Field notes, v1310

Greer, Allen E.

1975

Museum of Vertebrate Zoology, University of California, Berkeley

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Greer, A. 1975 Journal Texas Mexico

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NORTHEASTERN MEXICO 23 APRIL - 12 MAY, 1975 The purpose of this trip is two fold: (1.) to Collect the rare, legless, blind, burrowing lizard Anelytropsis papillosus and (2.) to collect Those species of neo tropical plethodontids that occur at the periphery of the radiation in northeastern Mexico. The people on the trip were as follows: Allen Greer (A.G.), Philip Greer (P.G.), Sam Sweet (S.S.S.) and Jim Hanke (J.H.) The trip was financed by MVZ, Dave Walter's NSF grant and by personal funds. All specimens are in the Museum of Vertebrate Zoology, Berkeley, Calif. (MVZ). 23 April Left Berkeley at 3:30 PM and took Hwy 24 to Interstate 580 and then onto Interstate 5 South. Stopped at junction Interstate 5 and Hwy 58 for dinner at about 9:00 PM. After dinner took Hwy 58 east through Bakersfield and Tehachapi Pass. Stopped for the night on a side road just NW of Mohave. Wind was blowing and night was cool. 24 April Awoke at 7:00 AM and were on the road by 7:15 PM. Drive into Mohave for breakfast. Left Mohave going west east on Hwy 58 to Hwy 395 which we took south to I-15. From I-15 we hit I-10 and stayed a bit to the

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present which is the roadside rest in the hills of the Texas Canyon. Stopped for lunch in Blythe around 1 PM and for dinner in Tucson around 7 PM. Stopped for the night at 10:30 PM. Looked around the rock outcrops on the south side of the road for about 45 minutes but found nothing - no snakes nor lizards on the rocks. 25 April Awoke at 7:05 AM and got on the road at 7:30 AM. I had a Cassin's Kingbird around the camp as we loaded up. Drove into Willcox for breakfast. Continued east on I-10 and had lunch in Las Cruces about 1:00 PM. Went through El Paso and then dropped south on U.S. 90 at Van Horn. Had dinner at Marfa at 7:30 PM and then night drove from there to the Pecos River scenic overlook where we spent the night stopping about 1 AM. The night was hazy with a full moon; warm but with a faint stiff and even wind. Found the following snakes in (Hwy90s) The road between Marfa and the Pecos River. Pituophis melanoleucus : 3.3 miles E. junct. Hwys 90 & 385 in Marathon. Not saved. Crotalus atrox : 27.2 miles E. junct. Hwys 90 & 385. Not saved Masticophis taeniatus : 4.0 miles E.

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q east edge of Sanderson; not saved. Crotalus atrox: 11.6 miles east of Dryden; not saved. Elaphe west of Cedar Station. Picked up alive but had been hit and died during the night. The vegetation on either side of the road at the spot appeared to be short grass range with no trees and few, if any, bushes. Catalogued by T. Hanken. Photographed after death. Earlier in the day, before dinner, we picked up a Phrynosoma 15.2 mi. S.E. Valentine, Presidio Co., Tex. Catalogued by S. Sweet. Found on the side of the road, perhaps had been basking. Short glass range on either side of the road; no trees or bushes. Photograph of specimen. 26 April Awoke at 8:00 A.M. to a complete overcast and a very thin aerosol mist-like haze in the air. Wind still blowing strongly. Had breakfast in Del Rio and then drove back west on Hwy 90 to Four Mile Cave which is 3.5 mi. NW Del Rio on Hwy 90. Sam and

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Jim went down into the cave and found the following: Synophis mean The mouth of the cave at the bottom of the sink hole. Eurycea sp. in the water well into the cave. Grayish white dorsally with bright red gills. Stage 3 according to Sam. Philip and I looked around the area above ground and saw a lot of new birds and I found the following. 1-2? Sonora episcopa - 2 individuals both under the same rock on the side of a draw above the cave entrance. Color: Light olive green dorsally and pale yellowish-white (the larger specimen) or nearly immaculate (the smaller specimen). Both snakes exuded a whitish liquid from the vent when picked up. Habitat shot & shot of the larger specimen. Left this locality and drove to San Felipe Springs or just below it where Highway 90 crosses the outflow from the springs. Took a swim, washed some clothes

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and pickled the specimens obtained to date. Got one Cnemidophorus gularis looking along the parking area above the Springs outflow. Phlyp saw another and we saw two more later on the road to The Springs proper to fill water bottles. Did some shopping i[illegible] Del Rio and then headed east along U.S. Hwy. 277 toward Laredo. Stopped at Sycamore Creek and a Kinney Co. on the north side of the road & the east side of the creek I got the following: Thamnophis proximus: found in a moderately deep depression with an isolated pool of water just next to the flowing water of Sycamore creek. Color: Head spot and anteriormost part of mid-dorsal stripe pale yellow with a faint orange wash, remainder of mid-dorsal stripe dirty orange; lateral stripe pale beige; dark color between mid-dorsal & lateral stripe dark brown; dark color below lateral stripe & above ventals very olive green; venter/pale green. Also saw, but did not collect, Cnemidophorus sp., Sceloporus sp. and Holbrookia.

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Continued on east on Hwy 277 through Eagle Pass and on the road between Eagle Pass and Carrizo Springs we found the following Phrynosoma both AOR and DOR. (1.) 23.7 miles W. Carrizo Springs but in Maverick Co. DOR but kept for a specimen. (2.) 13.8 miles W. Carrizo Springs Center, Dimmit Co.: a specimen AOR which was kept and a DOR individual not retained. (3.) 11.8 miles W. Carrizo Springs Center, Dimmit Co. DOR but saved. It would appear from this afternoon's results and from yesterday afternoon's results that Phrynosoma like to bask at the edge of the road during the late afternoon.

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Picked up Hwy 83 out of Carrizo Springs and took it all the way u to laredo. Picked up a Dor Crotalus atrox 57.2 miles ~~ SE of Carrizo Springs by road on Hwy 83. Time 9:15 PM 10:00-10:30 PM as Had dinner at La Mexicana restaurant in laredo: a local Mexican family affair This was very good. Drove our worth of town on I-35 + Hwy 83 to the first rest stop to spend the night. Wind blowing a steady Southwest as seems to be usual in these parts. 27 April Awoke at 7:30 AM and were on the road back into Laredo at 8:10 AM Got a couple of photographs of a Scissor-tailed Fly catcher. Drove into Laredo for breakfast and after doing some shopping we headed for Nuevo Laredo and the border. We got turned down, however, because of no metal license on the car. Sam also got turned back due to his long hair. After this rejection we head southeast along the border hoping to get u at one of the many border crossings. We tried Falcon and Roma los Saenz but got turned back at each place because of improper liscence of the

car. Between Falcon & Roma we even cut Sam's home (photo) but to no avail. We stopped at two roadside rests between Hondo and Roma los Saez and at each locality one Cnemidophorus sexlineatus was shot. The first was shot by zapata Co. Sam approx. 1 mile N. Lopeno, Lael The Second was shot by me approximately 6 miles NW Roma Los Saez, Starr Co both on Hwy 83. 4 Cnemidophorus sexlineatus : approx. 6 miles N.W. Roma los Saez, Starr Co, Texas via Hwy 83. After the setback at Roma we decided to head into Brownsville. Stopped at Rio Grande City to call Alice Landauer & let her know our problem and then proceeded on to Bentsen-Rio Grande State Park which is S.W. of Mission on Hwy 83. On the way there we stopped at the following two localities and collected. (1.) 0.6 miles W. by Hwy 374 of Perezville (measured from the junction Hwy 374 and farm rd. 1427) or 2.4 miles W. by Hwy 374 g Palmview (measured from the junct. of Hwy 374 and farm road 2062). Hidalgo Co. The locality is the S.E side of a canal & road. There is much trash & debris on a

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Scrub forest and most were found under the boards, palm fronds, etc. That covered the floor. Sam caught everything found at this location, as follows. Eumeces: 7 + 2 that got away. Many in palm litter Sonora episcopa: 2 Both have darker dorsal areas on the head and one has a similarly colored neck ring connected by a dark longitudinal stripe to the dark dorsal color of the head. Under mosquito log together. Gopherus berlandieri: 1 & Photo (2) A few hundred yards further east down Loop Road 374 we stepped at another pile of trash and debris - more metal, a mis can and trashcan looking. Sam found 1 Hemidactylus fuscicus. Went on into Bentsen-Rio Grande State Park, found a campsite and cooked dinner. Then went back out to a pond just below the entrance to the park to collect water snakes and frogs. Pond just below the entrance to the Bentsen-Rio Grande State Park Habitat photo. Collected the following along the grassy

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west shore of the pond. Bufo marinus : I collected by Sam Sweet on a spit of mud extending out into the lake. Has a charming chiruping - like release call which it gave frequently in the bag. 5 Bufo valliceps : I caught one, and Sam caught one. Jim Hunter caught two. The specimen I caught was near the water. 6-11 Rana berlandieri : I caught 6, Sam caught 12 and Jim Hanker got 2. Most of these were either in the water or at the edge of the water. Curiously the frogs, especially the larger ones of which several got away, hopped toward higher ground rather than toward the water. This may have been because the water snakes were in the shallows feeding. Many of the frogs are transforming (tails yet) or are recently transformed. Only a couple of really large frogs were seen and Jim caught one of these. 12 Natrix rhombifera : I caught one large one and Sam caught a second. I missed a smaller specimen. All three animals were hunting in the shallows at the west end of

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the pond. 13-14\u2713 Storeria dekayi: 2, both caught within 1 foot of the water's edge w thick but short trailing grass. One g more two was almost in the water. 15\u2713 Came back with Bentsen - Rio Grande State Park and Jim bagged two Bufo valliceps hopping around the camp grounds. I later found another specimen around one of the restrooms. 28 April Quitted about 7:30 PM and packed up. Went for a quick shower and a tour of the campground to check out all of the meat birds: Chachalaca, White-fronted Dove; Golden-fronted Woodpecker, Lichtenstein's Oriole; Curve-billed Thrasher, Inca Dove. Left the state park and took The Gopherus berlandieri back to its locality to release it. Photo taken.

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Continued east on Loop Rd. 374 and got a big Pituophis melanoleucus for on the east edge of Palmview or 2.8 miles west of Conway & 16th St. in Mission on Loop 374, Hidalgo Co. Entered Brownsville on Itwys 83 & 77 and stopped at an abandoned, dilapidated house on The Resaca del Rancho Viejo, Rts. 83 & 77, Brownsville, Cameron Co, Texas. Hunted around the house under the trash and boards and also in the field west of the house which was largely knee-high grass with open areas -- the whole field bordered on the west by Acacia's from The Resaca still further west. Got the following: 16-19 Cnemidophorus gularis : Sam got two, Philip Got one and I got three. These last four animals carry there field numbers. Generally saw three animals at the interface between the open areas and either the grass or the acacia trees. 20 Eumeces tetragramus Sam got one under a railroad tie and I got one in palm detritus. Sceloporus Sam got one

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"in a large tree near the 'driveway.' Masticophis taeniatus : I saw one between at the edge of the acacias and the road. About 2 1/2 feet in length. Reddish rust color on the head, light olive green ground color and two longitudinal light stripes. Drove into Brownsville and called around to the car rental agencies, to get their prices for vehicles in Mexico. Later called Alice who said the plates for the vehicle had been sent to Sanborn's NRA registered animal species agency. Now all we have to do is wait and hope the plate actually gets here in time to do us any good. Is this the end of the problems or another chapter. Left Brownsville driving east on Texas Hwy 48 and stopped at a spot on the north side of the road miles west of the junction of Hwy 48 & on Hwy 48. The locality is a raised hummock area in the middle of a low, flat area behind the sea front. Saw a Cnemidophorus sp. & Sceloporus species. Also saw several Gopherus berlandieri

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headed into their pallets. There were in the Tummlucks covered by acacia or Thorn scrub on the north side of the basically west-east running hummock. The tortoises were all headed into their pallets. There were many unoccupied pallets and all of the tortoise we saw had a good 1/3 - 1/5 of the rear part of the shell hanging over of the pallet. Later checked an area of trash along Texas Hwy 4 east of Brownsville and found nothing. After that checked along an irrigation canal just south of Hwy 4 and parallel to it and saw no hogs except for about 7-8 Rana frogs, some of which were as large as Green Frogs. Got none of rare, however, as they were very wary. Drove back into Brownsville and ate dinner at Bmanza where chicken fried steaks were on sale at $1.00 a shot. After dinner drove west of town and pulled off in a grove of trees where a house had once been. The night was passed very pleasantly save for the slight interruptions and inconvenience cased by two different Sheriffs' patrols asking what we were doing; a swarm of the most fierce mosquitoes I have ever seen; a vivid storm of 30 minute duration that approached hurricane

proportions, and a semi-trailer truck that was parked opposite us on the street with the motor running for the last four hours of our stay. May Dick Anderson of the university garage be consumed by mosquitoes on his final day. 29 April Awoke at 10:00 AM to a farmer plowing his field next to us. Out off and went we Itarungi for breakfast which we finished around 11:00 AM. From Itarungi we drove back south again to pick up Hwy 281 and drive east on this road looking for localities to kill time at before calling the woman at San Benito to check about the plates. We checked the following localities: 0.8 miles W. La Poloma (i.e., junct. Hwy 281 & Texas farm road 732), Cameron Co., Texas. An drainage old irrigation ditch paralleling a newer ditch just next to it. Fields on either side but much weedy growth in the relatively shallow water, & also good clumps of water hyacinths. Worked the ditch on both sides of Hwy 281 Thamnophis proximus: Sam got two and saw a third. Of the two snakes caught, the larger has a pale orange mid-dorsal stripe on an essentially brownish (not olive green) area below the large lateral stripe but above the tips of

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the ventrals. Natrix rhombifer : Sam saw me. Cnemidophorus sp: Jim saw two. Chrysemys scripta : I found a dead ? at the edge of the water at the bottom of the canal. Orange markings on the carapace and black blotches centered in each scute of the plastron. Not saved. Drove into the far west side of Brownsville to find a phone and call Sanborn's at around 1 P.M. No plates according to Mr. McCormick. So headed back out Hwy 281. Route paved cut-off to Villa Nueva and worked a locality. Vicinity Villa Nueva (0.6 mi. W. junct. Hwy 281 & Farm Road 802 on Hwy 281), Cameron Co., Tex. Irrigation canal area again but this time we worked a small ditch below the canal & paralleling a fenced field - where there were several frogs - and a more or less open area between another an elevated patrol road & an acacia bordered open field. The Cnemidophorys abundant in th.

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open area. Also worked briefly N of er (small) Side g the raised road. x x raised x road bed x X xxx xx xx open field irrigation canal Hwy 281 N x's mark areas worked 21-22 Cnemidophorus sexlineatus : Shot along the open area between the elevated road and the acacia bordered field. Sam and Tim got others in the same area Sceloporus sp. Tim shot at one on the south side of the raised road i' an area g this acacia trees. Got away. was seen on the ground & fled to a tree. Pituophis melanoleucus : Sam got one out of a woodrat nest. Rana sp. In the small drainage area to the west of the open field. Got a good look at one large individual : It had dark dorsal spots & light(?l dorsolateral ridges,

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Drove back into Brownsville to call Sanborn's again, only to learn that the plates had not come in as yet. Then went shopping for some supplies & checked into a Motel 6 for the night to try to recoup some of last night's losses. 30 April Got up at the leisurely hour of 9:30 AM and went down for breakfast in the motel cafe. After breakfast drove we town for some shot at Whitman's. They had none but Sam brought a hat and Philp brought a pang fatigues. Called Sanborn's & discovered that the plates had arrived so we went by to pick them up and be on our way. The plates look suspiciously like the old MVZ plates, but anything will do. Did a quick grocery shop & then crossed the border at Matamoros without a hitch. Headed South on Mex. Hwy 101 after a little difficulty getting out of Matamoras. Drove all the way to Ciudad Victoria on one tank of gas - just over 200 miles on one tank. Picked up Mex. Hwy 85 south to then turned off to Gomez Frias where we camped at the end of the main road -- across from the house of Senor Timothy Alvarrez -- or at least that is the consensus of the group about what he said his name was.

Mr. Alvarez showed us the road to Rancho de Cielo & also drew us a map which is here included with additions by me. Photos on the way: (1.) Pictures of The Thorn Scrub 108 km N. of Cd. Victoria. Looking east. (2.) Pictures of the Lowlands from the lava outflow just south of the Tropic of Cancer, Volcanic plus, part of lava flow & coastal plain. Sierra to my back. looking east. Walked part way down the Rancho del Cielo Rd. until it got dark & then returned for a light dinner out of cans, a couple of beers and then to bed around 11 PM. Saw saw & snot at a large brown lizard on our walk down the path but did not get him. Impressions along the drive south. Matamoros is a dump and the road south of there is bad. The vegetation is similar to that around Brownsville - this is largely semi green acacia. Further South there is dry gray thorn forest on a fairly flat plain. This becomes slightly more rolling with a couple of areas of hills but then flattens out again before Cd. Victoria. The Sierra really jumps rises abruptly from the coastal plain at Cd. Victoria, South of Cd.

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Victoria one drops off the a lava outflow of the Sierra and then winds through the coastal plain into Thorn forest before reaching Galeana Canyon. At Galeana Canyon we rise briefly through the canyon to hit tropical deciduous forest. The road to Gomez Frias rises rather steeply & the town itself is situated on a narrow ridge paralleling the Sierra. It is a beautiful, lush town with friendly people. 1 May Arose about 7:00 PM with a feeling of anxiety about at least getting dressed before the bulk of the population were about their business - earlier, about 5:00 PM, some of the local young men met below our street light to avoid being picked up for work, and while they waited they sharpened their machetes causing us some mild anxiety. Starting walking the road to Rancho del Cielo but got picked up by a truck going to a forest cutting on the way. On an interim walk along the way at the place marked by an A on the map, we saw a Padre Coral Snake in the park: Sam bagged it. We got off on the Rancho del Cielo road when our side turned off near the place

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Map y Gomez Frias Area & Real to Rancho de Cielo A B Rancho de Cielo Senor Cordoba Gomez Frias Drawn by Senor Timothy Alvarez

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Where I believe we got off is marked by a B on the map. Here there were tank bromeliads, oaks, raspberries, etc. [illegible] we looked into several bromeliads & then started back down the road. The following were collected along the way. 23-24 Chiropterotriton chondrostega Sam got five, Jim one and Philip and I each one, Three last are catalogued here. These specimens were all taken from tank bromeliads. Sam got two specimens in one tank bromeliad. Drymobius Saw one as we began the ascent from the valley into the Sierra Madre. Sceloporus variabilis: Sam got three and one more when he went back to look for his machete in the valley between Sierra de los Mangos and the Sierra Madre, On the rocks in the leaf litter along the side of the road. Scincella siuicolum: Sam got one & I saw another in the leaf litter along the side of the road. Arolis Sam got one in the valley between the Sierra de los Mango & the Sierra Madre as I ran across the road.

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"will no develop throat color. Anomius undulata Sam got one along the side of the road in the leaf litter in the valley between the Sierra de los Mangos and the Sierra Madre. Returned from the walk down absolutely exhausted and sat around recuperating until about 5 PM when we picked up cars and moved to a quarried out area on the west east ~~west~~ side of the Sierra de los Mangos on the Gomez Farías Road. Got the following at this locality between approx. 5:30 pm and twilight. Sceloporus variabilis! Sam got one and I got two which bear three tags. I also "got" two others which got away. All the lizards I saw were either on rocks, trees or we are near a bank fronting a patch of Thorn scrub. This locality is low deciduous tropical forest which has not come into leaf yet. There is great plant and bird diversity too -- much more so as comparable latitude on the west coast.

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General observations: The Sierra here is largely Cretaceous limestone with many fossil white brates embedded in the rocks. There is no stady or running surface water anywhere nearby and the people of Gomez Farías use spring water. There is no clear stratification of the vegetation with the Sierra, as there may be in western North America. 2 May Got up around 7:30 AM to find the sky overcast with the smoke from the burning corn cane fields. This smoke was to leave us for the rest of the day as we went down the east side of the Sierra to the coastal plain. I worked around the campsite from 8:30 - 9:00 AM and saw several Sceloporus - presumably the same species as yesterday - two got none. Saw no other lizards. Went further south into Ciudad Mante for gas + ice and then back to the Ocampo road which runs west off Mex. Hwy 85. Drove to the town to check out the river which is nearly non-existent there & then back out

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Stopped on the west face of Sierra de l Abra mean the crest along the road. They had removed a lot of flagstone-type rocks from the area and there were many other such rocks scattered around. The soil is black and the whole face was hot. Saw Sceloporus variabilis(?) in the trees and on the ground and saw a couple of Cnemidophorus sp. in the road out at the crest. Continued east to the Ocampo road (Mex Hwy) where it crosses the Rio Comandante. Worked along the north side of the river collecting and observing the following: Cnemidophorus Saw six, Jim got one and I got one. They were in the brush along the road above the river along the river. Very hot and very fast. Holbrookia I saw one along the river in fine gravel. Ctenosaura I saw two individuals - one large one in the wash at remains of a cement bridge and a smaller one in vegetation along the river. Both had well developed whorls of spines on the tail. Sceloporus variabilis In the brush and trees above the river on the crest of the bank.

Continued on into Ciudad Mante and then south to Hwy 80 which we took west into the Sierra Madre to the crest of the mountains. The vegetation is dense tropical deciduous forest with no place to pull off & work hence we turned around at the crest & returned to Hwy 85 South. Took this to Ciudad Valles where we gassed up and started into the Sierra again on Mon. Hwy 70. Turned off on the road north to Rascon & stopped to work a cleared, [now] second growth area on the south slope of a ridge. Saw nothing but one B. Cnemidophorus . The people along the road seemed unfriendly and since our plan was to take this road as part of a ground circle through Rio Verde and Jalpan over Xilitla to Cd. Valles , we decided to return to Cd. Valles for the night and begin again in the morning. Stayed at the Hotel Valles trailer park for 26 pesos. Had a good hot shower & dinner and then Sam and Jim went out to collect the geckos on the hotel walls. These were Cehyra mutilata and they got a total of 9. Jim also got one Soricisca beaudini . The locality for these animals is Hotel Valles, Ciudad Valles, San Luis Potosi Had a brief visit from some fairly drunk but polite youngs who had hitchhiked down from San

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Luis Potosi for the weekend and were our only companions in the trailer park part of the hotel - which was obviously filled to capacity. Finally got to sleep around midnight. 3 May Awoke about 7:30 AM to the sound of the street noise from the main highway that passes the front of the hotel. Picked all of the animals that we had hoped to photograph and have been carrying around. Finally set out on the road to San Luis Potosi (May 70) that we had started out on yesterday. We stopped at 3 localities along the road as follows. El Venadito, San Luis Potosi. An oak forest that had apparently had the ground cover burned off and then regrown. Locality below the crest of the Sierra Sceloporus variabilis: Sam and Tim collaborated on two specimens - both Tim tagged. I got me off the rocks of the road out. 0.9 mi. E Vicente Guerrero, San Luis Potosi. An oak bounded field covered by scrubby brush & acacia. North side of road. In the Sierra. Sceloporus variabilis: Sam got me off a log along the fence and several others were seen on trees, rocks & the ground.

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Other alternative designations for Anelytropis locality below: 0.6 miles E. of km. 110 on Hwy. 70 and 9.0 miles E. of La Boquilla on Hwy. 70 15.3 miles E. Rio Verde via Hwy. 70, San Luis Potosi, 1:00 - 2:50 pm Avery arid area on the plateau west of the Sierra Madre. Worked a south flowing gully (dry) for Cnemidophorus and found 2 Anelytropis papillosus instead. Both specimens were under a white flowered bush (flowers, fruits & leaves collected) at the leaf litter - loose soil interface on the downhill side from the main trunk of the bush They were found under. The smaller specimen was found on the west side of the gully & the larger was found on the east side. The technique employed was exactly that used in hunting for [illegible] Anniella in California - just raking away the leaf litter layer & then raking away the loose soil beneath. The larger specimen defecated a blackish substance and bit me, and both specimens wriggled violently when held in the hand. The smaller specimen was pinkish in color ventrally & brownish above. The larger specimen lacked the pink ventral color.

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Continued on into Rio Verde where we gassed up & bought Sadas and then took the road SE to Pedro Montoya, San Ciro & Jalpa. The area SE of Rio Verde is a very prosperous agricultural area. Took some habitat shots 4.4 miles N.W. of the San Luis Potosi - Guerrero State line. Came down through a spectacular barranca of a tributary of the Rio Santa Maria & took a photo of the Rio Santa Maria gorge from the bridge across the rio (looking east) Stepped on the road to Jalpa at a tributary of the Rio Santa Maria 0.4 miles W. of El Trapiche, Guerrero. The tributary is lined with many very large and spectacular cypress. 31-32 Rana Jim saw nine small specimens and I got another plus one tadpole. All from along a stretch of the creek by the road. Jim saw a Sceloporus. Passed through several small mountain ranges around Jalpa and then east of there. Cought Mex. Hty 120 at Jalpa. Came up a steep canyon on Hty 20 and over the crest

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entered an oak forest with orange red soil. we camped in the forest just S.W. of El Lobo and just immediately west of the Tres Lagunas road. There are many rotting logs on the ground which looks inviting, also Sam has a couple of sink holes in the area for salamanders. We will work the area tomorrow. 1 May Woke up at 6:30 AM to lots of birds tooling around the oak canopy. Ate some breakfast and wrote field notes before heading for a spot west of our camp site as follows 1.8 - 1.5 miles west of the Tres Lagunas cutoff along Mex. Hwy. 120. Area of oak and madrone on both sides of the highway. 9:45-11:30 AM Sceloporus torquatus This species is common on the rocks and fallen, rotting logs. The lizards were easy to dig out of their retreats if those were in the fallen logs or small rocks. Many apparent hatchlings of which some of these are representative. Eumeces lynxe belli Sam got one out of a pine pole on the side of partly sunny - partly shady ravine. Color in life: brick reddish wash on infraorbials, chin and throat. & Crotalus triseriatus aquilus I got this snake

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from beneath a rotting stump out in the sun. was curled in a depression beneath the side of the stump. Ventral part of chin & lower labials with a faint pink wash Continued east on Mex. Hwy 120 to the town of Ahuacatlan, San Luis Potosi. Jim and Sam went to the sink hole that supplies the town with water - this is just east of the town and Philip and I went to find the cave near the cathedral in the center of town. Cave just east of Ahuacatlan, San Luis Potosi. Jim and Sam went into this cave and got two Syrrhophus longipes, Cave just SW of the church in Ahuacatlan, San Luis Potosi, Mex. There were two parts to this sinkhole, one a horizontal hall-like shaft going in about 30 yds from an opening about 10' below the surface. In this part we got several Syrrhophus longipes two of which are catalogued here & many chiropterotriton magnipes 13 of which are catalogued here. The frogs were found on horizontal ledges in the cave & the 38-39 40-53

Salamanders were on the vertical walls as well as the horizontal ledges. The salamanders appeared very pale in the cave but considerably darker when we were pickling them later. The other part of the sink hole is a vertical short horizontal shaft off an antechamber. I collected a (#53) large Chiroptero triton (and a mass of eggs) at (54) The vertical wall of the antechamber. The eggs were on a slightly sloping shelf off the vertical t were strung out in a string oval in shape: [illegible] The salamander near the eggs moved slowly toward a crack. She was first seen just a few mm. away from the eggs -- not touching them. Sam saw two more Chiroptero triton in the cylindrical vertical shaft off the antechamber of this second part of the cave. Left Ahuacatlan and drove east on Hwy 120 through Xilitla and above a very large laranca to Mex. Hwy 85. Took this way north to Ciudad Valles & checked in at the Hotel Valles. Had dinner w the restaurant and then pickled the days catch. Sam made a couple of forays through the hotel for Gebyra mutilata and got several. The place is what you could easily call "infested" with teen geckos. I'm bed about 1 AM.

5 May Woke up about 8:50AM and got off about 9:40PM. Day began oppressively hot - perhaps the hottest and most humid we've had yet. Headed south of Cd. Valles on Mex. Hwy. 85 the plan being to go as far south as possible on this road in one day while checking the likely looking Anelytropis habitats on the way. As it was not checked several areas, only one of which had herbs and we ended up in the highlands of Hidalgo at a good trout area to look for Salamanders. The only good shooting we had along the road was as follows: Grounds of the Hotel Covadonga a few miles south of Covad Valles on Mex. Hwy 85 This is a large resort hotel we've removed from the San Antonio Spring of Cd. Valles. It has large extensive grounds including gardens, a large, now dry swimming pool, and a golf course. There is a stream running through the grounds on the east side and the gardens water a good deal. It was all the water and the lush vegetation that made the place an oasis in this otherwise dry area and that made it so attractive to us. We worked the grounds between 10:10-11:25 AM and found only the following: Physophya venulosa 2 found are

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sitting on an elephant ear branced leaf partally covered by another leaf from another plant. The plant the frog was on was one , several bran chies growng together in a clump just outside of the hotel grounds when the stream flowng through the ground enters the groun. Color in life: Dark blotches on the dorsum & limbs are dark olivi brown and the basic ground color is very light chocolate brown. Iris gold color with dark black streaks radiating outward from the pupil. Immaculate water. This description from the cold animal freshly taken from ice chest, when first caught the frog was more generally grayish in color. Ctenosaura Caught in: the dry swimming pool where she had fallen in and been trapped. We all ran him down and I'm caught him. Thannophis Sam caught this one along the small stream course as it flowed through the golf course. There was 1 ft high grass along the immediate edge of the water but there cut fairway immediately bordering this grass.

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Tadpoles Sam Scoop out a bunch of tads from an even manner part of the stream between the ferrways. Stumbled back to the hotel bar to down two 7-ups apiece and recover from the severe heat and humidity. Temp w shade according to thermaneter in the bar: 34°C. Continued south on Mex. Hwy 85 and tried several froggy looking areas - elephant ear clumps (but with no water beneath), streams, and creeks. Found nothing. At Tamazunchale the road starts to go up into La Sierra again. We continued on the road into Hidalgo but stopped at a transit area near Puerto de la Zorra where I. Riddell told Sam there were sink holes with Chiropterotriton mosaueri. We found several sink holes but Sam deemed them to deep to enter so we will look for shallower ones tomorrow. Camped in a grassy swale just a few hundred meters up the road from the cutoff to Puerto de la Zorra. Sky was overcast at dark & we had a fun

sprinkles until wind the late is [illegible] cleared off and got still. Had a good cool night's sleep except for the many trucks that seem to come out after dark on [illegible] nearly Mex. Hwy. 85. The least area we are in is just a few miles north of Jacala via the hwy. May Awake at 6:30 PM to the sound of some passing farmer asking Jim for a drink of water and then a cerveza. Got up, had breakfast, wrote up field notes. Went back down the road a few hundred Puerto meters to the Puerta de la Zorra area along Hwy 85 in Hidalgo. An area of oaks, a few pines and madrone. Does not appear to be as high as the El Lobo area just north of here on Hwy 120. Sam went down two sink holes but both were very dry and there were no salamanders to be seen. We saw lots of Sceloporus but the only ones we actually got were two of Jim's. The males were blue headed with a large rusty mid dorsal blotch on the shoulder area. The Sceloporus were on the lime stone rocks and the nearly trees as well.

Packed up and started back down July 85. Last night's camp site was, therefore, the furthest south we penetrated on this trip. Took a couple of photos of the cultivated mountain tops in the vicinity of Cuesta Colorado, Hidalgo which is just below Puerto de la Zorra. Found a badly flattened Dorz swathe ([illegible]) on July 85 0.9 mile SW of the Hidalgo-San Luis Potosi line in Hidalgo; near Cantil de la Gringa. Gassed up & cooled up at Tamazunchale and then headed north again. Checked several sites along the road that looked like they might be good Anelyropsis habitat, i.e., shaded areas beneath trees with leaf litter -- there were generally orange & mango groves. At one site -- El Laurel, San Luis Potosi Sam caught two Anolis while sating the leaf litter at the buttresses of large trees. Continued north to Cusack Valles & pulled in for the night at the Hotel Valles where Sam caught several more Gehyra mutilata.

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The burning of the cane was very heavy this afternoon as we were going north from Tananzuchale. Perhaps they are trying to get it all done before the rains come. At any rate the air is thick with smoke, there is a pleasurable gloam over everything & the sun hangs like a red disc in the western sky above the Sierra. May left Ciudad Valles about 10:10 A.M. after having got gas, water and ice. Drive north on Mex. Hwy. 85 in order to pick up Mex. Hwy 80 across the Sierra and then Mex. Hwy 161 back across the Sierra to Cd. Victoria. Stopped at several likely locations Anelytropis habitats without success. Those stops at which we got other specimens are as follows. 21.2 miles S. Tamaulipas - San Luis Potosi State line on Mex. Hwy 85 in San Luis Potosi: Thorn forest on either side of a creek bed with small isolated pools of water. Deep cracks in the ground from the severe dryness. Sceloporus variabilis. Sam and Jim each got me and many more were seen

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both on the ground and in trees. Ameiva I'm and I each saw one. Cnemidophorus Saw several. Phrynosoma venulosus: Sam got two - the larger specimen from an elephant ear leaf and the smaller specimen from the only an elephant ear troneliad. El Salto San Luis Potosi - just north of Mex. Hwy 80 along the Rio Valles and near the base of the now dry falls (the water has at least been partially diverted by the nearby power plant such that the falls are completely dry during the dry season). Eleutherodactylus Sam got one under a stone in a damp back water in Rio Valles below the falls area. Tadpoles Sam got several from a back water with water. I got a larger one from a small creek flowing through a limited quick sandy pool area.

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Continued west on Mex. Hwy 80 into the Sierra and spent the night at the forest fire tower at the crest of the road across the mts. It had brief showers early in the evening and a good deal of lightening - must rain we've had so far. 3 May. Up about 7th and set off to hunt the area after putting gear away. No breakfast this morning as it's too humid, the dishes were left dirty from last night & there's not that much left to eat. That's all that appealing. Fire tower 2.0 miles E. Agua Zarca on Mex. Hwy .80; San Luis Potosi. The hilly crest of the road over the Sierra. Mostly oaks - many bromeliads - although the funky bromeliads that we found a Gomez Faras are fewer in number here and lack water. The area looks like it could be rated as low grade cloud forest. There is an auxiliary house for the tower on the road at the base of the hill for the tower. The base of this hill behind the house has been cleared as have two L paths broad up to the tower. These cleared areas have rock outcrops (limestone) and behind the "house", at least, downed oak trees.

we worked the open area between our house at the base of the hill from 7:45-9:55AM with the following results. 56-57 Sceloporus variabilis Sam got several and I got these two. My two were from the large burned oak trees. Sceloporus jarrovi Tim dug this large specimen out of a limestone crevice. Photo. Masticophis Saw a large uncolored specimen dash across the west trail up to the tower. Not caught. Continued west on Mex. Hwy. 80 to our second locality for the day which was 6.7 miles E. Ciudad del Maiz, San Luis Potosi via Mex. Hwy. 80. The upper part of the area worked was park-like oak forest on the west facing slope through which the hwy. ran. The lower part of the area was an open acacia field & pasture with boulders bordering it on one side as a fence and on the other side (south side) as a fringe along the hwy. There were boulders, mainly lava, throughout the entire area.

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soil everywhere. N mex. thuy. 80. oak path oak path path open grown boulders S 58-62 Sceloporos spinosus found commonly in the boulders and in the oak trees in the lower, more open area but also above. Color of a 3 w life: Lateral part of venter pale green; throat turquoise blue. Photo of dorsal & ventral views of chilled animal. Sceloporos scalaris a smaller species found generally on the ground in the lower area, Sam got two. Sceloporus jarrovi found on rocks in the upper area, often out in the open. Sam got several, not seen by me on the east side of the road in the upper area & all of Sam's were collected in the down side (west) part of the upper area. 63-64 Sceloporus variabilis found by me only in the upper area on rocks & trees.

The four species of Sceloporus at the locality appeared to divide up the habitat in the area as follows. Sceloporus spinosus and Sceloporus jarrovi are the two largest species and S. variabilis and S. scalaris are smaller. Sceloporus spinosus appeared to be the most abundant, and it was also the most widespread -- and the most ecologically diverse, i.e., it occurred throughout the locality at both trees & rocks. Sceloporus jarrovi occurred only on rocks in the upper part of the locality. Sceloporus variabilis occurred at both such trees in the upper part of the locality. Sceloporus scalaris was the least common and was found only on the ground & rocks in the lower, more open part of the locality.

Color notes for a & L. u life: Throat and sides of venter purplish pink bordered ant, medially & posteriorly by blue but the blue border on either side not meeting medially. Two golden yellow spots on body at base of trow forearm. Anterior legs: one dorsal to the insertion & the other ventral. Underside of rear legs & vent area lighter yellow. 65 Cnemidophorus Sam got two and I got me here catalogued. Mine was stone running along the fence in the lower part of the locality. Photos of mouth, top and venter. 6 Scincella silvicola Philip got this one under a fallen nothip oak tree in the upper part of the locality. Another "flash of a tail" may see on the bank & later exactly where we caught this one so it could have been a second specimen. Color u life: Belly pale yellowish green. Photo of dorsolateral view. Laid two oblong eggs back in the lab at Berkeley. These are preserved along with the specimen.

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Continued west on Hwy 80 Through Ciudad del Marz when we got cheated by a faulty meter at the Pemex Station. Stopped in an acacia lined ravine 8.0 miles west of Col.del Mari to look for Amely tropisus. Saw only Cnemidophorus. Took photos of the habitat. Later started getting into a more desert-like habitat on the flats of the plateau and stopped along the side of the road (Mex. Hwy 80) several times as follows to look under yucca logs. 0.4 miles E. La Morena San Luis Potosi via Hwy. 80. A desert-like area with much Thorn scrub on the south side of the road and cultivated- or at least plowed- land on the north side. Looked for roosting yucca trees on the right of way on the north side of the road. 67 Sceloporus cautus from under a fallen, rotting yucca log. Another was seen but escaped. When chilled has virtually no chromatic color any place of head or body. Cnemidophorus Several seen

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Out more caught. A new species for us - has a bluish wash on the back. 68 Hypsiglena Philip found this one under a fallen, rotting yucca log. There were many invertebrates under the yucca logs: millipedes, centipedes, scorpions, tenebrionid beetles, etc. Also the ground was soft - almost ash-like. We thought all of these factors might make for good Anelytropsis hunting but we didn't find it. 4.3 miles W. San Rafael, San Luis Potosi via Mex. Hwy. 80. A slightly more diverse area than the last spot but essentially the same kind of habitat. Sceloporus cautus Jim got one from under a yucca log. Color in life: lateral belly patches bluish green medially facing to yellowish green laterally; belly patches bordered medially by black - this black not meeting medially. Throat dark but with a distinct later green spot on each side of the post. part of the throat. No other chromatic color. Hypsiglena Sam got one from out at the base of a dead yucca; in the roots.

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San Luis Potosi Junction of Mex. hwy's, 101 + 80/ South side of Hwy 80. Like the last place essentially. Sceloporus Sam got one inside a cactus. Cnemidophorus Sam got three and Tim got one. There were many around but all very hot and fast. Hypsiglena Under base of rotting yuccas. Masticophis Sam got one Small specimen. Color w/ life: Olive green facing to Dorsum olive green anteriorly changing to brown posteriorly; tips of tail reddish brown. Venter light yellow anteriorly fading to olive light green at midbody and reddish/brown underside of brown the tail. Labials same yellowish color on ventral part of throat. A thin light lateral line anteriorly fading posteriorly. Masticophis flagellum I routed a large yellowish specimen out of a rotten yucca, but it got away down a running hole at the base of a large Acacia. Continued on into Col. Victoria amavis after dark and stayed at the Frank Motel. Went into the Posta restaurant for dinner. Pretty good. The pass over De Sierra just west of Col.

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Victoria is spectacular and also a bit intimidating at night too. 9 May Got away from Cd. Victoria and drove north on Mex. Hwy 85 to Linares where we had lunch at a motel on the north side of town. Took Mex. Hwy. 60 west to Galeana. Made a false start north out of Galeana to search out a Chiropterotrix type locality, but to realize along the road that we couldn't get there that way. Came back to Galeana Galeana and continued west on Mex. Hwy 80 to Mex. Hwy. 68 which we took south to the town of Pabllillo - the alleged type locality of Pseudotempea galeana . Not being up with the area (too dry) we continued south about miles and marked a west facing draw and hillside as follow. 3.3 miles south Pabllillo, Nuevo Leon on Mex. Hwy 68. West facing hillside, a gully flowing west (but no water) and the flat of a north flowing stream bed below. Most of the upper reaches of the hillside were cut over and there was quite secondary brushy growth but further north, down the slope toward the gully, there were both oak & pine. The flats along the stream bed are relatively open with scattered oak & pine. Also, strangely, saw cholla which was in bloom and

reddish flower. Sceloporus jarrovi minor Jim & Sam got many of these animals off the soft gypsum walls of the upper reaches of the gully (photos). They would duck into the numerous crevices upon approach but the crevices could be pried open easily due to the crumbly nature of the rock. Color in life of 83: Head dark blue; color black; body yellow-green; tail and legs dark blue (but not as dark as head). Lateral parts of belly and throat dark blue - lateral parts of belly bordered medially by black. Black spot on side just anterior to insertion of rear leg. Color in life of 72: Dull brown over all; dorsum; posterior light border of collar faint copper gold in some specimens. 70-71 Sceloporus parvus Found under logs on the cleared upper slope. Hand caught in the debris under the legs. Color in life (#70): lower sides anteriorly pinkish; lateral part of venter light green but midventral area light; throat yellow as is undersides of thighs and preanal area. Color in life (#71): only slightly rusty wash on laterals.

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72 Crotalus Found under a rotting dried log on the cleared part of the hillside. We camped in the open area below the road and above the streambed and were entertained by a series of electrical storms passing from west to east to the north of our camp. We had no rain at camp. 10 May Arose at 6:00 PM to get an early start for the border. Went back north to catch Hwy 60 west and then at San Ygnacio Texas Hwy 57 north all the way to Piedras Negras and Eagle Pass where we crossed the border about 4:00 PM Texas time. Found a Dor Rhinocheilus Iecantei on Mex. Hwy. 57 at a distance of 0.8 miles S. cutoff to Acatita, Coahuila, Mex. Took U.S. Hwy 277 west out off Eagle Pass to Del Rio where we had dinner and began night driving U.S. Hwy 30 west. We got into thunderstorms and started picking up the following: Phrynosoma cornutum actually picked up just outside of Del Rio at the junction of Texas Farm Hwy 1588 and U.S. Hwy 277, Maverick Co, Texas before dark and the rains. West side of Del Rio (J. Hawker # 125) The following were found night driving

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in the rain. J.H. 4.4 miles E. of Dryden (via U.S. Hwy. 90), Terrell Co., Texas. JH 5.3 miles W. of Dryden (via U.S. Hwy 90), Terrell Co., Texas. SSS Scaphiopus 5.8 miles W. of Dryden (via U.S. Hwy. 90), Terrell Co., Texas 81 Scaphiopus 5.9 miles W. of Dryden (via U.S. Hwy. 90), Terrell Co., Texas. 82 Bufo 5.9 miles W. of Dryden (via U.S. Hwy. 90), Terrell Co., Texas. J.H. Scaphiopus 6.0 miles W. of Dryden (via U.S. Hwy 90), Terrell Co., Texas S.S. 6.1 miles W. of Dryden (via U.S. Hwy. 90), Terrell Co., Texas. 73-80 Scaphiopus 6.5 - 7.5 miles W. of Dryden (via U.S. Hwy 90), Terrell Co., Texas. J.H. 7.5 - 8.5 miles W. of Dryden (via U.S. Hwy. 90), Terrell Co., Texas.

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S.S. Scaphiopus 8.5-9.5 miles W. of Dryden (via U.S. Hwy 90), Terrell Co., Texas Thamnophis marcianus DOR 18.3 miles (via U.S. Hwy 90) E. of junction Hwys 90 & 385 in Marathon, Brewster Co., Texas. Bufo 6.8 miles (via U.S. Hwy 90) E. of the junction of Hwys 90 & 385 in Marathon, Brewster Co., Texas. Stopped for the night w Alpine about midnight. Sky still overcast & threatening so we stayed in rather than camp out.

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11 May Arose at 7:00AM and had breakfast. Started west on U.S. Hwy 90 again about 8:00 AM Ran into ground fog for a while, but it cleared later. Picked up Interstate 10 at Van Horn, Texas, which we took west. Lunch w/ Les Caves, New Mex. Stayed on Interstate 10 until Casa Grande, Ariz. when we picked up Interstate 8. Took this to Gila Bend where we got off to night drive the back paved roads between I-8 & I-10 to the north. Phryg 83 Sceloporus magister Got this specimen crossing the road on the Southwest side of Casa Grande, Pinal Co., Ariz. late in the afternoon after dinner. Sam also got a little specimen - we also saw some Cnemidophorus. The following were collected by night driving the area north of Gila Bend and Interstate 8 and south of Interstate 10 Pituophis melanoleucus 7.8 miles N. Gila Bend (limit: old U.S. Hwy. 80 and new U.S. Hwy 80) via old U.S. Hwy 80, Maricopa Co., Ariz. Bufo Bend via old U.S. Hwy 80 9.8 miles N. Gila

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Crotalus scutulatus 13.5 miles N. Gila Bend via old U.S. Hwy 80, Maricopa Co., Ariz. Bufo 13.6 miles N. Gila Bend via old U.S. Hwy 80. Leptotyphlops humilis 14.0 miles N Gila Bend via old U.S. Hwy 80. Bufo 15.6 miles N Gila Bend via old U.S. Hwy 80 Coleonyx variegatus 15.6 miles N Gila Bend via old U.S. Hwy 80. Bufo 15.7 miles N. Gila Bend via old U.S. Hwy 80. Arizona elegans 22.1 miles N. Gila Bend via old U.S. Hwy 80. Coleonyx variegatus 29.4 miles N. Gila Bend via old U.S. Hwy 80. Lampropeltis getulus Approx. 2.0 miles S. Towopah, Maricopa Co., Arizona.

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Crotalus cerastes Approx. 4 miles (airline) S.W. Tonopah, Maricopa Co., Ariz. Phrynosoma Along Courthouse Road, 7-16 miles W. Tonopah, Maricopa Co., Ariz. Crotalus scutulatus Along Courthouse Rd., 7-16 miles W. Tonopah, Maricopa Co., Ariz. Crotalus scutulatus Along Courthouse Rd., 7-16 miles W. Tonopah. Bufo cognatus Along Courthouse Rd, 7-16 miles W. Tonopah. 84-88 Bufo cognatus - just N. of the intersection of Harguahala Rd. and Courthouse Rd, approx. 16 miles W. Tonopah, Maricopa Co., Ariz. The toads were calling in a flooded (irrigation) rice or wheat field. Only one amplexus pair found although others amplexed later back at Berkeley in the cold room. To Salome I-10 Harguahala Rd. < toad field Courthouse Rd

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Took I 10 west to the last Ariz. rest stop before the Calif. line and spent the night there. Heights of Bryce across the Colorado River just to the west 12 May Arose early and went into Bryce for breakfast before pushing on to Bendely. Had a long day in the car that was going as well. Saw a V.W. roll as it was coming down Tehachapi Pass. We tried to help & f Fortunately the guy - who was drunk as a skunk - was not hurt too badly. Arrived back to Bendely to beautiful weather at about 7:30 PM.

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Greer, A 1975 Journal calif. Mexico

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24 May 1975 DEL PUERTO CANYON, STANISLAUS CO., CALIF. 24 MAY ; JOHN RUBEN & ALLEN GREER John and I went out to Del Puerto Canyon in order to catch some Uni Crotales for his thesis work. We planned to work various localities during the late afternoon and then might drive the paved (lower) part of the road. We worked two localities during the late afternoon but got or even saw very little. Only at the following (second) site did we have any luck. 90 Cnemictophorus Shot along the road above the stream. Sceloporus several seen on the trees and rocks. Thamnophis a large gravid female in the grass along the side of the stream. Pituicatermic heard calling along the stream. 89 Got the following night driving. Pitophis melanoleucus catenifer - 1.0 miles W. of I-5 on the Del Puerto Canyon Rd. DOTZ in the late afternoon. In the grassy area west east of the hills. Saw several others this night. Crotalus viridis - got two off the paved section. one locality does The smaller individual was found about 2 mi.

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24 May 1975 E of where the gravel section of the road begins on 16 miles W. of I-5 along the Del Puerto Canyon Rd. The larger individual was taken 4.0 miles W. of I-5 along the Del Puerto Canyon Rd. Took the Del Puerto Canyon Rd. to the Mines Rd. then north to Livermore. Saw the following DOR2 on the Mines Rd. above Livermore: 2 Pituophis catenifer + 3 Crotalus viridis Also saw lots of Bufo along both roads as soon as it was dark. Addendum: Saw many Sceloporus on edge of road after road was cast in shadows very late in the afternoon. Appeared if the lizards were absorbing the roads heat.

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8 May 1975 DEL PUERTO CANYON RD., STANISLAUS CO., CALIF 28 MAY 1975 JOHN RUBEN & ALLEN GRIER Returned to the paved part of Del Puerto Canyon Rd. for more Crotales for John. Decided to just might drive it. Day was blazing hot - near record and we did well as follows. Pituophis melanoleucus catniphe - 12 seen alive on road. Crotalus viridis - 3 seen on road. Two collected - a large me & a small me; a second small me returned. Clemmys marmorata - FOR just across from the Frank Davies Park. 91- 93 These numbers were skipped. They are not associated

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-8 July NORTHWESTERN MEXICO The purpose of this trip is threefold: (1.) to collect a specific locality in south- east Sonora for a Gnemidophorus for John Wright, (2.) to collect another locality in south- east Sonora for mammals for Jim Patton, and (3.) to collect generally in southeast Sonora and northeast Sonora. This last was my particular interest in going. The people in the group were: Jim and Carol Patton, John Wright and Philip and myself. We took Jim Patton's car and planned to be gone approximately three weeks. The trip is being paid for completely out of personal funds. 7 July left Berkeley about 11:10 AM and took I-5 South to Los Angeles. Arrived at John Wright's house about 7:16PM. Went out to a Mexican restaurant for dinner and then returned to John's house to spend the night (in his back gard). 8 July left John's house for Tucson at about 9:00 AM and took I-10 east. Arrived in Tucson about and went straight to The University of Arizona to find Mike Robson. Found Chuck here

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July instead and he sent us down to the Flamingo Hotel for a nights lodging courtesy of the U.G.A. Went down to the motel for a shower and dinner at a great steak house near the motel. Went back to the Univ. of Arizona for a bull session with Lowe & Robinson. This lasted until midnight. 9th July Got away from the motel about 8:30am Went by to pick up Mike Robinson for breakfast. After breakfast we were around Tucson and for last minute shopping. Headed South about 1:00pm for the border at Nogales. Crossed without incident at Tech Mex. Hwy. 15 South to the North side of Hermosillo where we picked up Mex. Hwy. 21 East to Moctezuma It got dark along the road while we were driving and we began picking up the lumps we happened to see. The first thing was a Coleonyx variegatus which I saw run across the road in an area of rock out cropping. Didn't get the specimen, but there can be little doubt that it was a Coleonyx. The following were collected

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July 94 Mastcophis flagellum DOR 6.5 miles W. Mazocahui 95 Bufo alvarius - AOR 1.7 miles W. Mazocahui 96 Bufo alvarius - AOR 1.0 miles E. Mazocahui 97 Rhinocellus lecontei - DOR 6.1 miles E. Mazocahui Pulled into a fenced and gated area on the south side of the road 14.6 miles E. Mazocahui . We couldn't see much we when pulled in but we would the following day. Everybody else went to bed but John Wright and I tracked down some frogs calling on the north side of the road. They were calling by the side of a cattle tank formed by damming the headwaters of a gully. We found the following calling : 98-99 Pternohylo fodiens : five Caught of which Three two were saved. The others were taken for frogger tissue by John. The alcoholic remains were saved by John and will be deposited in L.A.C.M.

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10 July Each of these frogs were separated from the others and were calling above the edge of the water. Rana (pipiens group) One found in the water about 1 ft. from shore. Taken by John for frozen tissue & remains to be deposited in L.A.C.M. Gastrothryme two or three individuals heard calling separately from around the tank. Call is a simple high-pitched "baa" or trill. Got back from hunting about 11:00 and bagged. 2 July Awoke at 6:30 AM - just at sunrise over the mountains - to a loud chorus of birds. Stayed here until 11:00 AM The site 14.6 miles E. of Mazocahui proved to be an elevated, rolling area consisting primarily of thorn trees and rolling close cropped pasture. There was a stream bed winding east through the area (the one we followed up to the frog pond last night) but no water either standing or flowing. The following herps were seen &

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collected. Sceloporus clarki several Seen on logs and in trees. Appeared to be out directly after sunrise. None were collected. 10-101 Urosaurus ornatus many were on logs or on small from trees. Very easy to approach and very ready to "stand their" ground" and do push ups at the collector. # 100 SVL = 51 mm; TL = 81 mm. # 101 SVL = 50 mm; TL = 73 mm ♂♂ with medially confluent blue belly patches and a similarly colored color on the throat and chin. These blues can be dark blue or metallic bluish green: the sides of the tail & dorsum can also be turquoise blue or all dark black. 02-103✓ Holbrookia elegans two collected along the vegetated banks of the stream bed. Gravelly beds with willow-like vegetation & short grass. # 102 SVL = 60 mm; TL = 61 mm. Posterior medial part of throat orange as an spots just post. to axilla. Posterior to the orange post

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10 July Axillary areas the sides are yellowish orange. Of post. Axillary patch extends forward over Shoulder and onto sides of neck. 34 Eumeces obsolitus juvenile shot out from under a large dead log surrounded by a lot of woody litter - essentially a Stick pile. Their g stink had just sidled out from under a piece of bark under the dew log to sun. Generally black overall except for a cleek dark blue on the tail which begins abruptly about 1/5" - 1/6" of the way post. From the vent. Light spots on supra ocular area faint w/ pinkish tint; light spots on laterals white. SVL = 40mm ; TL = 51 mm. 35 Callisaurus draconoides shot along a flat, open sandy stretch of the stream bed. Another two seen but not collected. Orange on posterior part of throat and on an area on each side of the chest anterolaterally. Faint yellowish wash posterior to orange chest spot and on sides. SVL = 69 mm.

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July 106 Thamnophis cay cyrtopsis - caught along dry stream bed during morning. Left the locality about 11:00 am and drove into Moctezuma where we had lunch at the hotel on the north side of the plaza. After lunch drove out to Mrs. Campbell's ranch 2 miles N.E. Moctezuma. Chatted with Mrs. Campbell and then went out to collect on her property. The Campbell ranch is in a low flat valley covered with thorn scrub where it is not cultivated. The fields are bordered by the stream beds are lined with large thorn trees, wells & cottonwoods. We hunted along these trees during the midafternoon approximately from 2:00 - 3:30 pm. We saw and got the following: 107-110 Sceloporus clarkii - mainly on the larger trees. Not seen on the ground at all. 11-115 Urosaurus ornatus - on the trees - generally the smaller trees. Very "tame" we

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July caught many by hand. Never saw more than two animals - σδ♀ - per tree. 116 Cnemidophorus tigris - along the edge of the tree-lined stream and green fields and within tree-canopied stream course. Several more seen. 117 Masticophis flagellum - found about 2 1/2-3 meters up in a tree. Very widespread purplish suffusion on the venter and somewhat on the dorsum. 118 Callisaurus draconoides - out of Mr. Campbell's driveway. Open, hand flat. Left Mrs. Campbell's about 4:00 p.m. Went back into Moctezuma for a soft drink and then south of town into the lava field where we set up camp in order to trap Perognathus for Jim. Went to bed with lightning both to the north & south of us but clear overhead. Jim saw a Salvadora when he was setting traps at sundown. This locality is 3.3 miles south of Moctezuma (by rd.) Sonora, Mexico. July Got up at sunrise and ran the mammal traps. Had about 10% success.

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July 119 I got a B / Holbrookia elegans on the lava plateau as the others were loading the car. back Drove down to the south side of Moctezuma. The locality was 1.0 miles south of Moctezuma where an arroyo meets the Rio Moctezuma. Stayed here for the morning. This is an agricultural area with alfalfa fields, etc. at the base of the lava flow. Between the agricultural fields and the river & arroyo there is a flood plain covered with great willowy vegetation. We worked the trees bordering the agricultural fields and the flood plain east west of the agricultural fields. We captured or saw the following: Bufo mazatlanensis - one from the alfalfa field and another from under a rotting twig pile at the base of the lava flow & to the other east side of the fields. Scaphiopus sp. - John Wright 120-121

July found one juvenile in a gopher hole. Rare pipewig group - one from a water pool between the fields Sceloporus clarki - all fly off The trees between the fields. Callisaurus draconoides - several seen on the upper edge of the flood plain which is sandy. Urosaurus ornatus - almost all from Small Thorn trees or fence posts but a few were seen or caught off lava rocks at the base of the flow. 135 ♀ Holbrookia elegans - one from The edge of a pasture. Postnuptial coloration. See back for description. 136 ♂ Phrynosoma solare - John Wright captured one at the edge of the agricultural field next to the flood plain. When grasped by the neck bends the head back and brings the occipital spines into contact with the fingers. No chromatic coloration at all. 137 Cnemidophorus sonorae - many seen & caught, but all but one taken by John Wright. The single specimen here dried and was fairly "game" when preserved. Found both at the upper edge of the flood plain & around the edge of the fields.

#135 Holbrokia elegans ♀ - Orange n post. axillary area extending forward along sides q neck and around infraorbital - to chest as well. A distinct orange patch in posterior gular area. Pre-cervical area on sides yellowish.

July July Cuemidophorus tigris - me caught at the upper edge of the flood plain. Taken by John Wright for tissue culture. 138 Thamnophis cyrtopsis - one small specimen from the upper edge of the flood plain. Masticophis bilineatus - one seen, not collected. Went back into Moctezuma for lunch at the hotel. After lunch took the road east to Huasabas and Granados where we crossed the Rio Bavispe and continued east on the road to Nacozari Chico. Got catched in a big [illegible] rain storm as we reached the crest of the mountains east of the Rio Bavispe. Rained off and on through the rest of the evening. Stopped at El Coyote for dinner and then took the road to Huachinera about 0.4 miles N.E. El Coyote (by road), Son. It rained continuously as we put up camp & until about 2:30 PM when it cleared. 12 July Woke up shortly after sunrise to get the first look at the campsite we had chosen in the dark last night. It consisted of a fairly wide stream bed running between

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July fairly steep rolling hills covered with Opuntias & Thorn trees. The thorn trees extend down into the stream bed. There is grass on the flats both in. & above the stream. The mornings were sunny with a few clouds building. Worked the stream bed and the base of the surrounding hills. The following were seen or caught at this locality during the morning. 139 Bufo punctatus - one small specimen from under Jim Pattais tent on a cleared flat above the river bed. Rana (pipiens group) - one nearly completely metamorphosed individual from a tributary of the stream bed which drained into the main stream bed. There were many large tadpoles in the pools of this tributary but this was the only recently metamorphosed fully metamorphosed frog seen. Taken by John Wright for frozen tissues & voucher specimen. 140 Kinosternon sonora iense - one small individual found by John Wright in a small pool of the tributary feeding the larger but dry stream bed. John saw two other larger specimens in a larger pool of this same tributary.

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July Sceloporus clarki - John & Jim saw several individuals, but none were collected. 141 Urosaurus ornatus - a few seen on the rocks at the base of the hills; The one collected was on the ground along the stream flat & jumped into an acacia tree when it was collected. Holbrookia elegans - a couple seen; one along the flat along the stream bed and another at the base of the hills. 142 Eumeces obsoletus - from under a rock on the south side of the stream bed flat just below the rise of the hills. Very cold & lethargic as the stone was in deep shade. 143 Salvadora one from under a rock in talus on the hills on the north side of the stream bed. 144 Masticophis bilineatus - one chased into rocks on one of the "islands" in the stream- bed

July 145-149 Thamnophis cyrtopsis all from the tributary with water that fed the larger stream bed. Others seen there were not collected. 150-152 Cnemidophorus sonorae: one collected by Philip and other two by John. Went back into El Coyote Ranch and then took the road east to Nacorí Chico. At a point 1.9 miles north of Bacadehuachi got two Crotaphytus collaris (♂+♀). Both were on boulders on the west side of the road. Partly overcast. See back for color notes. Continued on the Naco de Chico road to a point 13.9 miles S.E. Bacadehuachi (by road) where we had to stop because of high water in the first big arroyo on the road after coming down out the mountains east of Bacadehuachi. This point is also approximately 4.1 miles N.W. of Nacorí Chico, Sonora. This locality is the upper west side of a large valley that drains south where Río Yaqui. The vegetation is rather dense thorn scrub with a good deal of Opuntia. John and Jim say that the vegetation has a decidedly southern aspect which I can see in the great lushness and density of the vegetation. We arrived between thunder showers and

Crotaphytus collaris ♀ #153 - throat, Sides of neck & sides of body grayish turquoise Green. This color also extends to posterior ventral sides of thighs & ventrolateral side of tail. Fore- arms similarly colored. Upper eyelids & closest part of front feet yellowish. Crotaphytus collaris ♀ #154 Tops of fore feet yellow. Crossbands of orange (?) from neck throughout length of body. Photos of both these animals.

12 July decided we would have to spend the night before the water in the arroyo would go down enough to cross. We therefore spent the rest of the afternoon collecting herps and mammals. Our camp perched on the west side of the Arroyo along the road. We worked the area both north & south of the road along the west side of the arroyo. The following herps were seen or collected during the afternoon and evening. It was not raining during the afternoon but it rained catfurankly after dark. 55 - 163 Bufo punctatus: Several dug out by pulling rocks out of the ground during the afternoon others found hopping around on the ground after dark. Several came into camp during the evening to feed on the termites around the lights. Ground color dull brown with distinct red "warts". Bottoms of hands & feet bright yellow-brown. 164 Bufo alvarius: several seen after dark but near the lights and [illegible] away from the camp. Most young but one adult seen. 165-166 167-169 Bufo mazatlanensis: two [illegible] after dark away from camp. Pterochyla fodiens: - seen & caught both near the lights near camp & by the edge of a gully running with water. One calling from near the gully. 170 Holbrookia elegans: one caught by John + Jim as it was forced out by the rising water in the stream flood plain of the river w/ the arroyo.

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2 July 171 Sceloporus clarki ♀ John & Phlyp chased one down after it was turned out fro under a rock on the vegetation carried west side of the arroyo. 172-173 Crotaphytus collaris two females, each dug out from separate lava outcrops on the south side of the road. Both displayed with mouth gaping when trapped. Mouth lining pink and pharynx dark liver color making a strong contrast with the pink maw. 174-175 Thamnophis cyrtopsis one captured on the plateau above the arroyo during the late afternoon, and another smaller specimen fro under a rock just above the main water in arroyo. Photo of # 174. In addition to these herps we got the following mammals for Jim Patton: Notiosorex crawfordi - 1♂ from under a rock. Perognathus goldmani - from under rocks t out at night. Sigmodon ochrognathus (yellow-nosed Cottonrat)

13 July Sylvilagus audubini - which we ate for dinner. Went to bed about 10:30 pm in a slow slow steady rain which lasted well into the night. The tents were pitched along the road. July Woke up to completely overcast skies caused by low clouds. Had breakfast and then packed up our wet gear. Collected the following around the campsite before we left in the morning. Stayed mostly cloudy all morning long. 176 - 185 Sceloporus clarkii: Several shot off stone walls and out of trees at late morning when the sun broke through a bit. The lizards hide under rocks at the base or near trees and come out to heat up in the rocks before taking to the trees. ?? have lateral blue belly patches ad blue throat; ?? have a small black gular patch. 186-203 Urosaurus ornatus: Off the rocks & +204-205 trees, in and around the arroyo. Much less common above the arroyo on the plateau. More on the rocks at this locality than elsewhere. Measurements of freshly ventilated nine specimens:

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3 July field no. SVL TL sex 195 46 - ♀ 196 47 70 ♀ 197 44 64 ♀ 198 50 65 ♀ 199 47 68 ♀ 200 47 - ♀ 201 50 77 ♂ 202 48 76 ♂ 203 46 - ♂ 206 Thamnophis cyrtopsis - small one from beneath a stone in an east facing slope of the arroyo on the south side of the road. got Cnemidophorus + saw Holbrookia Left This locality about 12° & drove a short distance to Naco Chico. Had lunch & Then headed east on the road to El Rio. Stopped at an arroyo 1.5 miles N.E. Nacori Chico Son. and Jim Patton collected a Bufo mazatlanensis in an agricultural area. Continued on up into the mountains and then down into a valley and Rancho El Rio which is 9.0 miles N.E. Nacori Chico Simera by road. It was raining when we arrived but stopped soon & cleared partially. Set up camp & put up the animals that have been accumulating. Had dinner Carol found all but formed Bufo status = 208

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-14 July and then went to a small oxbow pool beside the river to collect the frogs that were calling. Got the following: Hyla arenicolor; one from the mud bank. Only one heard or seen. No, John got a second. Both prepared in frozen tissue 09-235 Castorophryne: gets from in the water. The call is an introductory "wheep" followed by a longer high-pitched "braa" or trill. Compare with the microhylids heard calling on 9 July 14. 6 miles E. Mazocatrii. Many more were not collected. This includes the animals collected by Carl, Phylp [illegible] on the 9th and the 14th. The locality will be described more fully tomorrow after it is seen in daylight. 4 July Awoke about 8:20am - the latest of the trip so far. Sky clear. Coffee & peanut butter & jelly sandwich for breakfast; then off to collect liquid. Description of the locality: The area is basically two subareas. The road from Naco de Chico goes east up and over a steep oak-cored ridge and then down into a wide amphitheater-like canyon which faces east. At the bottom of this can [illegible] Bonita canyon is the Rio Bonita which drains into the Rio Naco which in turn drains into the Rio Yaqui. The Rio Bonita comes up in an amphitheater-like canyon from the north through a rather steep

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4 July Sided canyon There is a house at the junction The road to the Rio Bonita and fields at the base of the amphitheater. The Amphitheater is rather bare lava on steep slopes. There is little vegetation boulder: there except for scattered oaks along the several gullies dense number draining the canyon or at higher elevations in the unleaved canyon. The steep sided canyon of the Rio Bonita extends on the and around the and course of the Rio Bonita through the base of the amphitheater canyon carries a great ki-Mata Canyon variety of vegetation, e.g., Hickories, ash, sycamores, oaks, cedar, willows in the flood plain (what Little River is of it) & opuntia, organ pipe & Thorn scrub on the drier canyon walls. The Rio Bonita clearly drains the west face of the Sierra Madre and probably flows all year. We camped about 200 yds from the road into the Rio Bonita's steep sided canyon. Got out about 9:00 am and worked the east facing slopes of the amphitheater canyon first thinking that it would heat up first. Worked along the fields on the dry slopes & along the small arroyos & gullies draining the canyon. John worked the flood plain of the Rio Bonita across the river from the amphitheater. Jim and Carol worked the flood plain of the later in the day we all steep sided canyon near camp- worked up the steep sided canyon. The following herps were seen or collected. There was, however, a generally paucity of animals

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4 July 236-239 Sceloporus clarki: All four specimens were taken from trees along De Rio Bonita. I saw a fifth specimen, probably this species, sun out from under a rock I turned along a small arroyo draining De amphitheater canyon. The lizards are very wary. 240-241 Urosaurus ornatus: seen only in the rocks near the small arroyos & gullies draining the amphitheater canyon. # 240 ♂ throat orange, lateral belly patches deep blue. SVL = 43; TL = 59 # 241 ♂ throat blue, lateral belly patches deep blue. SVL = 45; TL = 48 Cnemidophorus barancorum (costatus group): Fairly widespread but most commonly collected along river bed & lower part of amphitheater canyon. John Wright took most of the specimens. About a dozen put up as frozen material and about 7 kept alive. Holbrookia elegans: one got by John Wright. Rana pipiens group: one from a small pool along De Rio Bonita and another from a stream coming down. Put up as frozen tissue.

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25 July Later in the evening Carol, Philip & I returned to the ox bow pool along the Rio Bonita in the steep canyon when Tim, John & I had gotten Gastrohyme the night before. The water in the ox bow had gone down a good deal but we got lots of Gastrophyne which were combined with the previous nights collection. Also got one Rana pipiens group frog - Put up as frozen tissue. July John went out early and got several (7) Cnemidophorus barancorum & two Rana pipiens gp. Later I went up the amphitheater canyon to the crest between the Rio Bonita and Rio Nacori. On the way up I got the following: 241a Rana pipiens group: one from a pool in a large water for arroyo carrying water. 242-243 Sceloporus clarkii: one (242) from a rock beside the stream at the bottom of a large arroyo and another from a large rock about 1/4 the way up the amphitheater canyon by road. 244 - [illegible] Urosaurus ornatus: one & from a dead cypress tree about 3/5 the way up the canyon. Throat orange; lateral belly patches blue; SVL=43mm. 245 Cnemidophorus barancorum: two from near the top of the canyon. The canyon is covered with young Salix &

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15 July Scattered oates. There is denser vegetation in the arrayer especially the large one on the south side of the amphitheater. I met the others at the crest of the Rio Bonita & Rio Naco drainages about 1:30 PM and we continued on down into Naco etc Chico for lunch. We eventually retraced our road coming in and got the following: Crotaphytus collaris off London along the road. gong west. 3.6 miles E. Bacadehuachi, Son. (by road) 9.6 miles N. Bacadehuachi, Son (by road) 11.2 miles N. Bacadehuachi, Son. (by road) 12.2 miles N. Bacadehuachi, Son. (by road) Also saw a large Ctenosaura hemilopha on a rock wall on the northwest side of Bacadehuachi along the road. Drove to Huasabas where we bought a watermelon and shortly thereafter busted the oil filter on a ranch. Got as far as west as 1.6 miles W. Huasabas, Son. where the oil light went on & we were forced to camp for the night.

15-16 July Set mouse traps & went to bed watching a fantastic electric storm to the south. 16 July Got up at 6:00 AM & ran the traps. Got two species Perognathus : baileyi (33) + perricillatus (4) Jim & John walked into Huasalas to get oil and I hunted around our campsite. John got a DOE, dried Colonyx variegatus on the road between camp & Huasalas & at our camp (1.6 miles W. Huasalas, Son.) I got the following. 246 Urosaurus ornatus : one or two seen in acacia trees in an array to the south side of our camp site. Holbrookia elegans : on the flats around camp. Description of camp area. A low shallow grade went to Huasalas cut with arroyos. Vegetation consists of palo verde, Ficuaria medullagi, burrus bush, and then sent & organ pipe. Ground is even stony pavement. Went into town - parking Jim's car then The oil that we put in ran out immediately. Changed the smacked oil filter at Huasalas & had a fantastic breakfast at Ramon's restaurant. We went down to the Southeast side of

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6 July Huasabas which is mainly an agricultural area between the town and the Rio. Got the following: hunting the fence runs & along the road. Sceloporus clarki - on the big cottonwoods & tamarisk trees lining the road down to the river. Some collected. 247 Uraurus ornatus: one of a fence post along the road. Cnemidophorus sonorae: John got 2 Cnemidophorus opatae: John, Philip & 2 get about 10 - 5 frogs & 5 kept alive. Young out. 248 Phrynosoma solare: John got one with snake at the base of a fence post. Found the sheltering a Spemophilus versatus in a hollow tree. Also a large white click bee in mid longitudinal hack studies. Left Huasabas about 1:30 pm and drove to Moctezuma where we had references and then on into Hermosillo where we arrived about 7:00 pm Saw several Crotaphytus collaris along the road SW of Moctezuma and picked up a salman pit Masticophis flagellum DOR just cast of the junction of Mex. Hwy 15 & The (Mex. Hwy. 21) Moctezuma - Ures - Hermosillo road on that latter road. Specimen has faint crossbands anteriorly. More salman pits than the Moctezum a

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16-17 July specimen collected on 10 July (# 1/7). Stayed at the La Enchantada Motel on the north side of Hermosillo and also ate at the motel. Even stayed up with John & Philip dancing & talking until midnight in the motel's bar. No geckos seen on the motel's walls. 17 July Got up about 8:15 AM and spent most of the morning doing chores and getting Jim's bus checked out to make sure we had done nothing more serious than break the oil filter. Took off east of Hermosillo about noon to find John a Cnemidophorus lutea locality. Finally pulled into a rancho 2.8 miles S.E. junct. Mex. Hwy 16 and the Mazatan Rd. on Hwy. 16, Cerro la Agualurca This is a typically flat part of Sonoran desert with several isolated mountain outcrops. The latter being the Cnemidophorus habitat John wanted. In particular we worked on and around a small mountain which the ranch owner called Cerro la Agualurca. We saw and caught the following: 250-255 Dipsosaurus dorsalis: Abundant Throughout the flats between the main Hwy. & The Cerro. The density was amazing - probably much greater than the Cnemidophorus. The

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7 July animals were remarkably tame but would click down holes at the base of bushes when pursued. The animals also seemed to run a great distance to their burrows. Did not occur on the Cerro. Photo of one specimen. No chromatic color on any specimen. 256 Sceloporus clarki: John got me large ♂ off a rock in the Cerro. 257 - 258 Callisaurus draconoides: two from the flats near the Cerro. Others seen. # 257 ♂ throat bluish gray; lateral belly patches dark green - These bordered by a small area of salmon pink anteriorly and yellowish posteriorly. # 258 ♀ gular area orange; anterolateral- lateral patches orange bordered posteriorly on the sides by yellow; lateral base of tail yellow. 259 Cnemidophorus tigris: many collected in the flats at the base of the Cerro. Black throats. Only one pickled - others taken by John Wright for frozen tissue. Cnemidophorus burti: I got 7 from higher up on the Cerro. All taken by John Wright for frozen tissue. The ecological separation between this species and tigris is striking:

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17 July. ligua occurs on the flats and on the lower elevations and the cerno + buriti occurs at higher elevations on the cerros. Photo of haitied liguara vitta. left this locality about 2:00 PM & took the road east to Sahuaripa. The paved road runs out east of Mazatan but we dont read i quels went as far as Bacanora for day. Made camp on the south side of the town of Bacanora near the avi fields. Rain clouds building all around & later we have rain from the north which lasted most of the night as a slow steady down fall. 260-261 Addenda: Found -> two Phrynosoma Solare on the road as follow: #260 : DOR 3.3 miles W. Mazatan Son (by rd.) and #261 : AOR 9.9 miles W. Bacanora, Son. (by rd.) Camp was a gently sloping pan & have small stone parmer covered with lowrows burn, leather brush & Thorn scrub. Heard frogs calling temporary from four small ponds on the north side of the road, between the road and avi strip. Got the following frogs out of there pools during a slow steady rain after dark. 262-263 Bufo mazatlanensis : calling from the edge of the water. 264-265 Scaphiopus couchi : two different calls given by different animals: one the usual high pitched drill and the other something akin to a finger being rubbed across a not inflated balloon. The toads were calling from within the water at just above the edge.

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7-18 July 266-271 Pterochyla fordensis : calling frm just above the edge of the water. Went to bed in the same slow steady rain that we had while collecting the frogs. It rained most of the night. 18 July Awoke shortly after six a.m. and ran the mammal traps that we set out the night before. Caught Perognathus goldmani only. Also caught a Phrynosoma solare as we were pulling out of the camp. (Loc = south side of Bacanora, Son). 272 Drive down to the arroyo on the southeast south east side of Bacanora Son. and began working the fence rows, gullies and field edge for Cnemidophorus fr John. The area is largely agricultural fields bordered by several large shallow washes. There are then trees at the islands of the washes and along the field edge. Saw or got the following from approx. 9:00 AM - 6:00 PM 272a-c Sceloporus clarkii : generally in trees. One seen on fence post that would jump the 2 feet or so between the posts over easy.

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18 July 273-276 Holbrookia elegans Primarily along the flat open washes but a few on the less vegetated edges of the flats. # 273 & chest & sides with a yellowish wash; black side blotches surrounded narrowly by bluish gray. # 274 & gular area with a small orange blotch; sides of body yellow; black lateral spots surrounded by narrow turquoise blue. SVL = 60mm. 277-280 Callisaurus draconoides: concentrated almost exclusively along the dry washes and slightly raised islands in the water. These lizards will often run a short distance when first seen and then stop. They can then be approached fairly closely. After they break from their first hold, however, they are much more difficult to approach, and will run sooner & go farther than when first encountered. When they run they carry their tails curled over their back revealing the sharp black & white pattern on the under- side of the tail. When they stop they swing the tail back and forth briefly. They look like small dogs when they

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18 July run out the Mexican name for them. #277 ♀ gular area orange; anterolateral chest orange spot orange; sides of body posterior to chest spots yellow; sides of tail at base yellow #278 ♀ gular area orange; anterolateral chest spot orange; sides of body & base of tail with a yellowish wash; SVL = 64mm 281 Phrynosoma solare : John Wright got this animal. 282-291 Urosaurus ornatus: very common on the smaller acacia trees and the fence posts. Very tame and Philip got a good series of photos of a male & female on the same fence post. See back for color notes & measurements. 292 Holbrookia elegans : SVL = 59mm; TL = 73 mm (formals killed?); ventral with a lighter yellowish wash. Cnemidophorus stictogrammus: many; all taken by J.W. 293 Thamnophis crytopsis : crawling in a low tangle of vines & bushes ca 2' above ground.

Urosaurus ornatus (probably formalin killed). field no. sex throat color svl tl 282 ♀ light orange 49 66 283 ♀ " 50 49 284 ♀ " 51 84 285 ♂ orange 52 75 286 ♂ yellow surrounded by orange 50. 89 287 ♂ orange 50 92 288 ♂ yellowish green 52 55 289 ♂ light blue 52 104 290 ♂ orange 50 -

18 July 294-295 Bufo mazatlanensis - both dug out from beneath the litter under wood piles bordering the fields. 296 Pituophis melanoleucus - one seen in a large wood pile next to an open field. Posterior blotches of dorsum were chestnut brown & the ground color was straw colored. Mammals: Thomasys unstrius left the Bacanora locality about 6:15?? and proceeded east in the Sahuaripa road. Got one Phrynosoma solare as follows: 3.6 miles E. Bacanora, Son. (by road). Pulled off into the south side of the road at a point 2.4 miles W. Sahuaripa Son. (by road). Had dinner in the rain and dark & then went back west along the road to hunt for frogs & lizards. Saw a large Bufo alvarius and collected another small one (#298). Also got a Bufo mazatlanensis (#299) and a Phrynosoma solare (#300) - all along the road. The locality for these 3 specimens (298-300) should be 2.6 miles W. Sahuaripa Son. (by road). Went to bed in a slow rain which kept

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18-19 July up well into the night. Addendum: During our night walk for frogs toads we saw a sleeping Urasaurus ornatus. She was far out on bare projecting branch of a acacia tree that was hanging out into a path. Her tail was extending straight back ~ the limb toward the base & her head was pro aligned toward the tip. The back legs were drawn back along the body the tail & the front legs were bent tight against the limb beneath the chest. Basically she was aligned along the branch & tucked in as close to limb as she could get. Also saw a Holbrookia elegans when we first pulled into the campsite. 19 July Arose about 7:00 AM and had breakfast which consisted of a cup of coffee. Wait'd into Sahuaripa and worked on the arrigos and farm fields just N. of Sahuaripa. The area is a typical riparian community with large acacias. Saw and/or caught the following. 301-304 Pternohylla fodjeus: the town kids got all of these out of cement tanks buried in the ground at what appears to be a tannery. It is within sight of the prison on the north side of town. 305 - 324 Rana pipiens group. Abundant throughout the area. Most small in size.

19 July Color description: Top of head often green as is also the anterior part of the dorsum. A touch of green is also present just below the dark canthus stripe. Venter immaculate. Posterior parts of thighs often have a yellowish wash. Others frozen whole by Wright. 325 Bufa mazatlanensis caught by the local boys in the sinker tanks behind the tannery on the north edge of town. 326 Kiwoostown somoriense : found by John Wright in a shallow, muddy irrigation ditch near the river. 327-331 Sceloporus clarki : widespread in the larger acacia trees throughout the area. 332-334 Urosaurus ornatus : widespread and relatively common - but less so than at the last locality of Barrancora. Holbrookia elegans : one seen by John Wright 335-338 Callisaurus draconoides : relatively common but again less so than at Barrancora. The two smallest specimens appear to be young of the year.

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19 July 339 - 341 Phrynosoma solare : all caught by Philip & John. Ctenosaura hemilopha : several seen along the rock wall on the north side of town. 342 - 347 Cnemidophorus stictogrammus : widespread Throughout but again not as common as at Bacavora. 348 Rhinocheilus lecontei - one found by the logs with tanner tails. Very little red in the light interspace. 349 Masticophis flagellum . Caught by J.W. about meters up a tree. Color: Salmon pink below & slightly darker fawnish pink above with crossbands evident throughout the meso so anteriorly than posteriorly. Thamnophis cyrtopsis : a large one seen by J.W. Jim Pattn got the following names: Thommys ambivus - 6 Peromyscus aurenuicus - 1 left the locality about 6:00pm & had dinner at a hotel restaurant on the north side of town. Stayed until 9:30pm drunk, talking & listening to a three man band and then went back out to our campsite of last night. It began raining about 7:15pm and continued for most of in early evening.

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20 July 20 July Up at 6:20 am to an almost completely overcast sky. Waited a long time for the tents to dry out, and during this time we walked around the area west of the camp. Saw three Urosaurus ornatus, but only one caught. Also saw [illegible] a bunch of small black tadpoles in a pool of an arroyo. Finally left the camp site and drove back into Sahauripe to pick up the road south to Yecora. Went as far south as the cutoff to which we took for 9.3 miles to the east. This locality is 11.6 miles S.E. Bamori, Son. (by road). We went as far as we could on this road before it got so bad that we couldn't go on. The area is very steep hills & mountains on both sides of the Sahauripa. The area is a mixture of oaks & deciduous trees and certain direct clear from lower elevation, e.g., Opuntia & Acacia. We worked mainly along the road cut and along the arroyo on the north side of the road. We saw or caught the following: 350-351 Sceloporus clarkii: four seen but only two caught. Three were in rocks and one was on the ground and ran to rocks. 352-353 Anolis nebulosus : both of them & were collected off trunks of deadened trees alongside

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20 July The road cut. They were very early to catch. Cola description w life: Both light chestnut brown almost lighter below with the faintest indication of a light latinal strip; dewlap orangish-red; post directed chevrons a touch. 354-355 Eumeces callicephalus : both taken by J.W. for chromosome tissues. 356 Eumeces : taken by J.W. for chromosomes & tissues. 357-358 Cnemidophorus latus corm : form seen but only two caught.. 359 Tantilla yaguwa : one from under a doomed dead oak trunk on the north face of a small arroyo on the south side of the road. Cola description: light neck collar off-white; belly orangish-red. Left my locality about 2:00 P.M. and started back down the road. Had after time picked up a AOR Pitophis melanolencus 10.7 miles S.E. Bamori San. (by road). Continued on until we meet a flat area 4.0 miles S.E. Bamori San. 360 when John Wright shot a Urosaurus ornatus. 361 Continued on into Sahuarapa. On the way saw lots of Holurus elegans on the rock fence just south

20 July - 21 July 362 of Arivechi. Also picked up a Phrynosara Solare 4.4 miles South of Sahuarita Son. (ly rd.) I had dinner at the same hotel on the night of the 19th. Took off late this afternoon back over one road to Mazata & Hernandez Camped somewhere west of Barnori and had just a few sprinkles during the night There were more mosquitoes than any other night. Took a photograph of the Barnori valley & the town itself. 21 July Up at 6:00 but didn't get off until about 7:15 PM Continued west on the same road. Stopped at a point 13.0 miles E. El Novillo, Son. (ly road). The area is a small east flowing arroyo where stopped to look for gophers. Saw no gophers but did get to see the following lizards. Hyla arenicola: J.W. claims to have seen tadpoles of this species in the arroyo. 363 Kinosternon sonoriense: J.W. found the shell and partial skeleton (including the skull) of a specimen. 364 Sceloporus clarki male SVL=104 mm; TL=125 (in life). Gular area turquoise blue surrounded by black - black continues closely to front of shoulders to rest of partial collar. Behind belly patch also turquoise blue, bordered medially by black, and ventral area immaculate; sides & tail light turquoise blue.

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21 July Continued west on the road to El Novillo Son, where the Mazatan road crosses the Rio Yagui. Had lunch and then spent the rest of the day working the area south of the bridge and east of the river. There is a gravel sorting business over much of the area, hence there are extensive piles of sorted gravel cleared vegetation. Otherwise there is a flat pasture land to some farm land higher up from the river proper. Very close to the river there are several isolated pools of water trapped in the bedrock. Day was cloudy. During both the afternoon and evening we got a Saw the following: E side of Rio Yagui, just south of El Novillo Son Bufo mazatlanensis: all of the larger specimens were seen only on the sandy bank next to the river. None were seen on the gravel banks along the river. There were, however, thousands of newly hatched toadlets that were probably the species, along the banks of the river - both sandy, gravelly bank or near the pools in the bedrock. 367-369 Scaphiopus couchi: seen only on the gravel terrace above the river. Other heard calling at night. 370-375 Pternochyla todensis: many seen and heard around the pools in the exposed bedrock along the river.

21 July 376 - 379 Gastrophryne: heard & caught Several single individuals around the pools in the exposed bedrock along the river. Call consists of but a single high pitched "brrg". Like the call of the individual heard on 9 July; not like the call of male heard & caught on the 13-14 July which was preceded by a "whoep." Sceloporus clarkii: several seen in the big trees along the river, but none taken. Ctenosaura hemilopha: J.W. saw one along the river. 380 - 389 Urosaurus ornatus: many seen on rocks, trees and "downed" fence posts. Mostly on rocks however. # Sex SVL TL Throat color ♀ 50 - pale salmon ♀ 49 - light orange ♀ 49 - orange ♀ 50 75 pale salmon ♀ 48 79 faintest light salmon ♂ 44 - mustard yellow ♂ 45 80 light green ♂ 46 74 greenish yellow ♂ 49 - orangish yellow ♂ 49 86 light orange

21 July 390 - 397a Callisaurus draconoides : extremely abundant on the flats above the river -- in fact in the entire area between the river and the canyon walls. Curiously, however, we did not see a single specimen of Holbrookia elegans. 398 Phrynosoma Solare : Phlyp found one out at night around the posts & the network along the river when we were hunting for frogs. 399 - 404 Cnemidophorus stictogrammus Many seen throughout the area from the river to the canyon walls. 405 Masticophis bilineatus : one caught while resting on a rock. Sky cloudy -- otherwise he would have been 'hooting'. Turtles : Several seen in a shallow cut off sea of the river after the water level in the river fell about 2 feet. Probably Chrysemys (Pseudemys) scripta gageia . Actually seen on the morning of the 22 July. It rained most cloudy all day long & at night as well. It rained several times during the night.

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22 July 22 July Up about 7:15 am. Skies completely overcast as it was yesterday. Walked along the river where we saw the turtles & then checked out a box canyon feeding into the river valley. Saw nothing but a few Urosaurus ornatus. Went over to the west side of the Rio Yaqui just south of Norillo, Sonora so that Jim could check the gopher situation and compare it to the east side. He got Thamnophis unbrivius on the west side just as he had gotten it on the east side. I did a lot of checking along the river and finally saw or caught the following. 406 Sceloporus clarki: Several seen on the trees and this one specimen taken off the rocks. 407-417 Urosaurus ornatus: many seen. very common. The lizards seem more wary & harder to catch on both this side of the Rio Yaqui & the other than at other place. Got the following series off the wooden railing of a corral. Field No. Sex. SVL TL Throat color. 407 F 48 46 orange 408 F 49 - faint orange 409 F 50 84 faint orange 410 F 49 71 yellow 411 F 54 87 orange 412 F 51 66 faint orange 413 F 51 79 faint orange 414 M 51 53 yellow

22 July Urosaurus ornatus (cont.) Field No. Sex SVL TL Throat color 415 ♂ 55 - Orange 416 ♂ 51 51 yellow-orange 418 Ctenosaura hemilopha: one shot by a local kid at the same coral as the above Urosaurus was m. 419 Callisaurus draconoides: a few seen in the more open spaces on the terrace, along the river. Creophilus striogrammus: several seen. This taken alive and given to J.W. for fixing left the Rio Yaqui and drove over to Hermosillo at the tail of a large Thunderstorm. Then lots of sunny water. Ate at a steak house in Hermosillo, then headed north on Hwy. 15. Stopped at two localities to hunt for geckos as follows: 6.7 miles N. Hermosillo, Son. via Hwy. 15 west Boulder on the [illegible] side of the road, g[illegible] 420 Found one Phyllodactylus homolepidurus and one 421 Crotalus molossus. 19.1 miles N. Hermosillo Son. via Hwy. 15 Uplifted hill on the west side of the hill behind the truck stop. John Wright found Phyllodactylus and one Sceloporus clarki - The last sleeping on the north face of a boulder.

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22-23 July 24 July Continued north at 150 m.p.h. through some really heavy thunderstorm, stopped at about 2:00 am at a point about 20 miles south of Nogales, Az. The night overcast but no rain was seen except for a few fine drizzle. 3 July Awoke to overcast but clearing stars. Had coffee and then headed north to Nogales, Ariz. where we took breakfast and got our permit checked out. Drove north to Tucson & dropped in at Jan's house. Stayed there all afternoon and early evening & after dinner left for Los Angeles. 24 July Drove all night through the desert of western Arizona & 8:15, Calif. and arrived at John Wright's home at h.a. about 8:30 am. Napped then till about 2:00 pm and then headed north for Berkeley. Had a blazing hot drive through the Central Valley and arrived in Berkeley very tired about 10:30 am.

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