to capture 3 Sauromalus obesus, 2 Crotaphytus collaris & 1 Uta stansburiana (all the animals we
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Mayhew 1961 Journal 40. June 5 Southwestern Arizona saw) in these mountains. During the hot part of the day we drove to Sila Bend, then south on state highway 85 through Ajo to Organ Pipe National Monument. We washed up & ate in Organ Pipe while we were waiting for it to get dark. Then we drove to Lukeville & began night collecting. Between Lukeville and Sita Bend we collected 1 Chionactis palaiostria, 1 Phyllorhynchus decurtatus, 1 Phyllorhynchus crowni, 2 Coleonyx variegatus & salvaged 1 Phrynosoma solare that was DOR. We collected from 2030 to 0030 and drove 84 miles in the process. We camped 3 miles south of Sita Bend. We drove 273 miles today. June 6 We drove north of Sita Bend this morning looking for lizards. We saw several Callisaurus draconoides & Dipsosaurus dorsalis, but they were the spookiest lizards of these species I have ever seen. The Dipsosaurus in particular were much different in this respect than the ones we find in southern Calif. They would go down a hole long before we were near enough to capture them. I was quite surprised with their reaction. We drove north to Arlington, then west
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Mayhew 1961 Journal 4/1. June 6 Southwestern Arizona over fairly good dirt road to Agua Caliente, then south back onto Highway 80 at Sentinel. Almost no lizards were seen in this entire stretch. We returned to Yuma, then crossed back into California about 2130. Southeastern Imperial Co., Calif. We night collected from Winterhaven, through BARD, to Laguna Dam. This is all agricultural land. We collected 2 Bufo woodhousii & 1 Bufo alvarius, but saw nothing else. We camped 7 miles south of Picacho Camp, after night collecting over 94 miles of road from 1905 to 2315 (some in Arizona). We drove 277 miles today. June 7 We drove to Picacho Camp, along the shore of the Colorado River, this morning. Then we returned to Winterhaven. The country to & from Picacho was quite pretty, but yielded few animals (we caught 3 Sceloporus obesus & 1 Uta stansburiana, & saw 1 Crotaphytus collaris). From Winterhaven we drove through Ogilby to Elamio, where we ate lunch, then began to look for lizards in & near the Algodones Dunes. I started looking along the road at 1430 while Walt & Steve had a swim in the Coachella Canal. At this time
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Maynew 1961 Journal 42. June 7 5 mi. W. of Glamis, Imperial Co., Calif. the air temp (30") was 36.2°C. and the black-top at the edge of the pavement was 61.0°C. Three Callisaurus draconoides were seen on the black-top between 1455 and 1500. At 1545 a Phrynosoma m'calli was seen on the road. at that time the air temp. (30") was 36.4°C., the temp. of the black-top was 52.5°C. The animal was quite active and it escaped when a large gravel truck passed close by. However, 3 live P. m'calli were captured during the afternoon, & 4 dead ones were seen on the road. Two of these were in good enough condition to be saved. Steve & Walt looked for Uma notate in the dunes from 1645 until sundown (1800). They were able to capture about 20, most of which were young ones, for growth data. We began night collecting at 1950. We made one round trip from the top of the big dune to Glamis, through to the Highline Canal, back to Glamis, then to the top of the big dune (2.8 miles). This took us until 2235, and during this time we caught 22 Coleonyx variegatus & 1 Chionactis occipitalis (saw 2 Chionactis DOR). We found them (Coleonyx) considerably more abundant this month than last. We drove 136 miles today.
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Mayhew 1961 Journal 43. June 8 5 mi. W. of Glamis, Imperial Co., Calif. Walt & Steve started looking for Uma notata & Urosaurus gracilis in the dunes at 0700 while I petrolled the road at the same time looking for Phrynosoma m'calli. They found relatively few large Uma, but lots of young ones. I saw 2 DOR Phrynosoma m'calli (1 of which I could save) and caught 9 live ones. The last one seen (at 0930) escaped me by going around the car. By this time the temps. were getting fairly high. I just made one round trip between the canals, then picked up the boys. We looked for Dipsoecamus dorsalis a few minutes before starting for home. We reached UCR at 1740. We drove 194 miles today, and 1,589 miles on the entire trip. We captured 173 animals of 28 species during the trip, as follows: Chionactis occipitalis - 2 Chionactis palustris - 1 Phyllorhynchus decurtatus - 1 Phyllorhynchus worni - 1 Phrynosoma solare - 1 Phrynosoma m'calli - 15 Bufo alvarius - 1 Bufo woodhousii - 2 Cnemidophorus tigris - 3 Uta stansburiana - 3 Trimorphodon lambdoides - 1 air(30")-30.0°C. road-50.0°C. air(1cm)-35.0°C.
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Mayhew 1961 June 8 Journal Mexico - Arizona - Calif. Trip Uma notata - 21 (18 more released) Uta weaveri - 4 Dipsosaurus dorsalis - 9 Crotaphytus collaris - 4 Crotaphytus wislizeni - 2 Urosaurus graciosa - 12 Sceloporus orcutti - 1 Xantusia henshawi - 28 Colonyx variegatus - 33 Saurornalus obscus - 6 Callisaurus draconoides - 4 I was impressed with the relatively small number of animals and tracks seen in the Gran Desierto in Sonora, & in the portions of Baja California that we visited. The same was true for the parts of Arizona that we covered. The lack of animals (Reptilia) that were seen might be explained by the fact that we were looking at the wrong time of the day. However, the tracks should have been visible at any time of day. Bird, insect & mammal tracks were seen at times when few, if any, reptile tracks were seen. No place visited compared with the Algodones Dunes for numbers of reptiles or of tracks. This area must be fantastically rich with reptiles.
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Mayhew 1961 June 15 Journal 45. Dale Dry Lake, San Bernardino Co., Cal.f. at 0515 Walt Mobely & I left UCR for Dale. We arrived at our collecting site at 0730, and found to our surprise that most of the animals had returned underground by then. The air temp. (30") at that time was 36.0°C. Nevertheless, we looked for lizards from 0730 to 0930, then we drove up Iron Age Mine Road to look for Sauromalus obesus. We saw no adult Sauromalus, but we caught one of two young animals that we saw near the mine. We just looking for lizards at 1000, then checked 7 of the traps we have set near the old campsite. One adult Citelius [illegible] teticandus & one dead baby C. tetricandus were in one trap, along with several beetles. After we gathered our soil sample, we drove to 29 Palms to try to cool off a bit (max. temp. today - 110°F. We returned to Dale about 1630, but it was still so hot no animals were active (air temp. [30°] was 108°F. at 1630). We checked the other 7 traps & looked for lizards until sundown, but few of them were active. We took 6 Uina scaparia from traps (1 adult) as well as 3 Chioractis occipitalis (2 dead). In fact, the adult
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Mayhew 1961 June 15 Dale Dry Lake, San Bernardino Co., Calif. Uma, 2 immature Uma, 1 dead Chionactis, 4 1 live Chionactis were taken from the same trap. We weighed, measured, toe- sclpped, & released all the young Uma scoparia & Diposaurus dorsalis that we caught today. Almost no adult Uma scoparia were seen today, nor were there many tracks of adult animals to be seen. June 16 We looked for lizards, beginning at 0630. No adult animals were seen by 0700, so we sat in the shade of a Dalea spinosa, waiting for the weather to warm up. [air temp.(30'') was 28.5°C. at 0700]. We began looking for lizards again at 0730 when weather conditions were: air (30'') temp. - 32.0°C.; air (1cm) temp. - 33.0°C.; soil surface temp. - 38.0°C. The first adult Uma scoparia was seen at 0745, sitting on the open sand in the sun. Relatively few adult Uma were seen this morning, and their tracks were nearly as scarce. I don't know what has become of the many animals that have been seen in this area in the past. Several of the adults that were caught were rather thin. We stopped looking for animals at 1100 and weighed, etc. the young animals we caught this morning. [air temp.(30'') 38.0°C.]
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Mayhew 1961 Journal 47. June 16 Dale Dry Lake, San Bernardino Co., Calif. In all, we marked & released 14 young Uma scoparia and 11 young Diposaurus dorsalis. In addition, we recaptured and re-weighted 6 young Uma scoparia & one adult Uma scoparia. The last adult Uma scoparia was seen at 1000, the last adult Diposaurus dorsalis was seen at 1030. We returned to UCR at 1335 with the following animals: Uma scoparia - 15 (683,99) Diposaurus dorsalis-13 Urosaurus graciosa-3 Crotaphytus wilizeni-1 Callisaurus draconoides-1 Sauromalus obesus-1 (juv.) We drove 287 miles on this trip. June 19 Palm Springs area, Riverside Co., Calif. Walt Moberly & I left UCR at 0510 for our monthly collecting trip to this region. We reached "Graddaddy Dune" at 0615 and began looking for lizards at 0620. At that time the air temp. (30") was 32.0°C. Several juvenil(?)Uma inornata were captured, but only one adult Uma was seen by 0730. The Larrea divaricata looks very bad at this location, there are few rodent burrows remaining beneath the plants, and almost no tracks of adult lizards. Therefore, we felt we might catch more animals in another location.
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Mayhew 1961 Journal 48. June 19 Palm Springs area, Riverside Co., Calif. So, we drove to 1000 Palms (collecting 4 Phrynosoma platyrhinos along the way), then along Ramon Road to Date Palm Dr. & into Palm Springs Panorama. We found a few more Uma inornata here (3 killed on the road), but not many more. One adult Uma or (108mm. S-V-length) was found that had starved to death - it was nothing but skin & bones. We passed through the Panorama to Vista Chino Drive, looking for lizards. By this time several Dipsosaurus dorsalis were seen. We collected Dipsosaurus along Vista Chino until 1100 when no more animals were seen. By this time the air temp. (30") was 40.0°C. We weighted, measured, & toe-clipped 3 juvenil Dipsosaurus dorsalis & 10 immature Uma inornata as well as 1 recaptured Uma at Lloyd Tevis' house. Then these were released at "Granddaddy June" when we stopped to get a soil sample. All of the areas looked very desiccated at this time. We returned to UCR at 14:45 with the following animals: Uma inornata - 8 (5?,3?) Dipsosaurus dorsalis - #21 Urosaurus graciosus - 2(?) Phrynosoma platyrhinos - 4 (2?,2?) (not a very good day's work) we drove 148 miles.
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Mayhew 1961 Journal 49. July 7 UCR, Riverside Co., Calif. This morning the following animals were taken from cages in the lab. and placed in outdoor cage #3: 10 Dipsozaurus dorsalis 5 Uma inornata 8 Uma notata 4 Uma scoparia This will permit us to use the indoor cages more readily for recording Phrynosoma m'calli body temps., which Dave Young will be doing for the next couple of weeks. We will be using Univ. of Michigan's Brown recorder for the job. July 10 Glamis area, Imperial Co., Calif. at 1220 Donna Hobbs, Warren Blakely, Walt Moberly & I left UCR for the dunes. We reached the Highline Canal at 1620. The temp. had been 118°F. at Brawley, but was only 43.0°C. (110°F.) when we left the canal to look for lizards at 1740 (we had been swimming in the meantime). Two Callisaurus dumosus were seen on the road at 1745 when soil temp. was 50.5°C., asphalt temp. was 49.5°C., & air temp.(30') was 43.0°C. Three Phrynosoma m'calli were collected between then and sundown (1850). At sundown the air temp. was still high (38.8°C.).
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Mayhew 1961 Journal 50. July 10 Glamis area, Imperial Co., Calif. We left Walt in the dunes to try to catch young Uma while the rest of us patrolled the road some more, but neither Walt nor us were very successful. We caught only 1 Chionactis occipitalis & he caught 1 Uma notata. We began night collecting at 2025 & quit at 2220. We saw only 3 Coleonyx variegatus (all ?) in spite of driving 34 miles. The minimum temp. tonight was 87°F. (1 adult Uma on road tonight). July 11 We arose at 0500 (sunrise - 0450). We patrolled the road for Phrynosoma m'celli from 0530 to 0730. We caught 3 of them during this period. We began looking for Uma notata in the dunes at 0730. At this time, air temp. (30") was 33.2°C., pavement temp. was 38.0°C., air (1cm) was 34.2°C., soil surface temp. was 39.0°C., 10% overcast, SE wind 8-12 mph. We quit looking for Uma at 0945 because none were being seen. Those that had been seen this morning were about as spooky as I have ever seen them. We caught very few of those we saw. The flies were the worst I have ever seen in these dunes. They were terrible!!! After we collected
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Mayhue 1961 Journal 51. July 11 Glamis area, Imperial Co., Calif. on soil sample, we stayed in the canal until lunch time, then ate at the Glamis store. After lunch we slept beneath the bridge over the Coachella Canal. We looked for Uma notata in the dunes from 1800 to 1910 (sundown-1850). We were rather successful this time, but the flies drove us frantic. We night collected from 2030 to 2145. We saw 2 Crotalus cerastes and caught 1 juvenile Coleonyx variegatus - our 1st this year. No adult Coleonyx were seen. The air temp. (30") held at about 91°F. during the entire night collecting trips, (We drove 28 miles tonight.) The maximum temp. that we recorded today was 111°F., the lowest tonight was 83°F. July 12 We arose at 0545 when the wind & sand drove us off the top of the big dune. We looked for Phrynosoma wicelli from 0600 to 0630 as we drove to the Highline Canal. There was no sign of any lizards. At this time it was 90% overcast, SE wind at 8-10 mph., air temp. (30") of 84°F. We left the canal at 0705 and reached UCR at 1015. We had to return to
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Mayhew 1961 Journal 52. July 12 Glamis area, Imperial Co., Calif. UCR instead of going on to Dale Dry Lake as planned because I developed such a severe case of swimmer's itch I could hardly walk (pants rubbed against my swollen knees). We drove 467 miles on this trip, and collected the following animals: Uma notata - 27 (15m, 12 f) Chionactis occipitalis - 1 Urosaurus graciosa - 5 (30?, 2 f) Coleonyx variegatus - 3 ad. ?, 1 imm. ? Callisaurus draconoides - 1 (?) Phrynosoma m'calli - 6 (5 f, 1 m) Total 4 animals, 6 species July 17 Palm Springs area, Riverside Co., Calif. Walt Moberly, Dave Young & I left UCR at 0530 and began looking for lizards 4 mi. E. of 1000 Palms at 0700. We looked from then to 0845, but saw very few lizards. We failed to catch only one of those we saw. We caught: (Uma inornata). Urosaurus graciosa - 1 Crotaphytus wislizeni - 1 (?) Uma inornata - 2 (m) This sandy area looked like it should support a large Uma inornata population, but these animals weren't to be seen. The lack of tracks
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Mayhew 1961 Journal 53. July 17 Palm Springs area, Riverside Co., Calif. indicated that few of these animals occur here at present. The perennial vegetation seems to be suffering from the prolonged drought, & there is almost no trace of annual vegetation. Then we drove to Palm Springs Panorama We collected in this general area from 0900 to 1200. During this time we captured: Uma inornata - (1 immature) Phrynosoma m'celli - 1 (♂) Urosaurus graciosa - 1 Diposaurus dorsalis - 28 (9 immature) Few Uma inornata tracks could be found in regions where lots of these animals have been seen in the past. Diposaurus dorsalis, however, still seem to be quite abundant. They are vegetarians and may be able to find enough food in the gardens of houses near-by. Dale Dry Lake, San Bernardino Co., Calif. We reached this site at 1700 and immediately began to look for lizards. We also checked the 14 traps set in the area. Chionactis occipitalis was most numerous in the traps (9) outside of beetles. Unfortunately, however, they were all dead. The remains of one
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Mayhew 1961 Journal 54. July 17 Dale Dry Lake, San Bernardino Co., Calif. Large Uma scoparia and one immature were they only other reptiles captured. Fair numbers of beetles were in each trap. We looked for lizards until 1830, but saw & caught only 2 immature Uma Scoparia. The maximum temp. today was 110°F., the minimum tonight was 82°F. July 18 We arose at 0515, and looked for lizards from 0615 to 1030. We saw only about half a dozen animals we failed to catch. Adult Uma scoparia & Dipsoaurus dorsalis were very hard to find. Not as many immature Uma Scoparia were seen as we expected. Over 170 animals (mostly immature young) have been marked & released this spring at our usual collecting site. However, none of the marked Uma were caught (1 marked Dipsoaurus was caught, though); 12 new ones were marked. animals caught were: Uma scoparia - 10 (6♂, 4♀) (+12 young) Urosaurus graciosus - 1 Dipsoaurus dorsalis - 4 (+1 young marked) Callisaurus draconoides - 1 (♀) Palm Springs area, Riverside Co., Calif. We looked for Uma inornata in the dunes north of Palm Desert from 1520 to 1545 without seeing any.
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Mayhew 1961 Journal 55. July 18 Palm Springs area, Riverside Co., Calif. Then we drove to Granddaddy Dunn near 1000 Palma. We looked for Uma inornata here from 1620 to 1825. We caught 22 animals (3 or 7 ?, 12 [illegible] immature) at this time. We reached UCR at 1950 after driving 372 miles on this trip. Maximum Temp. today was 110°F. Total animals caught on this trip: Uma inornata - 24 (12 released) Uma scoparia - 22(12 released) Cnemidophorus tigris-1 Dipsosaurus dorsalis -34 10(released) Urosaurus graciosa - 6 Phrynosoma m'calli-1 Callisaurus draconoides -1 Crotaphytus wisligeni-1 Thus, 90 animals of 8 species were caught, 56 of which were brought back. July 21 Glamis area, Imperial Co., Calif. Tony Roth & I left UCR at 1250 to collect reptiles. We reached the Highline Canal west of Glamis at 1650 and immediately began to look for Phrynosoma m'calli along the road. At this time the air temp(30") was 39.0°C, substrate temp. (blacktop) was 50.0°C. Six Phrynosoma m'celli were caught between then and 1834. Sundown occurred at 1847. Several
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Mayhew 1961 Journal 56. July 21 Glamis area, Imperial Co., Calif. junval Callisaurus draconoides and 1 junval Phrynosoma m'calli were seen this afternoon. These are the first juniavls of both species seen this year. We quit looking for diurnal reptiles at 1900. After eating dinner we began night collecting at 2045, and looked for reptiles until 2215. Two adult Culeonyx variegatus were all that were seen (13 miles driven day collecting, 31 miles driven night collecting). The weather was quite nice this afternoon. maximum temp. today was 103°F. The minimum temp. tonight was 80°F. July 22 at 0030 Bill Threadell, Ed Eberle, & Ken Osgood arrived from UCR. We arose at 0430 and began looking for Phrynosoma m'calli on the road at 0445 (sunrise at 0450). I spent the next 14 hours driving the 7 miles between the Highline & Coachella Canals looking for reptiles. I stopped only long enough to moisture the collecting cars occasionally, pick up animals along the road, and scribble notes. Most of this time I drove at 5-10 miles per hour, but during the middle of the day I
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Mayhew 1961 Journal 57. July 22 Glamis area, Imperial Co., Calif. increased the pace to 15-20 miles per hour. Phrynosoma m'calli were captured from 0500 to 0915 in the morning, and 1630 to 1755 in the afternoon. 3 Dipsosaurus dorsalis were seen in the morning that weren't caught, however, 3 were caught. One Dipsosaurus and 4 Callisaurus draconoides (1ad & 3 jun.) were seen at 1015. Another Callisaurus was seen at 1100. By this time the air temp.(30") was 36.8°C., the soil surface temp. was 55.0°C. Another Callisaurus was seen on the black- top at the edge of the pavement at 1225 when the air temp.(30") was 39.0°C., & the blacktop was 50+°C. at 1400 the air temp.(30") was 39.0°C., air (1cm) was 41.0°C., soil surface temp. was 55.0°C., road temp. was 56.2°C. a few minutes later (1420) a Dipsosaurus dorsalis ran across the road in front of the carry- all. Two Callisaurus draconoides were seen on the sand in the sun at 1540. At this time the air temp. (30") was 38.2°C., soil surface temp. was 53.0°C. Another Callisaurus was seen on the blacktop at 1605 and 2 more Callisaurus were on the
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Mayhew 1961 Journal 58. July 22 Glamis area, Imperial Co., Calif. blacktop at 1610. No Dipsozaurus were seen during the afternoon except for the one at 1400. The most numerous animals seen today were Phrynosoma m'calli. The boys in Bill Treedell's car caught 4 P. m'calli today (all in the morning). People in my car caught 7 this morning, & I caught 4 this afternoon. Thus, we caught 15 Phrynosoma m'calli today, which is the most we have ever caught in one day. I quit looking for reptiles at 1845 (sundown was 1845), after driving 108 miles between the two canals today (7 miles apart). The highest temperature today was 103° F. We were chased off the big dune by the wind tonight, so we night collected from there to our new campsite in a gravel pit near the 1/Highline Canal 10 miles away. We covered this distance from 2130 to 2210. We caught an adult Uuna notata on the pavement at 2130, & a juvenile Collonyx variegatus a few moments later. These were the only reptiles seen at this time. Minimum temp. tonight was 76° F.
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Mayhew 1961 Journal 59. July 23 Glamis area, Imperial Co., Calif. We arose at 0545 and began to look for Phrynosoma m'calli at 0620. Our car caught 2 before we drove back to the big dune at 0730. We noosed several Uma notata (some for Rudy Ruibal, some for me), then began to patrol the road again. We caught 4 more Phrynosoma m'calli and picked up 1 that had been run over by a car recently. Then we looked for Dipsoaurus dorsalis, which were not at all numerous this morning. The sky was quite overcast (as it had been yesterday morning), so it was a bit cool for Dipsoaurus. We quit looking for animals at 1115, and left for home. We reached UCR at 1500 after driving 529 miles this weekend/(14 miles patrolling the road this morning). In addition to 1 Masticophis flagellum for Tony Roth & several (number unknown) Uma notata for Rudy Ruibal, we brought home the following animals: Phrynosoma m'calli - 27 (3 juvinal) + 1 dead Dipsoaurus dorsalis - 7 (1 immature) Uma notata - 6 (5?, 1♀) Callisaurus draconoides - 4 (1 juvenile)
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Mayhew 1961 Journal 60. July 23 Glamis area, Imperial Co., Calif. Coleonyx variegatus - 4 (1 juvenile) Urosaurus graciosus - 1 Cnemidophorus tigris - 1 Crotaphytus wislizeni - 1 This makes 51 animals of 8 species added to our research collection. We saw a total of 13 juvenile Callisaurus draconoides and 3 juvenile Phrynosoma m'callii. I saw 2 juvenile reptiles run across the road in front of the carry-all in the dunes. However, it was rather late, so I couldn't be sure if they were young Uma notata or not. None were seen during our trips to the dunes during daylight hours, however, I am frankly amazed at the number of Phrynosoma m'callii that have been collected along that 7 mile stretch of road between the two canals. I know of at least 66 animals (live) that have been collected there by us the past two months. We have now collected 85 (live) of this species on that part of the road in 1961. Tracks in the sand beside the road indicate there are lots of animals left. No place this trip!
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Mayhew 1961 Journal 61. July 23 Glamis area, Imperial Co., Calif. If we include the dead animals that have been seen on the road as well, since these have been removed from the population, the counts are 75 animals removed in the past two months (9 dead ones) and 114 animals in 1961 (29 dead animals). This accounts only for those animals we have seen - it doesn't take into account the number that must be killed each week while the gravel trucks are traversing the road. Much of our collecting has been on the week-end when gravel trucks aren't using the road. Therefore, the dead ones have been run over by the few cars that use the road during the summer. We have always found more dead ones on days when the gravel trucks were running. The carcasses never remain on the road more than a couple of days at the very most, so the same relative number probably are killed each week. This may not make a great deal of difference in the entire population, though, since the great majority have been seen at the sides of the road instead of on the pavement.
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Mayhew 1961 Journal 62. Aug. 11 Glamis area, Imperial Co., Calif. Ed Eberle & Bill Truexell were going to the dunes tonight, so I decided to go down this afternoon in the cany-all. I left UCR at 1445 and drove to Ocotillo Wells by way of Warner's Hot Springs. I reached Ocotillo Wells at 1700. At that time the air temp.(36") was 40.0°C. I drove the road south of Ocotillo Wells very slowly, looking for Phrynosoma m'celli, since we had found them here in the past. The area is the driest I have ever seen it; Few Larrea have green leaves. No P. m'celli were seen going or coming on this road. However, 6 Callisaurus draconoides were seen between 1700 and 1720, 11 were seen by 1820. No other reptiles were seen. Sun down occurred at 1820, at that time the air temp.(36") was 38.6°C., soil surface temp. was 40.6°C. At that time I headed for the Algodones Dunes, which I reached at 2030. The air temp.(36") was 35.0°C. I night collected between the Highline Canal & Glamis until 0005, when Ed & Bill arrived. I drove 248 miles today. Minimum temp. tonight was 82°F. I drove 65 miles while night collecting. Aug 12 We arose at 0520. I began looking for lizards (especially Phrynosoma m'celli)
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Mayhew 1961 Journal 63. Aug. 12 Glamis area, Imperial Co., Calif. along the road at 0600, with the voya starting somewhat later. Several juvenil Callisaurus draconoides were seen along the road. One juvenil & one adult Phrynosoma m'calli were seen DOR. We quit looking for lizards at 0945. By that time we had 12 live Phrynosoma m'calli. The 1st one was seen at 0700, the last one at 0820. Several of them were juveniles. The voya spent the rest of the day at the Highline Canal while I explored for new roads that might yield additional P. m'calli. The only likely prospect is Highway 98 east of Calexico. The last 8 miles before it joins Highway 80 look very good. No other paved roads could be found in sandy creosote brush scrub, which these animals seem to prefer. It takes about 30 min. to drive from Highway 98 to the Highline Canal near Glamis. I returned to the Highline and began looking for P. m'calli on the road at 1535 while I drove to the dunes for a soil sample. I really began looking for lizards at 1710 along the road, & quit at 1845. Only 1 P. m'calli was found this afternoon (at 1805). The air temp. (36") at 1845 was 38.2°C. The maximum temp. today was 42.5°C, the minimum tonight was 82°F. I drove 166 miles today
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Mayhew 1961 Journal 64. Aug. 13 Glamis area, Imperial Co., Calif. We arose at 0520, & I began to look for lizards at 0600. Since 13 live & 2 DOR P. m'calli were found yesterday, I didn't think we would have much chance finding any more today. However, by the time we quit looking at 0930, we had caught 15 more, for a total of 28 live & 2 DOR for the two days spent looking. The earliest seen today was at 0625, the latest at 0920. This is the greatest number we have ever captured in a single trip. These, we have collected or seen dead 140 animals of this species since the first of the year (113 live, 27 dead), 105 of them in the past 3 months (94 live, 11 dead). It appears they are not at all rare in the proper habitat. They were the most abundant animal we saw between the canals. I left the Highline Canal at 0945 & reached UCR at 1355. I drove 184 miles today and 598 miles on the trip. 50 animals of 7 species were collected: Phymosoma m'calli - 28 (10 juv, 14 O; 6 F; 18 ad, 4 O; 14 F) Urosaurus graciosa - 4 (2 O; 2 F) Coleonyx variegatus - 5 (3 O; 2 F) Uroa notata - 3 (2 ad O; 1 juv.) Diposaurus dorsalis - 7 Callisaurus draconoides - 2 (2 F) Crotaphytus wializeni - 1 (juv. O)
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Mayhew 1961 Journal 65. Aug. 14 Palm Springs area, Riverside Co., Calif. Walt Moberly & I left UCR at 0525. We looked for Uma inornata in Palm Springs Panorama from 0705 to 0915. Several animals (adults and young) were captured. These were the first young of the year that we have seen in 1961 for this species. Then we drove to Palm Desert to look for Diposaurus dorsalis. Cal & Ruth De Witt were catching Dipsosaureus to send back to Michigan the next day with Bob Lesiewski at the same spot. There were a great many lizards at this location (south of the A + W root beer stand). We looked for Diposaurus from 0930 to 1200. The weather was fairly cool that day, so lizards were still active when we left. We reached Dale Dry Lake in time to look for Uma scoparia from 1555 to 1745. One adult Uma was taken from one of the traps. No Chionactis in any of the traps this time. Very few Uma were seen running about this evening. Maximum temp. today was 102° F. Minimum temp. tonight was 68° F. At approximately 2300 it began to rain, accompanied by thunder and lightning. This continued until
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Mayhew 1961 Journal 66. Aug. 15 Dale Dry Lake, San Bernardino Co., Cal't. about 0400. I slept in the front seat of the carry-all & Walt slept in the second seat. We arose at 0715 & finished checking the traps while we waited for the weather to warm up sufficiently for lizards to get active. We finally collected enough adult Uma for a sample, so we left for home at 1300. We checked the rain gauge at Mrs. Joe De Salliera on the way (4.7 miles from soil sampling site). We found 0.86 inches of rain fell this morning & last night. We learned that 29 Palma had received over 2 inches of rain in 4 hours. The soil was moist to a depth of 10 inches at De Salliera. We reached UCR at 1600 after a total trip of 268 miles. We brought back 119 animals of 4 species: Urosaurus graciosa - 1 (Dale) Uma scoparia - 59 (18 adult, 41 young) (immature) Uma inornata - 18 (11 adult, 7 young) Dipsosaurus dorsalis - 41 (1-Dale; 2-Palm Springs; 38-Palm Desert [18 ad, 8 ad?, 11 immature, 1 juvenile]). Some of the young will be kept in the laboratory (the smallest ones), but the remainder will be toe-clipped, measured & returned to Dale & "Granddaddy Dune";
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Mayhew 1961 Journal 67. Aug. 20 Glamis area, Imperial Co., Calif. Walt Moberly, Fritz Zaebot & I left UCR at 1545 and dropped off some marked Uma inornata at "Grand-Daddy Dune" as we passed on our way to Glamis. We reached the High-line Canal at 1930, and began to night collect immediately. We looked for lizards from then until 2015. All we found were 1 live Cebonyx variegatus and 1 DOR Phrynosoma m'calli. The minimum temperature tonight was 88°F. We drove 172 miles today. Aug. 21 We arose at 0530 and ate breakfast. We began looking for lizards in the dunes at 0630, & searched until 0945. The humidity was so high we felt miserable walking in the dunes. We saw lots of several Uma notata & brought 6 of them back to the laboratory. Not too many adults were to be seen. Clouds were all around, so the weather felt oppressive to us, but I doubt if this affected the lizard activity much. We drove to Glamis & learned that there had been heavy rains in the Chocolate Mts. very recently. The water had
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Mayhew 1961 Journal 68. Aug. 21 Glamis area, Imperial Co., Calif. flowed across the Anso-Glamis road and into the east side of the dunes. Mr. Van der Poel in the glamis Store told us that some years there are a couple of big lakes (one about 4 miles south of Anso, the other about 6-7 miles south of Glamis) & several smaller lakes against the east side of the dunes after several heavy rains have fallen in the Chocolates. He said this occurred roughly once every 10 years. The biggest lakes have been 12 feet deep some years and cover considerable area. We drove to Anso and checked a wash about 1 mile west of there. Grass was quite lush & about 10 inches high over much of the flat land close to the dunes. Palo verde & ironwood trees were in full leaf. There was evidence of water having stood 18" or 2 feet deep in spots recently. All in all, things looked quite lush right up to the edge of the dunes. We didn't have time to examine the areas where the large lakes are formed, since we wanted to check over some habitat east of
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Mayhew 1961 Aug. 21 Journal 69. Glamis area, Imperial Co., Calif. Calexico on highway 98. We weighed, measured & toe-clipped 11 immature Uma notata at the Glamis Store after lunch, then released them in the dunes as we drove through to Calexico. I wanted to check some roads in that area to see if they might yield some Phrynosoma micelli. Gravel trucks make collecting on the Glamis-Brawly road rather hazardous, so I am looking for a place that has these animals, but no gravel trucks. We drove over highway 98 from a point 11 miles [illegible] of Calexico to 26 miles east, but the terrain doesn't seem sandy enough to support a large population of P. micelli. None were seen, even though we drove between 5 & 10 mph. Another road also was checked. This is south of the All-American Canal, & is the remains of the old Yuma- El Centro Highway. We drove 8 miles of this road without seeing any P. micelli either. Again, it appeared to be too gravelly for good P. micelli country. Then we drove across the Algodones Dunes on Highway 80. Thunder showers could be seen all
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Mayhew 1961 Journal 70. Aug. 21 Glamis area, Imperial Co., Calif. around us by this time. We decided we would return to the Glamis- Brawley Road to try to get some P. micelli this trip, so we took the Ogilby-Glamis Road. There had been very recent rains east of us, so the road was under considerable water in places from flash floods. Even though the road is dirt, & the water was rather deep in places (~2 feet), we managed to drive through without difficulty by using the 4-wheel drive. At one place we saw an adult Crotalus cerastes swim across the road and climb up on dry ground on the other side. We eventually reached Glamis again and camped for the night on top of the big dune where we had spent the previous night. The maximum temp. today was 113°F. (with a humidity to match!) The minimum temp. tonight was 84°F. We drove 154 miles today, and although we saw lots of rain falling in the distance, we didn't have any rain fall where we were. Aug.22 We arose at 0545 & ate break- fast. Then we drove the road,
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Mayhew 1961 Journal 71. Aug. 22 Glamis area, Imperial Co., Calif. looking for Phrynosoma m'calli, from 0700 to 1120. We were sprinkled on occasionally, & clouds were quite thick all around, so the temperatures of soil + air didn't rise very rapidly. Therefore, P. m'calli were active later than usual. We returned to UCR at 1550 with the following 32 animals of 8 species (11 Uma notata marked & released): Sceloporus magister - 1 (δ) Dipsosaurus dorsalis - 4 Phrynosoma m'calli - 8 (4 juv., 4 ad.) Uma notata - 12 (6 ad., 6 juv.) Urosaurus gracilis - 4 Crotaphytus wislizeni - 1(♀) Coleonyx variegatus-1 (δ) Callisaurus draconoides -1 (δ) We have now collected 15♂ Phrynosoma m'calli (including DOR's seen) in 1961 on the 7 miles of road between the Highline & Coachella Canals (121 live, 29 DOR). During the past 3 months (June, July & August) we have seen DOR or captured live 114 P. m'calli on the same stretch of road (102 live, 12 DOR). I am convinced they are not rare animals. We drove 173 miles today, 519 miles on the entire trip.
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Mayhew 1961 Journal 72. Sept. 8 UCR, Riverside Co., Calif. This morning I shipped the following animals to Calvin De Witt at the University of Michigan: 1 Uma insignata 1 Urosaurus graciosa 1 Uma notata 1 Uma scoparia 1 Callisaurus draconoides 1 Phrynosoma coronatum 1 Phrynosoma m'calli These are animals I promised him earlier for an experiment he is conducting. Unfortunately, these are all iguanids, but perhaps I can send some specimens of other families later. Sept. 11 Glamis area, Imperial Co., Calif. Walt Mobely & I left UCR at 1200 for Glamis as our first stop on the September collecting trip. We reached the Alilne Canal east of Brawley at 1540 and immediately began looking for Phrynosoma m'calli along the road. At this time the air temp. (36°) was 38.8°C. There was no wind, but it was about 30% over- cast (thunderheads over the Colorado River & Sierra Juarez). We made one pass through to the Coachella Canal before sundown. We quit at 1750 (sundown at 1755).
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Mayhew 1961 Journal 73. Sept. 11 Glamis area, Imperial Co., Calif. We caught 6 P. m'calli on this pass (1 ad ♀, 2 ad ? or 3 juv. ♀), as well as 1 juv. Uma notata, 1 ad or Uma notata, & 1 ad ♀ Uta stansburiana. We began night collecting at 19 00, & quit for the night at 21 00. We caught only 2 Colonyx variegatus (1 ad ♂, 1 ad ♀), maximum temp. today was 106°F; minimum temp. tonight was 80°F. We camped in a gravel pit 2 miles east of Glamis because the wind was blowing sand on top of the large dune where we usually camp. Sept. 12 We arose at 0630. We looked for lizards in the dunes from 0730 to 1030. Very few adult Uma notata were seen during this period. 3 ad or & 2 ad ♀ were caught. The remainder of this species caught this morning were immature and juvenil. 11 Urosaurus graciosa were captured during the same period. One baby Crotalus cerastes was seen and the tracks of another juvenil were observed this morning. The middle of the day was spent in the Glamis store and exploring the dry lake-bed on the east side of the dunes about 6 miles north of Glamis. Grass
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Mayhew 1961 Journal 74. Sept. 12 Glamis area, Imperial Co., Calif. was waist high and very dense in spots. It is a much more lush spot than one would imagine from viewing it from the Amos-Glamis road. One Uma notata was caught on the dunes there, and a couple of others were seen. A thunderstorm developed over the Chocolate Mts. about 1500, and slowly moved toward Glamis. We returned to the dunes at 1600 before the storm struck Glamis. We made one pass for P. micelli from 1640 to 1800, but saw no animals. It sprinkled part of this time, & dust blew part of the time. We dug out 3 ad. Uma notata & 1 jnr. after the rain. Only a trace fell at our regular collecting site, but 0.25" of rain fell in our rain gauge at the Glamis store. We quit looking for diurnal reptiles at 1826. At 1930 we drove along the Amos-Glamis road to see if we could catch any of the so-called "joga" the natives had told us come out after such a rain. We caught 1 in the road when the creeks overflowed into the road from the rain in the Chocolates. This was less than 1 mile north of Glamis. Some had
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Mayhew 1961 Sept. 12 Glamis area, Imperial Co., Calif. been heard about 100 yards away from the Glamis store (on both sides of the store), but we had been unable to catch any of them. Later we caught 2 in a flowing creek about 3 miles north of Glamis. Several others were heard, but couldn't be located. These animals appear to be some species of Scaphiopus that emerge when rains in the Cholates cause these streams to flow. We also collected 7 Coleonyx variegatus at this time. In each case, the animal was on a wet spot on the road (6 on dirt, 1 on pavement) that had been left by the rain (pavement) or by the receding waters of the flash flood (dirt). We quit collecting at 2240. Maximum temp. today was 108°F., minimum temp. tonight was 76°F. Turned out to be Scaphiopus coecchi. Sept. 13 We arose at 0615. We began looking for lizards at 0720. We caught 4 Uma notata, then began looking for Phrynosoma m'calli along the road. We looked for P. m'calli from 0745 to 1105. There was a great deal of overcast this morning, so the temp. remained rather low for some time. Journal 75.
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Mayhew 1961 Journal 76. Sept. 13 Glamis area, Imperial Co., Calif. We saw only 1 adult Diposaurus dorsalis during our entire stay in this region this time. We caught 1 journal member of this species. We left Glamis at 1200 and headed for Dale Dry Lake after our soil sample. Dale Dry Lake, San Bernardino Co., Calif. We reached Dale about 1800, then took our soil sample. The maximum temp. today was 97° F.; minimum temp. was 74° F. There appears to have been rain here since our last trip out, since the sand is damp deeper than last month (to 24
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Mayhew 1961 Journal 77. Sept. 14 Dale Dry Lake, San Bernardino Co., Calif. 15 feet north of this bush at the east side of some Hilaria rigida. I took some pictures of it, a tse-clipped Uma seoparia (in B24) was noosed about 400 yards west of the release point. 3 toes have been clipped, 2 Chionactis occipitalis remains, 1 large Uma seoparia remains, 10 live scorpions (large) & 1 live jurunal scorpion, as well as the remains of several others were taken from our traps, along with numerous beetles. Troglobatoma c. mayhewi & Sepinus mayhewi were found for the 1st time since last December. A number of Pelycophorus [illegible]? elso were found for the first time since last winter. The tracks of a baby Crystalus cerastes were seen. a Urosaurus graciosa was seen in Dalea spinosa, but couldn't be captured. Uma seoparia #124 was found in trap #1 (in B76). We learned there had been 0.75" of rain on Aug. 30th. We left the area at 1200. Plants seen in bloom in the 29 Palma area were: Cassia armata, Pectis peppeosa, Palofoxia linearis, Datura metelsides, and some I didn't recognize.
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Mayhew 1961 Sept. 14 5 mi. N.W. of 1000 Palms, Riverside Co., Calif. We stopped for a while at granddaddy Dune to get our last soil sample, & try to catch some Uma inornata. There were numerous tracks about, but we saw very few lizards. We were able to capture 5 of them before we left the area at 1630. We reached UCR at 1735, after driving 611 miles this trip. We brought back 122 reptiles of 11 species, as follows (3 amphibians, 1 species): Dipsosaurus dorsalis - 7 (imm) Uma inornata - 5 (2 ad, 3 imm) Uma notata - 42 (9 ad, 33 imm) Uma scoparia - 26 (10 ad, 16 imm) Phrynosoma m'calli - 13 (6 ad, 7 imm) Phrynosoma platyrhinos - 2 (1 ad, 1 imm) Urosaurus gracilis - 13 (all ad) Callisaurus draconoides - 3 (all ad) Uta stansburiana - 1 (ad) Cnemidophorus tigris - 1 (ad) Colonyx variegatus - 9 (all ad) Scaphiopus couchii - 3 (all ad) Rudy Reival positively identified the amphibians caught near Glamis as Scaphiopus couchii. He says they have never been reported in Calif. before. Arizona is the nearest they have been found previously,
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Mayhew 1961 Sept. 16 Palm Springs, Riverside Co., Calif. Walt Moberly, Betty Aaron, Ed Eberle, Bill Truesdell & I left UCR at 0630. We looked for lizards from 0720 to 1400. No reptiles were seen along Varner Road from Garnet to 1000 Palma, except for a couple of young Uma inornata. Then we drove through Palm Springs Panorama to Vista Chino Drive. Walt & Betty worked near Vista Chino while Ed, Bill & I worked near Ranch Country Club. We found one Crotalus cerastes adult exposed on the surface in the shade of a can which rested in the shade of Dalea schottii. I stepped within a foot of it before I saw it. It never moved nor rattled, howerer, until we dragged it out into the open. This animal was seen at 1045 when the air temp.(36°) was 35.0°C., soil surface temp. at the spot where the snake was located was 32.0°C., at 1100 we found another Crotalus cerastes adult in the entrance to a burrow in the shade of Fritsneria dumosa. The first C. cerastes was 19½" long and had 6 rattles, the second was 18" long & had 10 rattles. The longer animal contained a Dipsodomya
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Mayhew 1961 Journal 80. Sept. 16 Palm Springs, Riverside Co., Calif. dererti in its gut. We looked for animals until the wind came up, which seemed to stop reptile activity. We reached UCR at 1505 after driving 119 miles today, and 730 miles this week. We brought back 54 animals of 6 species, as follows: Dipsooaurus loralis - 30 (9 ad, 21 immature) Crotalus cerastes - 2 (ad) Uma inornata - 17 (8 ad, 9 imm.) Phrynosoma m'calli - 2 (ad) Urosaurus gracissa - 2 (ad) Callisaurus draconoides - 1 (ad) Some Pelocphora were collected also. This was the first time we had seen this particular group of beetles. Two were collected beneath Larea diviricata, about '1/2 dozen were collected beneath a composite that looks like a juniper. The September collecting trips yielded 176 animals of 12 species, as follows: Crotalus cerastes - 2 (ad) (P.S.) Dipsooaurus loralis - 37 (9 ad, 28 immature) Uma inornata - 22 (10 ad, 12 imm.) Uma notata - 42 (9 ad, 33 imm.) Uma scoparia - 26 (10 ad, 16 imm.) Cremidophorus tigris - 1 (ad)
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Mayhew 1961 Journal 81. Sept. 16 Palm Springs, Riverside Co., Calif. Phrynosoma platyhirsa - 2 (1 ad, 1 imm.) Phrynosoma m'celli - 15 (8 ad, 7 imm.) Uta graciosa - 15 (ad) Callisaurus draconoides - 4 (ad) Uta stansburiana - 1 (ad) Coleonyx variegatus - 9 (ad) Sept. 18 UCR, Riverside Co., Calif. Dick Tedford has just returned from a summer in Australia. He brought back 2 Amphibolurus pictus for me in his pocket. They are both males. They were collected in late August on Lower Cooper's Creek, 16 miles west of Etadunna Station (on the Birdsville track) in South Australia. They were collected from sand ridges at an elevation of about 100 feet. This location is roughly 20 miles east of Lake Eyre. They dig shallow burrows in the sand at the bases of plants. He captured these by digging them out by hand. He says Amphibolurus barbatus and A. reticulatus also occur in these sand ridges in large numbers, but A. reticulatus seems to prefer rockier country. These animals are being kept in a cage with Uta to compare them.
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Mayhew 1961 Journal 82. Sept. 22 UCR, Riverside Co., Calif. Today I set up some lizard experiments that I plan to follow this winter in the laboratory. I also placed some animals in outdoor cage #2, and these animals will be followed through the next breeding season. I hope some of these outdoor animals (Uma insinata, U. notata & U. scoparia) will successfully produce young in the outdoor cage. I shall be running 3 experiments in the lab. Cages 1 & 2 contain Phrynosoma m'calli and 1 Phrynosoma platyrhinoe. Cage #1 will have the lights turned off for the winter on October 1st, while cage #2 will continue to receive 11 hours of light per day. This experiment is intended to determine whether these animals must hibernate or not. The arrangement of these animals is recorded in the species field notes. The arrangement of animals in the other experiments also are described in the field notes of the species involved (Dipsozaurus dorsalis, Uma insinata, U. notata, & U. scoparia). Cage #4 contains almost adult U. insinata, U. notata, & U. scoparia that are now on 24 hours of light per day. Both or??
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Mayhew 1961 Journal 83. Sept. 22 UCR, Riverside Co., Calif. and ?? are involved. I am trying to bring them into breeding condition during the winter. 10 U. inornata (2 ?, 8 ?), 14 U. notata (4 ?, 10 ?), and 15 U. scoparia are involved (6 ?, 9 ? U. scoparia). Case #3 contains 11 juvenile Dipsoceana loralia, 4 young Uma inornata, 11 Uma notata, and 10 Uma scoparia. These are control animals for a growth experiment involving light. Cage #5 contains 12 young Dipsoceana loralis, 4 Uma inornata, 11 Uma notata, and 10 Uma scoparia. These are the experimental animals. Cage #3 will receive 11 hours of light per day, as in the past. Cage #5 will receive 24 hours of light per day, beginning today. The other 2 cages (#1 and 2) contain Phrynosoma mi calli for a hibernation experiment, as mentioned earlier. Each of the indoor cages will have one 250-watt infra-red lamp shining at each end of the cage (except cage #1, which will have no lights on after October). On February 15th, I plan to again turn on the lights in cage #1 (one 250-watt lamp at each end).
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Mayhew 1961 Journal 84. Sept. 26 Val Verde, Riverside Co., Calif. I went out looking for juvinal Sceloporus orcutti. I don't think any broods were successful this year because of the extreme aridity (2.95 inches of rain from July 1, 1960 to June 30, 1966). However, I wanted to check in the field to be sure. I saw 2 adults and 2 large immatures, but no juvenals. I left UCR at 1100 and returned at 1400, so I was out at a rather poor time of the day. However, some of the larger animals were out, so small ones should have been, if any were around. 3 adult Sceloporus occidentalis and 9 adult Uta stansburiana also were seen at this time. I was able to catch 2 of the Sceloporus occidentalis and 5 Uta stansburiana, but no Sceloporus orcutti. Sept. 27 Kenneth Evans & I left UCR at 0830 to look for juvinal Sceloporus orcutti. We looked for lizards from 0845 to 1110. During this time we saw 13 Sceloporus orcutti, 1 Sceloporus occidentalis, and numerous Uta stansburiana (at least 2 dozen). Only 2 juvinal Sceloporus orcutti were seen, and no juvenals of the other 2 species. We returned to UCR at 1130.
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Mayhew 1961 Journal 85. Oct. 6 Glamis area, Imperial Co., Calif. Bill Tinesdell, Ed Eberle, Walt Moberly + I left UCR at 1420 for our monthly collecting trip. We reached the Highline Canal at 1745, and we began to night collect immediately. We caught 1 or Coleonyx variegatus and saw 5 Crotalus cerastes (2 adult) before we quit for the night at 2140. We drove north on the Glamis Amosa Road part of this time to see if any Coleonyx would be out on the dirt road the way they were last month right after the rain. None were seen here. We drove 52 miles night-collecting. We camped in a gravel pit east of Glamis because there was too much wind to camp on top of the big dune. Oct. 7 We arose at 0615 and ate breakfast. Walt + Ed drove the road looking for Phrynosoma m'calli while Bill + I worked in the dunes, catching Uma notata. Walt + Ed drove the road from 0735 to 1045, then they worked some dunes also. Bill + I worked the dunes from 0730 to 1300. Walt + Ed caught 5 Phrynosoma m'calli (3 adult, 2 juvenals), 2 Urosaurus graciosa (ad), 2 juvenil Dipsoaurus dorsalis, and 11 Uma notata. During this time, Bill
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Mayhew 1961 Oct. 7 Journal 86. Glamis area, Imperial Co., Calif. and I caught 6 Urosaurus graciosa and 4-5 Uma notata. Then, during the morning we combined to catch: 5 Phrynosoma m'calli 8 Urosaurus graciosa 2 Dipsosaurus dorsalis 56 Uma notata (4 species) The air temp (36°) when we quit (1300) was 35.4°C. The wind began to blow about 1200, and by the time Bill & I reached the Travelall, the wind was blowing rather hard. Then we drove to the S.P. railroad siding at Ruthven (5 miles south of Glamis) to check on a reported lake site near the dunes. This potential lake isn't nearly as nice as the one we visited ~ 5 miles north of Glamis last month. We caught 2 juv. Callisaurus draconodes & 1 adult of this species, as well as 1 ad. Uma notata at this site before the wind-blown sand chased us out of the area. We left this site at 1430, and returned to the road through the dunes. The sand was blowing hard by this time, but we saw a Uma notata in the open, so we stopped to catch it.
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Mayhew 1961 Oct. 7 Glamis area, Imperial Co., Calif. Before we finished, we had captured 5 Uma at this location. We looked for Phrynosoma nicolli along the road from 1600 to 1630. The sand was blowing so hard, however, that we weren't surprised when we didn't find any. The road was hard to see in spots because of the moving sand. We might collected on the road from 1845 to 1940 (16 miles) without seeing any reptiles. The wind was still blowing quite hard during this period. We camped in the same gravel pit at 1940. Today we caught 80 animals, as follows: Diposaurus - 2 Urosaurus - 8 Phrynosoma nicolli - 5 Callisaurus - 3 Uma notata - 62 Oct. 8 We arose at 0800. The wind was still blowing hard, and it was rather cold, so we simply stayed in our sleeping bags. We weighed, measured, & toe-clipped 2 juvenile Urosaurus graciosae and 27 Uma notata for release at our usual collecting site. Then we looked for marked liguda at this site from 1015 to 1150. Two marked ones were captured, as well as 16 unmarked ones. These animals were !
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Mayhew 1961 Oct. 8 Journal 88. Glamis area, Imperial Co., Calif. measured, toe-clipped and released. Four adult Uma notata and 2 adult Urosaurus graciosa were also caught & returned to the laboratory. We began looking for Phrynosoma m'celli along the road at 1200, and continued to 1230. However, we weren't surprised to find more. The maximum temperature (36°) today was 20.0°C., and a strong wind blew all day. Several species of plants were in bloom at this time in the Glamis area. The most obvious ones were: Helianthus tephrodes (1st blooms for some mo.) Paloformia linearis Mentzelia Petalonyx thuberi Eriogonum deserticola Dalea emoryi Pectis popposa Chilopsis linearis Croton calif. We reached UCR at 1735 after a 511 mile trip (total). We caught 105 animals of 6 species. Of these, 47 were marked and released (2 Urosaurus graciosa, 45 Uma notata ). Ed Eberle took 67 and 30 Uma notata for his senior thesis project. The rest were brought to the laboratories.
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Mayhew 1961 Journal 89. Oct. 8 Glamis area, Imperial Co., Calif. Totals caught were: Uma notata - 4 Callisaurus draconoides - 3 Coleovyx venegatus - 1 Phrynosoma micall - 5 Diposaurus dorsalis - 2 Urosaurus graciosa - 10 (6 species) 105 Oct. 10 Palm Springs area, Riverside Co., Calif. Walt Moberly & I left UCR at 0810 for our monthly collecting trip. We reached Grandaddy Dune at 0930 & began to look for lizards at 0945. We searched this site until 1200, at which time we collected our soil sample. There was no wind at all until about 1100, when a very light SE breeze arose. This was one of the nicest days, weatherwise, I've ever spent at this location. Animals were not too abundant, but we caught a few. Of those captured, 6 were toe-clipped & released, 1 marked animal was caught & released, & 8 were returned to the laboratory, making a total of 15 animals caught at this site. We then drove to Palm Springs Panorama & looked for lizards. Although the weather was still very nice, few animals were to be seen at this time of day (1230). (all Uma imbricate)
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Mayhew 1961 Journal 90. Oct. 10 Palm Springs area, Riverside Co., Calif. We looked for lizards from then to 1500, but saw very few. After leaving the Panorama, we went to the Ranch Country Club by way of Vista Chino. We captured 6 more Uma inornata and one adult Dipsosaurus dorsalis. This is the first adult of this species that we have captured in October. Usually all the adults are hibernating by this time. We saw tracks of several young Dipsosaurs, but we could find no young animals of this species. We returned to UCR at 1610 after a trip of 119 miles today. We caught a total of [illegible] Uma inornata, 7 of which were released, and 1 Dipsosaurus dorsalis. We saw 2 Callisaurus draconoides, but were unable to capture either of them. Oct. 12 Dale Dry Lake, San Bernardino Co., Calif. Walt Mobely & I left UCR at 0720 for our monthly collecting trip. We looked for lizards from 0920 to 1230 in the vicinity of the old pump house about 2 miles west of the Iron Age Mine Road. Adult animals were reasonably abundant in this location. However, young animals were very scarce - I saw one juvenile on (Uma scorpia)
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Mayhew 1961 Journal 91. Oct. 12 Dale Dry Lake, San Bernardino Co., Calif. the entire trip (Uma scoparia). A few large immature Uma scoparia and Dipsozaurus dorsalis were captured. at 1230 we drove 2 miles east of Iron Age Mine Road to check the traps we have set near a gravel pit. Three immature Uma scoparia were taken from these traps, as well as a number of beetles. An adult ? Crotaphytus wislizeni was found in the act of eating an adult ? Uma scoparia. Both animals were collected. Then we checked the traps near the Iron Age Mine Road & gathered the soil sample. We marked & released 5 young animals, & measured 3 toe- clipped animals that were recaptured. We brought 25 Uma scoparia and 5 Dipsozaurus dorsalis back to the laboratory with us. The Dipsozaurus all were young animals. No adult Dipsozaurus were even seen. All the Uma scoparia that were brought back were adults or nearly adults. We were surprised to find the Uma in such fine shape this month. They were fat as butterballs, probably due to the rains the past few months. We reached UCR at 1700 after a trip of 217 miles.
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Mayhew 1961 Journal 92. Oct. 12 Dale Dry Lake, San Bernardino Co., Calif. Plants that were seen in bloom today were: Alrosia villosa, Pectis papposa, Palopsia linearis, Petalonyx thurberi, Dalea emorgyi. Franeseria dumosa is now in seed. In all, we captured 39 animals today, 7 of which were marked & released. We brought the following back to the laboratory: Uta scoparia - 25 (adult or adult?) Diposaurus dorsalis - 5 (immature) Cnemidophorus tigris - 1 (adult) Crotaphytus wiligeri - 1 (adult) Oct. 20 UCR, Riverside Co., Calif. all the animals in the indoor cages have developed noticeably reduced appetites. Even those in the 24 hour cages eat relatively little compared to what they were a week ago. A few of the Phrynosoma micelli have become quite sluggish, but most of the others seem about as alert as ever. Nov. 2 Val Verde, Riverside Co., Calif. I left UCR at 1315 to see if Sceloporus greutti was hibernating yet. Between 1330 and 1515 I saw 2 adults, 1 immature, and 3 juveniles. The time was spent along Cajalco Road, Wood Road, & Markham Road. In addition, 9 Uta stansburiana and 1 Sceloporus occidentalis were seen during the same period. I caught only 2 of the
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Mayhew 1961 Journal 93. Nov. 2 Val Verde, Riverside Co., Calif. journal S. orcutti. They were measured, their temperatures recorded, & they were brought back to be released beside LSB on the UCR campus. The air temp. (1 meter) varied from 19.0°C. (when I reached the site) to 17.2°C. (when I left). S. ocutti were seen at both air temp. I returned to UCR at 1530 (left Val Verde at 1515) after a trip of 30 miles. Nov. 3 UCR, Riverside Co., Calif. None of the Phrynosoma m'calli show any appreciable appetite any longer, in contrast to the 3 species of Uma + Dipsozaurus dorsalis that are being held in similar cages under similar conditions nearby. The Uma inornata in the 24 hour incubation cage were moved into the 24 hour growth cage with Dipsozaurus dorsalis & a few young Uma spp. Otherwise, I couldn't tell whether U. inornata laid any eggs or not. Temperature condition are very similar in the 2 cages (see below), & lights are on for 24 hours in both cages. Therefore, these animals should develop in the same manner. It also reduces the number of animals in the Uma cage now only 29 (15 U. notata, 14 U. scoparia).
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Maylew 1961 Journal 94. Nov. 3 UCR, Riverside Co., Calif. Soil surface temperatures in these 2 cages are as follows (°C.): 24-hour growth cage: 33.8 38.0 38.2 40.2 33.5 33.4 37.5 37.5 39.5 33.5 32.4 36.6 35.0 38.8 33.5 24-hour incubation cage: 30.8 35.8 31.6 31.0 36.0 31.0 28.8 33.2 31.5 All animals in the incubation cage were checked for length growth & for breeding colors. (Growth data recorded in the animal's individual record sheets). Breeding colors data follow: Ura inornata No. Sex s-v Breeding colors present Remarks 9 ♀ 68 none no eggs 12 ♂ 69 none no eggs/hemipene 14 ♀ 62 slight no eggs 16 ♂ 74 slight no end. hemip. 18 ♀ 62 none no eggs 21 ♀ 60 slight .. .. 22 ♀ 62 slight .. .. 27 ♀ 73 none .. .. No eggs could be felt in the body of any ♀ of this species.
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Mayhew 1961 Journal 95. Nov. 3 UCR, Riverside Co., Calif. Uma notata no. sex s-v Breeding colors present Remarks 3 ♀ 64 yes no eggs 9 ♀ 70 none (large egg (vary) 13 ♀ 74 slight no eggs 14 ♂ 72 " enlarged hemipenes 16 ♀ 66 " (large egg (vary) 17 ♀ 69 more no eggs 18 ♀ 66 " no eggs 22 ♀ 65 slight " " 25 ♂ 72 yes enlarged hemipenes 26 ♀ 71 slight no eggs 27 ♀ 64 " (very thin) no eggs 29 ♀ 71 " no eggs 31 ♂ 78 " no enlarged hemip. 47 ♀ 69 " no eggs 49 ♀ 66 " (very thin) no eggs 52 ♂ 75 none no enlarged hemip. One of these animals laid an egg today in the cage on top of the sand. Since only #3 Uma notata, of all the ♀ present in the cage, is in breeding colors, it seems quite probable that she is responsible for the egg. It was dessicated when I found it, so I am unable to tell whether it was fertile or not. Since one of the ♂ is also in breeding colors, mating may have occurred.
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Mayhew 1961 Journal 96. Nov. 3 UCR, Riverside Co., Calif. Uma scoparia No. Sex S-V Breeding colors present Remarks 16 ♂ 65 none no enlarged hemipenis 20 ♀ 67 " no eggs 22 ♀ 62 " " .. 23 ♂ 65 " no swl. hemip. 24 ♀ 63 " no eggs 25 ♀ 60 " " .. 26 ♀ 62 " .. " 28 ♂ 60 " no swl. hemip. 31 ♀ 63 " no eggs 32 ♀ 61 " .. .. 33 ♂ 63 " no swl. hemip. 124 ♀ 58 " no eggs 172 ♀ 59 " " .. 192(+20)♂ 64 " no swl. hemip. Val Verde, Riverside Co., Calif. I left UCR at 1230 to look for more Sceloporus orcutti, reaching the collecting site at 1300 (corner of Markham and Brown Roads). From then until I left at 1445, I saw 7 Sceloporus orcutti (1 ad ♀, 2 immatures, 4 juvenals) and 4 Uta stansburiana. The air temp. (meter) ranged from 23.8°C at 1300 to 23.0°C. at 1445. Two animals were captured, one of which was released at the capture site. The sky was sunny & almost no breeze was blowing. I reached UCR at 1505 after a 2.3 mile trip.
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Mayhew 1961 Journal Nov. 16 UCR, Riverside Co., Calif. Temperatures in cage #3 (11 hour growth animals) was checked this afternoon shortly before the lights went out, in order to see what the maximum temperatures are in this cage. The results: 33.5 37.0 34.8 34.6 33.0 35.0 38.4 37.8 42.4 37.8 36.0 40.0 39.0 45.0 39.8
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