Field notes, v1297

Gilmore, Raymond M. (Raymond Maurice), 1907-1983

1926

Museum of Vertebrate Zoology, University of California, Berkeley

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Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org

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31 UNIVERSITY OF CALIFORNIA MUSEUM OF VERTEBRATE ZOOLOGY

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General Index (for specific localities, see page headings) Gilmore, R.M. 1926 Lower California, Mexico via Cabezon, Riverside Co., & San Diego March 16 - June 26, 1926 pp. 1-133 Nos. 1-471 Specimens collected belong to Accession # 2703 and are included in Mammal Catalog # 37617-37943 Bird Catalog #47829-48428, 58518-50520, 50740, Eggs & Nests Catalog # 2320-2326 For map, see field notes of CC Lamb, 1926 published report = A distributional summation of the ornithology of Lower California by Joseph Grinnell Univ. Calif. Publ. Zool., vol. 37, No. 1, pp. 1-300; November 6, 1928

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Gilmore 1976 Cabazon, 1700 Riverside County, California March 16, 1926 1. Gopher $\#605$. 603-53-27-4. Dry sandy wash association near mount base. 2. Gopher. & 70.5 C. 185-53-26-4 Dry sandy wash association near the foot of Mt. San Jacinto. 3. Alligator Lizard. Running through dry sticks near tree on dry bottom of Whitewater River, at foot of Mt San Jacinto, Cabazon Riverside Co. Calif. Spent most of the day looking for gopher holes and setting traps in them. Most of the gophers caught (6 out of 8) were small, averaging about 60 grams in weight, while two were large, averaging 108 grams. The small gophers may represent immature gophers or a different sub-species. Both kinds of gophers, however, were cought in the same association; sandy soil from washes or on the low flat fields. The ground is sparsely covered over with desert vegetation, e.g. cholla, greasewood, etc. The locality consists in the main of a long narrow valley hemmed in on the southern and northern sides by high mountains and hills.

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Gilmore 1926 Cabazon, 1700, Riverside Co. Calif. March 16, 1926. The valley slopes gently to the east and along its southern border flows the Whitewater River, now a trickling trickling stream winding in a broad wash basin 100-200 ft. wide. In some places the river seems has two channels but only one is flowing. Quite a few birds are present, some of them being, Lark Sparrows, Cactus Wrens, etc. Numerous wild flowers are scattered over the valley and scattered clumps of desert grasses complete the desert scene. Numerous small lizards may be found in the clumps of vegetation and the sandy runways are filled with the tracks of the nocturnal. Kangaroo rat, Coyotes, Foxes and skunks have drunk from the stream in the vicinity as is shown by their tracks and numerous morning birds and quail, both momitius and valley may be heard and seen at all times of the day.

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Gilmore 1926 Cabazon, 1700, Riverside Co. California. March 17, 1926. 3, 4. Gopher &. 83.8 C. 196-53-27-5 Dry sandy wash association near base of mountains. 5. Gopher & 57.7 C. 163-57-27-4 Dry sandy wash near road + base of mountains. 6. Kangaroo Rat F 103.0 C. 269-153-37-11 Caught in the daytime at in gopher trap set for gopher, by the tail. Dry sandy wash association. Spent all day trapping and preparing gophers. Trapped one gopher that was partially letten away (left two side of neck) in the trap. Caught a Kangaroo Rat by the tail in a gopher and secured the specimen and trap only after digging about 4 ft down along the burrow. Found deer tracks and saw the first cottontail seen so far. The only wild flowers that I recognize are Teeps, Wild Daisy, and Batchelm Button. Saw quite a few butterflies and one Lava. My steel trap resulted in a dead White footed Mouse.

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Gilmore 1 mi. S. of Cabazon, 1700, Riverside Co. California March 18, 1926 The sixteen gopher traps that we set last night caught five gophers, four females and one male, and one male Kangaroo Rat. 1. Gopher ♀ 113.2 G. 198-53-27-5 Caught in damp sandy creek bottom near flowing stream. 2. Gopher ♀ [illegible] dry sandy wash association. 3. Kangaroo Rat ♂ 66.2 G. 270-158-40-15 Dry sandy wash association. Caught in gopher trap set for gopher. 4. Gopher ♂ 105.1 G. 210-65-30-4 Caught in irrigated orchard. Dry gravelly loam association. Spent the day trapping and preparing gophers. We put up two gophers and one Kangaroo Rat which was caught in a gopher trap. It has been very windy and cold the last few days & it continued today making the birds quite scarce. And the only Bluejay today for the first thrice

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Gilmore San Diego, San Diego Co. Calif. 1926. March 19, 1926 Left Cabazon at 8:00 A.M. and traveled over the mountains to San Diego through desuetory rains. Saw some white pelicans at Lake Elsinore and some common tril and coots in a pond a little further on. Arrived in San Diego at 3:00 P.M.

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6. Gilmore 1926. Mexicali March 20, 1926. Lower Calif. Mexico. Left San Diego at 10:30 AM after doing some shopping and arrived in Mexicali at 4:15 P.M. Had to pay duty on some of our groceries and our spare gasoline. Met Mr. Hughes and Mrs. Canfield at about 6:00 at the hotel. Slept 3 1/2 miles E. of Mexicali. Heard a coyote howl of many brody owls calling.

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Gilmore 1926. 90 mi. S. of Mexicali, on the E. side of the Colorado River Plains, Lower Calif. Utah/Mex. March 21, 1926. Left Mexicali at 9:00 A.M. in company with Mr. [illegible] Huey and Mrs. Comfield. The first 30 miles was thru irrigated cotton and alfalfa fields. The next 10 miles was thru thick vegetation, mesquite, arrowweed willows etc. Then we broke out & gradually upon the Plains of the Colorado River (Ramos de Rio Colorado), a broad, seemingly endless expanse of bare soil made sticky and rough by recent rains. We finally camped on the edge of this desert at about 5:00 P.M. after covering 407 92 miles in 8 hours. While coming from the bushy area to the bare desert plains we experienced a short severe rainstorm, sso characteristic of desert regions. For about a half an hour it rained in force torrents and literally flooded the road. All bird and animal life ceased when we got on the desert. Before the dust, however, we saw numerous dove, shrub owls, vultures, and mocking birds. We saw one guail in the brush.

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Gilmore San Felipe Bay Lower Calif. Mexico. March 22, 1970. Left the camp ground of the 21st at 7:45 A.M. and traveled for 5 hours over heavy sand interspersed with little stretches of volcanic rock. Here, between the deep dry canyons and deep bumps, the traveling was very rough and tiresome. Saw some birds again among them being Sage Thrasher, Ash-throated Flycatchers, Horned Sparrows, [illegible], one Red-tailed Hawk, Vulture. Saw some lizards, Ammospermophilus, and horned toads. Finally reached San Felipe Bay behind two high sharp hills and saw a very barren & inhospitable landscape. Camped about a quarter of a mile south of the only well in the country, a small well 2 x 3 ft. set in a larger hole 15-20 ft. + 5 ft deep. The small is about 2 ft below the level of the large hole. The water is warm, dirty and slightly salty. The land adjacent to the bay was once a sea bed as is shown by the profusion of

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Gilmore San Felipe, S.L. Lower Calif. Mexico. 1926 March 28, 1926 / 10. Homed Road. Caught running along the road in front of auto about 20 miles north of San Felipe. marine shells on the ground. They are mainly Gastropods and Pelecyptids Possibly there are important fossils around here. There is a long draw about 100-200 yds wide directly behind the beach and parallel to it. Behind the draw is the higher country gently sloping to the foot of the Mountains in back & west of us. The draw is filled with grass and brush and contains numerous birds, jack rabbit, coyotes, kit foxes kangaroo cats etc. The higher ground is more sparsely covered and more sandy. On or shore wind prevails during the day and an offshore wind at night time. The Well is located in the draw before mentioned.

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Gilmore 1926 Jan Felipe. S.L. Lower Calif. Mexico. March 23, 1926. Twenty three traps caught 6 male peromyscus perognathus 1 female " 1 male peromyscus 1 female dipodomys. 11. Paramyscus & 21.5 G. 168-73-22-17 Caught near bush in dry sandy soil. 12. Perognathus & 12.5 G. 155-92-21-7 (skull only) Caught in under brush in dry sand. 13. Paramyscus ♀ 17.9 G. 165-79-21-17 Same as above. 14. Lizard. Caught in Hue's tent. 15. Lizard. Shot while running along in the sand between bushes. 16. Jack Rabbit & 4 lbs. 475-70-110-155 Shot in brushy wash near bay. Spent the whole day at work for specimens, hunting, or trapping. The dipodomys are very plentiful and we should catch a lot. Numerous sea birds inhabit the bay either through connection with the fishing camps or, in their real habitat. Game trails, which used in all probability by coyotes and foxes are plentiful. The birds are a little scarce around

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Gilmore 1926 San Felipe, S.L. Lower Calif., Mexico. March 23, 1926. here due possibly to lack of water. Some of the most common around the beach and back a quarter of a mile are Chipping Sparrows, Gambel's Sparrow, immature Vireos, Vultures (in prey), Humming Birds, a few Phoebe and Thrashers. Lion's Thrashers (back up in the hills further). A hunt this morning netted two Jack Rabbits, one Gambel's Sparrow, one young Vireo, and one female Say Phoebe (with egg). The Vireos must have nested early, possibly in February, because the young year's brood are common. We have seen no rattlesnakes yet in spite of the predictions by the Mercurial. Our catch tomorrow will probably be greater than today due to more traps out.

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Gilmore 1926. San Felipe S.L. Lower Calif. Mexico March 24, 1926. Twenty eight traps caught: 1. ? Dipodomys 2. Patogenathus. 17. Dipodomys ? 42.5 G. 240-145-40-11 Caught beneath bush on slight rise. Sandy soil association. 18. Petrogenathus ? 13.6 G., 160-89-23-6. Caught on sandy mesa near brush. Pouches contained brush and grass seeds. 19. Shrike ?. 42.1 G. Killed while sitting on Copel tree. 20. Kangaroo Rat (same as Lamb's no. 5615. 21. Wood Rat (Neotoma) " " " " 5613 22. Sage Thrasher ? 48.1 G. Killed while sitting on creosote brush in open desert. Stayed in camp today due to a bad cold. Prepared a few specimens, [illegible] up. While running the traps in the afternoon caught two short tailed ground squirrels. Heard a few meekers around camp and watched a pair of fish hawks near by for a little while.

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Gilmote 1926 San Felipe S.L. Lower Calif. Mexico. March 25, 1926. 30 traps caught one round tailed ground squirrel whose skull was broken in the trap, and one lizard. 73. Lizard. Caught in gopher trap set in supposedly gopher hole. 74. Dipodomys S. 125. ♀ G. B48-716-58-15 Caught on the top of a sandy rise. 75. Citellus ... ♀. 99. ♀ G. 230-82-35-3 Caught in daytime in rat trap set for rats on a small pile of loose soil covered with bushes. 76. Citellus - ♀. 122. 9 G. 253-95-36-3. skeleton Caught on side of sandy bank among only bushes. Was almost devoid of hair on all parts of body except tail. 77. Ring-Billed Gull. ♀ Shot from the beach as it was flying by. In going over the things in the morning I found in a gopher trap that I set for gopher in a hole which both Lamb and I thought was a gopher hole, a large lizard caught by the hind part of the trunk just anterior to the hind legs and still alive. In killing it my knife

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Gilmore 1926. San Felipe S.L. Lower Calif. Mexico. March 25, 1926. slipped & partially severed the neck. Silently it is a nocturnal lizard which investigated [to its] rear) the disturbance at its front door. Went hunting with Mr. Lamb and had pretty good luck though the birds were few and far between. we ran into a flock of Brewer's Sparrows & got two. The rest of about three hours was spent in beating the scrubby brush for a close shot for Jack Rabbits. While doing this we obtained the rest of our birds. I killed a Woodpecker while it was sitting on a low scrubby bush, at least a half mile away from any good sized tree. Turning to the beach we I shot a Ring Billed Gull as it was flying past. Lamb then stripped and swam out in the water. While he was in the water he attracted some Elegant Terns & I quickly killed three in almost as many shots. They were evidently attracted by the sight of Lambs flailing kicking

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Gilmore 1926. San Felipe, S.L. Lower Calif., Mexico. March 25, 1926. and splashing in the water. While on the beach we saw also some Larus occidentalis livinus, [illegible] and pelicans. While in camp working on the skins several mocking birds came close to camp and sang in the surrounding bushes. From some Mexicans we learned that there are Brewster's Bobby & Frasers Oyster-catchers but we have seen none.

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Gilmore 1926. San Felipe, s.l. Lower Calif., Mexico. March 26, 1926. 18 traps caught. 2♀ Neotoma 1♂ Dipodomys 1♂ " 28. Crotalus } found lying together in 29. Crotalus } open desert. 30. Jack Rabbit Lepus ♂. 6 (lbs), 490-80- -170-165. Shot while running thru brush. 31. Lepus ♀ 9.0 lbs., 580-80-170-160. Shot on open desert. Had seven embryos in body and very thick mammary glands. 32. Dipodomys, ♀. 24.4 G., 148-118-37-8. Caught in sandy draw. near brush. 33. Spermophile ♀ 150.0 G. 255-95-36-3. Day catch along trap line. Same as above. 34. Dipodomys (in formalin) ♂. Same as above 35. Spermophile ♂. 121.8 G. 248-89-38-3. Day catch along trapline. Same as above. 36. Spermophile ♀ 111.0 G. 245-90-37-3 Same as above. (caught by Lamb) 37. Spermophile ♂. 133. 2. G. 262-86-39-3 Same as above. Weent hunting after the morning traps and bagged 1 Brewer's Sparrow, 1 young Cactus Wren and two rattlesnakes. I came upon the

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San Felipe, S.L. Lower Calif. Mexico. March 26, 1926. rattlesnakes while I was walking between bushes on the open desert. They were & wound around one another in a round heap and did not rattle even when I had stepped within a foot of them before I had saw them. They did not rattle or unwound until Lamb had come up and made a motion at them. Both were small but had 7-8 rattles. Perhaps by coincidence their rattles went together. We also killed a jack Rabbit also, one a male and the other a pregnant female large with young. We saw three Great Blue Herons flying about a half a mile inland and regularly on some ironwood trees. Upon upon- ening their nests in some ironwood trees we found them empty. #I shot a pair of great catchers from a mesquite bush right next to camp in the afternoon. Caught 2 & spermophiles at the traps in the afternoon. Saw two large lizards in the bushes during the noon time.

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San Felipe, S.L. Lower Calif., Mexico. March 27, 1936. Gilmore 1936. 18. 20 traps caught. 3 Petrogalemus 1 ♀ + 2 ♂. 3 Neotoma 1 ♀ + 2 ♂ 1 Parayan Bramycus ♂ 1 Dipodomys ♀ maniculatus 38. Paramyscus ♂ 16.4 G. 140-61-21-15. Caught on dry sandy oval near bush. (Syceum) 39. Dipodomys ♀ (in alcohol). Same as above. 40. Sculp, Lesser ♀ 433.9 G. Killed on the beach as it flew near a death term. 671.44 G. Killed from the beach as it decoyed alone to dead gulls and Mr. They, who was swimming after an Elegant Tern at the time. 41. Heermann Gull ♂ (in) 433.9 G. Killed from the beach as it flew near a dead tern; Traps had a good amount of catches even though this morning for some unknown cause it was the second night of the trip. Did not go hunting but cleaned and prepared mammals at most of the morning. When we went down to the beach I was lucky enough

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San Felipe, S.L. Lower Calif. Mexico. March 27, 1926. To kill a Lesser Scap which floated pretty to some dead gulls which Huey had shot and the Huey himself who was swimming far out after a crippled tern. I also killed 3 Elegant Terns and 1 immature Hermann's Gull as it flew near a dead tern. We also saw some Caspian Terns at which Lamb shot for partially crippled but could not get. B Pelicans, Snowy Gulls, California Gulls (of which Lamb shot an immature one), Ring-Billed Gulls, Black Brant, Lesser Scap, Royal Terns and Snow Geese (seen by Mr. Huey) are around here. Saw a Great Blue Heron and a flock of small birds at late evening, at low tide.

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San Felipe, s.l. Lower Calif. Mexico. March 28, 1946. J Hr. Lizard. Shot while running thru bush on sandy flat near beach. Went hiking up the beach to the Mexican fishing camp and saw great flocks of gulls there. Ring Billed Gull Larus occidentalis livan California Gulls & immature. While hunting on the beach in the afternoon as I saw the same kinds of Gulls again beside some Elegant Terns, Caspian Terns, Col. Pelicans White Pelicans and Lesser Scamp. I killed a California Gull as it was flying fast, an Elegant Tern as it flew near & investigate the dead body of the other gull and see a Larus occidentalis livan which came near for the same reason. Hermann's Gulls are scarce, likewise Caspian Terns, Willets & and White Pelicans. As from the head Game Warden of Lower Calif. we were told that the antelope come down to the beach to bathe m summer & that there are mountain sheep on the hills nearby.

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San Felipe, S.L. Lower Calif. Mexico. March 29, 1926. 25 haps caught 1 ♂ Neotoma (immature) 1 ♂ + 1 ♀ Perognathus 43. Neotoma ♀ 173.5 G. 336-155-32-35. Caught in sandy bushy draw. 44. Dipodomys ♀, 43.7 G. 190-91-37-6. Like same as above. 45. Elegant Tern ♂ Killed on the beach at high tide. 46. Rattlesnake 66S Found coiled in a round heap near tent by Huey. Day + Night were very windy + therefore windy, uncomfortable, few land birds being seen. On the beach some Elegant Terns, Ring Billed Gulls, Yellow-legged Gull, California Gull Caspian Tern, Lesser Sand Peldians .. While in camp in the afternoon, Mr. Huey discovered a rattler coiled in a round heap in a round depression in the leaves under a Yuccam brush on the side of a sandy bank. Evidently it was asleep but when a string was lowered over his head his tongue flickered forth. He was quite torbid.

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San Felipe, S.L. Lower Calif., Mexico. March 30, 1926. 30 traps caught nothing. 47. Paramyscus & 17.5 G. 155-71-22-19 Caught beneath small bush on sand dune. 48. Paramyscus ? 17.0 G. 153-70-20-19 Caught in sandy wash. 49. Alligator Lizard. Killed in open desert. 50. Alligator Lizard killed on gravel fan near base of mountains. 51. Alligator Lizard same as above. 52. Lizard same as above 53. Lizard " " " 54. Mockingbird & 53.2 G. Killed from top of Sanguine de Dragon bush in open desert. 55. Phainopepla Nitens ?im. 22.9 G. Killed on skeleton gravel fan near base of mountains only, while flying overhead. 56. Spermophile F. 113.2 G. 253-100-34-3. Caught in afternoon in sandy bank. Went hunting back 3 miles over the desert to the foot of the mountains. Saw a Coopers Hawk (?) and Sharp Shinned Hawk(?) Scared up an owl from the rocky side of the mountains. Thought I saw a Flicker ? some sort by the flight. Saw the usual other

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Gilmore 1926. San Felipe, S.L. Lower Calif. Mexico. March 30, 1926. 23. desert birds. On the beach saw Four Caspian Terns, two Elegant terns & innumerable gulls of common kinds. On the trap line, not one of my traps were sprung yet Lamb's line away a few rods away had a few micelt gull a few spring trap. My traps were on the windward side of the draw. Two of the three coyote sets were visited but not spring.

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Gilmore 1926 San Felipe, St. Lower Calif. Mexico. March 31, 1926. 64. 30 traps caught 1 ♀ Perognathus (broken skull) 57. Dipodomys ♀ 43.7 G. 628-123-37-11 Caught in sandy draw or wash. 58. Surf Bird ♂♀ 176.0 G. Killed out of large flock on sandy beach. 59. Surf Bird ♀ 177.0 G. Same as above. 60. Macrorhamphus scolopaceus ♂ 106.5. same as above. 61. Ephriza virgata ♂(lm) 54.0 G. same as above (skeleton only. 62. Ephriza virgata ♂ 147.0G. Same as above. (skeleton only) 63. Lizard Killed on Sand in sandy draw. 64. Lizard same as above. Went up on the beach among the rocky North head of San Felipe Bay and saw a flock of from 500 - 600 Surf Birds. A few were taken. saw some Willet's Dowitchers (took one), lesser Scaup, Indsonian Carlew #) and numerous gulls and terns. The surf birds were feeding in f around the rocky headlands and sandy stretches. Caught a vulture in a set for coyotes.

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San Felipe, S.L. Lower Calif. Mexico. April 1, 1926 30 traps caught. 2 & Neotoma. 65. Dipodomys desertii & 148.0 G. 350-701-56-13 Caught on edge of desert on sandy soil. 66. Neotoma & 136.9 G. 285-130-33-30. Caught in sandy silty draw. 67. Neotoma ? 85.0 G. 275-125-37-25. Caught under creosote bush (skeleton only) 68. Squalatola squatarola & 208.5 G. Killed on beach near rocky headland while alone. 69. Aphriza virgata & 161.7 G. Killed on rocks near north head of bay. 70. Aphriza virgata ? 147.0 Same as above, skeleton only. 71. Aphriza virgata & 147.5 St. Same as above. skeleton only. 72. Lizard Killed in open desert. 73. Lizard " " 74. Lizard " " Went up to the northern head of the bay & saw numerous quail & terns, ducks, took one Squalatola squatarola 3 Aphriza Virgata one Victitus maculatus . Came back by land & took one Spizella breweri, & two Desert Knasher. Birds were scarce on land

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76. San Felipe, S.L. Lower Calif. Mexico. March April 8, 1926. Gilmore 1926 30 traps caught {2♂ + 1♀ Neotoma 1♂ Dipodomys A mettini 3♂ + 2 ♀ Perogathus 75. Neotoma ♂ 173.3 G. 284-115-33-27. Caught under Sycamum bush in Sandy draw. 76. Peroganthus ♀ 13.4 G. 108-35-22-7. (skeleton only) same as above. 77. Dipodomys metthami ♂ (in formalin) 185-106-37-9. same as above. 78. Peroganthus ♀ (in formalin) 122-65-20-4. same as above. 79. Lizard shot in sandy draw. 80. Lizard " " " " 81. Lizard " " " " 82. Spermophile ♂ 115.8 G. 245-90-37-3 Day catch in sandy draw under Sycamum 83. Spermophile ♀ 121.9 G. 251-95-37-3 same as above. 84. Spermophile ♀ 107.9 G. 240-78-35-3. (skeleton only) same as above. 85. Sterna elegans ♂ 316.4 G. Shot from big flock on edge of water at low tide. 86. Sterna elegans ♂ 244.3 G. same as above. Trapping was better last night. Perhaps due to change of traps. They

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78, San Felipe, S.L. Lower Calif. Mexico. April 2, 1926. Gilmore 1926. were taken from a draw that leads from the beach towards the field to the large draw that runs parallel to & just behind it (the one on which the camp is located.) surf Sandy beach Bank Bank Draw parallel to beach (several miles long) Spring Camp Draw toward mts. Slight rise Desert Maps were set at O with very poor results. Changed to X with very good results. Some kind of association. The bottom of both draws are mud cracked & filled with Lycium & sides are sandy

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San Felipe, s.l. Lower Calif. Mexico. April 2, 1926. Went hunting on the beach this morning while the tide was far out. Saw a Long Billed Curlew but could not get near him. Gulls were numerous. Ran onto a large flock of about 50 terns Sterna elegans, Sterna maxima, Sterna cassia, with S. elegans in predation. They allowed us to come within about 50 yds of them when we both shot & dropped four. The rest then hovered overhead, screaming and wheeling until we came close. Even then we managed to kill quite a few more as they flew past. Coming back by land we found a Shearwater carcass on a Giant cactus. Found an unoccupied Vireo's nest and saw many hummingbirds, presumably Costa's. Saw also, Great Blue Heron, Vultures, 3 or 4 Ravens, Jack Rabbits & numerous lizards.

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San Felipe, S.L. Lower Calif. Mexico. April 3, 1926 Gilmore 1926. 35 traps caught 3♂ Neotoma 2♂ Peromathus [illegible] 87. Larus occidentalis livens ♂ 13.5.6 G. Killed on beach at low tide. 88. Salpinctes obsoletus ♂(im) 16.4 G. Killed on rocky hillside. 89. Spizella breweri ♀ 9.6.G. Killed from wood tree in open desert! Lizard killed under creosote brush in open desert. Went hunting and took two Salpinctes obsoletus, one Icterus parisorum and one Calypte costae. saw another Icterus parisorum two other Calypte costae, numerous Salpinctes obsolitus about 10 Limius ludovicianus excubitorides, two Sorostoma, heard some Myiarchus cimerascens saw two Crows corax clarimensis, about 8 Minius polyglottos leucopterus. heard a Sayomis saya, came back by way of the beach and took the Larus occidentalis livins saw

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Gilmore 1926. San Felipe, S.I. Lower Calif. Mexico April 3, 1926. Numerous Larus delawarensis both adult & immature, Larus californicus ditto, some Larus occidentalis ditto, Larus occidentalis livens ditto, Sterna elegans and some Aythya affinis. The gulls sat in flocks on the sand at low tide and allowed close approach, ditto for the ducks. The Calypte & costae are numerous, and allow close approach. The Minus polyglottus leucopterus, Icterus parisorum, Tocostoma Sayorisis saya, Lanius ludovicianus excubitorides dtc are very shy & reticent. The Salpinctes olivoletus allow quite close approach but when shot at or frightened fly a short way up the rocky hillside near which they are found and continue their way upward, just out of range. They often are found on the desert floor at the base of the hills but eventually reach the protecting rocks upon which they perch & call. The Grotalus or side wander

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San Felipe, S.L., Lower Calif., Mexico. April 3, 1926. which is found in good numbers around here, seems to be a quite massuming rattlesnake. Have have been killed to date & but one rattled at any distance (10 ft. according to Mr. Huey). The others lay quietly until a close approach of a few inches or quick movement toward them arouses them. Two of the five were lying coiled in a round heap with most of the bodies in the sand or dirt and the whole body invariably in the shade. I cannot believe that they are were asleep although one allowed itself to be discovered (by Huey) near camp, stayed in the same position even when he had returned with a stand camera allowed photography at a few feet & considerable walking around and finally showed life by a flicker of its black tongue when a string was dragged over its head. Another allowed me to step within six or eight inches of it, head before it betrayed its position in the middle

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31. San Felipe, S.H., Lower Calif., Mexico. April 3, 1926. of the sandy path in the shade by a slight movement of its head. Even after I had jumped about 8 ft aside it was content to stay there without moving or rattling until Lamb came up when it rattled & tried to escape. In four of the five case the rattlesnake did not sound any warning. Saw a male Surf Scoter the other day as it flew by along the beach. Heard a coyote howl just a few minutes ago in the first time since we have been here. The mammals that we have caught have been mainly immatures or one with broken skulls.

San Felipe, S.I., Lower Calif., Mexico. Gilmore April 4, 1926 35 traps caught. 1 ? Neotoma (im) 1 ? Paramyces 5 ? Perogonathus (2 im). Went hunting on the beach and took one immature Larus californicus (?) one Sterna elegans and one Sterna caspia. Saw numerous Larus occidentalis livus, Larus melanurensis, Larus californicus, Sterna elegans, three Sterna caspia and a pair of Aegialitis nivos?, & one Pandion Halidetus carolinensis. 90. Sterna Caspia ? Killed on the beach in the afternoon at high tide. for exchange 91. Sterna elegans ? 300.0 G. Same as above.

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San Felipe, S.L. Lower Calif. Mexico April 5, 1926. Gilmore 1406 \ 92. Pisobia minutilla ♂ 22.3 G. Killed from small flock on beach. \ 93. Pisobia minutilla ♂ 21.9 G. Same as above. (skeleton only) Went hunting on the beach in the morning at high tide and took three Pisobia minutilla and one Aegialitis vivosa. Saw numerous guests to Sterna Caspia. The Aegialitis vivosa were intermingled with the Pisobia minutilla. The day has been very disagreeable due to strong wind & heavy afternoon rain.

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34. San Felipe, S.L. Lower Calif. Mexico. April 6, 1926. Gilmore 1926. 94. Larus heermanni ♂ Killed at the beach at high tide. 95. Larus heermanni ♀ Same as above. 96. Lophortyx californicus vallicola ♂ 14¾ q. G. killed in thicket under mesquite. Went down to the south end of the bay about 5 or 6 miles away. saw took one Aegialitis semipalmata one Symphema semipalmata miornata two Larus heermanni and one Lesser Lythya affinis. Saw small flocks of Aegialitis semipalmata and Aegialitis rivosa. Many Larus delawarensis, Larus Californicus, Some Larus occidentalis lucianus, and Larus argentatus, many Stoma caspia and Stoma elegans; many Lythya affinis and Didemia sorpicellula. Many Gara (?) one Pandion haliaetes cardinensis, some Pelecanus calif- omicus and three Pelecanus ery- thropyndus; some Phalacrocorax (?) one Didemia deglandi about three pairs of Himonious longirostris, ten to twelve Upshya Virgata, two Nycticorax nycticorax naevus, one Ardea herodias. The Lythya affinis and

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San Felipe, s.l. Lower Calif. Mexico April 6, 1920. Oidemia perspicillata were in flocks of from 10-20 and often close to the shore. The Oidemia deglandi was seen all alone with a flock of perspic- illata. Three Larus hemmanni were seen in a large flock of gulls. Came back partly blinded and saw numerous Jackrabbits, Mimus polyglottis leucopterus, Toxostoma deserti, Geelvinkia brunnea brunna- eacapillus couesi, one Sophistyx calif ornicus, one Myiarchus cinerascens vallida cinerascens quite a few Auriparus flaviceps, New Phamaeopha intensa and two Veturis parisorum. Took one Sophistyx californicus vallidea one Toxostoma lesetti, one Geelvinkia brunneicapillus couesi and one Myiarchus cinerascens cinerascens. Lamb found a heron's nest in a mesquite. It had three eggs, and a wait for the bird resulted in a miss. The Sophistyx californicus vallidea was killed in the brush under a mesquite Tree & located by his flucking after a Myiarchus cinerascens cinerascens had been shot from a giant cactus near by.

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Gilmore 1926. San Felipe, S.L. Lower Calif., Mexico. April 7, 1926 97. Lophortyx californicus vallicola ♂ 146.9 G. Killed in Lycium thicket. 98. Mimus polyglottis leucopterus ♂ 54.5 G. Killed on the wing in brush draw. 99. Myiarchus cinerascens cinerascens ♂ 38.6 G. Killed from top of mesquite near brushy draw on desert. Went hiking down to the desert area at the south of the bay and took one Auriparus flaveiceps, two Polioptila plumbea, one my saw nearly the same birds that were seen yesterday. The three heron's eggs were gone, probably taken fly away and only one parent was on hand. Saw quite a few young Ianius ludicivianus brevistlodes and Lomb found a nest wit! two bluish speckled eggs, resembling Mearns Thrasher's. Birds were quite plentiful. 100. Polioptila plumbea ♂ 5.1 G. Killed (Skeleton only) in a Lycium brush in open desert. 101. Lizard. Killed under Lycium bush in opendesert.

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San Felipe, S.L. Lower Calif. Mexico. April 8, 1926. 15 traps caught 1 ♀ Dipodomys deserti 1 ♂ Dipodomys merriami 102. Dipodomys deserti ♂ 107.8 G. 341-186-58-13. Caught under in hole in open space on Desert. 103. Dipodomys merriami ♂ 47.5 G. 251-146-39-9 Saw Caught under Lycium bush near the one above. 104. Lizard Killed under Lycium bush in Brushy part of draw. Went down to the beach and took the only Larus philadelphia seen. Saw about 3 Larus glaucescens, one Numenius longirostris + numerous other common gulls and terns. Made two sets for coyotes this afternoon near beach and baited them with some dead fish cast aside by the fisher- man! Set 35 traps out in the desert in late afternoon but may not catch much due because of strong wind blowing.

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San Felipe, s.l. Lower Calif. Mexico. April 9, 1926 38. Gilmore 1926. 33 traps caught. 1 ♀ 1 ♂ Perognathus 1 ♂ Dipodomys merriami '105. Canis latrans ♂ 21 lbs. 1125-348-177-119. Caught near beach with set baited for with fish. '105. Canis latrans (skull) same as above. '105. Canis latrans (skeleton) '' '' '' sketching was lost one fore foot with claw and the other without. '106. Dipodomys deserti ♀ 120.4 G, 347-217-54-4 (skeleton Caught in desert by foot & dug out. only) Had an old scar along thigh from old trap wound. Caught a Coyote in one of the two sets. The set was baited with fish and set near the water on the beach. Went down to the beach to hunt and saw Merganser serrator, a Larus philadelphia several hundred Aphriza virgata, 10-15 Rumenicus hudsonicus Several Larus glaucescens. Besides the numerous common water birds. Set 35 traps in the foothills for new mammals.

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Gilmore 1926 San Felipe, s.l. lower Calif. Mexico. April 10, 1926. 35 traps caught 1 ♂ Dipodomys deserti (im) 2 ♀ Perognathus Coyote set caught ( 1 ♂ Neotoma 107. Larus californicus (?) killed on the (skeleton only) beach at low tide. 108. Merganser serrator ♀ killed off north (skeleton only) rocky headland. 109. Patamyscus ♂ 13.6 G. 179-96-40-17 Caught (skeleton only) in rocky ground in foothills. 110. Patamyscus ♀ 19.8 G. 193-105-21-18 Smoked above. deserti 111. Dipodomys deserti ♂ (im) 46.8 G. 739-133-51-8 Caught in sandy wash at base of foothills. lepidus 112. Neotoma ♂ 122.0 G. 774-134-33-31, Caught in trap set for coyote. 113. Crotalus Run over in road by auto. 109. Spermophile ♀ 134.9 G. 743-95-35-4 Day catch in front of Kangaroo rat hole in # bare sand on desert. 114. Lizard shot in desert under Lycium bush. 115. Lizard " " " " Tail seemingly growing from old stub. Trapping in the rocky foothill was poor in the spot chosen. Only neotoma sign was a tail left in a rat trap. No new birds on the beach or land.

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40. San Felipe, S.L. Lower Calif. Mexico. April 10, 1926. The rattlesnake that was killed was run over by Huey's Ford when returning from the trap line in the early mom- ing. It was lying coiled in the rut eating a night salamander or lizard which we recognized as a kind of which they had taken 3 or 4 & we one. The snake showed no fight in endeavoring to defend his meal.

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Gilmore 1926 San Felipe, S.L. Lower Calif. Mexico. April 11, 1926. 25 traps caught a Pun of Perognathus unida ♀ 116. Neotoma♀ 124.7G.311-138-33-29 Caught in niche in rocks in hillside. merriami ♀ 117. Dipodomys merriami♂ 30.1G. 242-150-38-9. Caught in sandy area next to base of mountains. ♀ 118. Cathartes aura♀ Caught in coyote trap. (Skeleton) Day catch. only) The trapping in the hills was poor Not withstanding the good signs. Caught a Cathartes aura septentrionalis, and one Passerculus sandwicensis claudius in the coyote set.

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Gilmore 1926 San Felipe, S.L. Lower Calif. Mexico. April 12, 1926. 17 traps caught 2♀ + 1♂ Neotomas 119. Neotoma ♂ 105.7 G. 294-137-34-28 Caught in large brushy draw. Sandy silt. 120. Neotoma ♀ 113.5 G. 306-148-34-30. Same as above. 121. Neotoma ♀ 87.9 G. 272-121-32-29 Same as above. 122. Canis latrans ♀ 15 lbs 1075-300-170-110 Caught near beach with set baited with dead fish. 122. Canis latrans ♀ (skull only) of about after 123. Lizard. Shot in brush of Lycium & arrowweed. Caught the coyote in the set this morning after a stormy night. She was quite exhausted from her efforts to escape. The trap line caught only wood rats & immatures at that. Had a severe rain storm from 8-12 A.M. In between squalls we shot some warblers that came near camp. We seemed to be right in the path of the migration for after the storm we went up to the tide marsh & on the way saw numerous Empidmx difficlis difficilis, Vermivora celata Lutecens { Wilsomia pusilla pileolata,

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San Felipe, S.L. Lower Calif. Mexico. April 16, 1926. and a few St. Lucas Flycatchers, Empidax griseus, Oboromis suchas occidentalis, Oboronis Molmieri & Zenaidura macroura 1 & Troglodytes adon parkmani, 1 & Craspija chlorura , Veres very vicineior , 1 Lagomis nigricans semiatra & Ardea herodias 1 Dendroica occidentalis, 1 Dendroica nigrescens and 1 Hylocichla guttata slavini. The long draw that runs parallel to the beach and just back of it was filled with these migrants who hopped around in the dense Lycium bushes & allowed close approach. When we reached the tide mark 4 Ardea herodias immediately flew off away, they were very wary. We observed two ducks in the slue But when I flink close enough to shoot there was only one & it was a Clangula clangula Americana ♀. An examination of the slue in both directions did not disclose the other duck. On the way back we I saw 1 Pandion haluete Carolinensis 1 Aperjella breweri, a few Costae Celypte costae , 1 Filmmus polyglotis Leucopterus & Passerella -- and a few Polioptila plumbea .

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Gilmore 1926. San Felipe, S.L. Lower Calif. Mexico. April 13, 1926. 44. The Passerula were very shy & reticent. In the early morning I observed for the second time on the trip, a large duck flying heavily inland & high up. It appeared to be a large duck but it flew more like a brant than anything else but Haley who saw the first one also said that it was a loon. The A. Zenaidura macrura were observed after they had flown flew from the sand bank at our approach. The Vireo vicinimion was marked out after it had been heard singing under a sage bush. No traps out tonight due to inclement weather. 124. Clangula clangula americana F shot in tide marsh slough.

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San Felipe, S.L. Lower Calif. Mexico. April 13, 1926. 125. Mimus polyglottis leucopterus ♂ (juv.) 53.9 G. killed in the air as it flew from Lycum brush to mosquito tree. 126. Larus glaucescens ♀ Killed on beach among a flock of mixed gulls near fish camp. 127. Larus heermanni ♀ killed over the (skeleton) surf at high tide with some terns. 128. Lizard shot in sand. Day cleared off in the afternoon. In the afternoon at high tide, took a Larus glaucescens from a large flock of mixed gulls. His dead body attracted among others, a Larus occidentalis lucens which was shot. One other was seen at the same time. They are quite scarce. A Larus heermanni immature was shot shot while in company with a large flock of Sterna elegans which were feeding diving into a school of fish near shore. The heermanni did not try to rob the elegans like the other gulls did, but dove and caught for herself. One other was seen at the same time.

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San Felipe, s.l. Lower Calif. Mexico. April 14, 1926. 35 traps caught 2 ♂ Perognathus 1 ♂ + 1 ♀ Dipodomys deserti 1 ♀ Dipodomys merriami /129. Dipodomys deserti ♂ 119.0g. 338-200-56-12 Caught under creosote brush in front of tule. 130 Dipodomys merriami ♀ 40.5g. 234-135-36-12 Caught under creosote bush on mound of sand on open desert. /131. Numenius hudsonicus ♀ Taken from a (skeleton) small flock on rocky beach. only /132. Lesse Bithya affinis ♀ Taken from a (skeleton) small flock in a sandy milet. only /133. Cercyle aleon caurina ♂♂♀ 188.5g. Killed (skeleton) on rocks of north rocky headland. Fat. only Snapped that night on desert and in Arroyo and desert was the best. Went up to the north rocky headland of the bay and saw Cercyle aleon caurina for the first time, butto for Ardea virescens anthonyi. Saw more living gulls today than previous day. Saw two Ardea herodius on the rocks which after being chased about a quarter of a mile flew straight out cross the bay for the distant beach on the other side. A few

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San Felipe, S.I. Lower Calif. Mexico. April 14, 1926. Actitis macularia which flitted from rock to rock at the waters edge but did not allow close approach. When they deemed that they had gone far far enough they flew back again, describing a large arc over the water. The Ardea virescens anthonyi was found sitting among the rocks at the very end of the promontory. Blue Colymbus nigricollis californicus(?) was seen off shore diving for fish

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48 San Felipe, s.l. Lower Calif., Mexico. Gilmore April 15, 1926. 1926 29 traps caught. 3♀ and 1♂ Dipodomys merriami 1♂ Dipodomys deserti 1♂ Perognathus merriami↓ /134. Dipodomys merriami ♀ 39.9 G. 238-136-39-10 Caught on desert in sandy small sandy draw between two low hills, & [illegible] between stick of dead " /135. Dipodomys merriami ♀ 43.0 G. 205-117-38-11 Caught in same small draw under sage. " /136 Dipodomys merriami ♂ 46.5 G. 243-142-38-12 Caught in same draw under creosote bush. " /137. Dipodomys merriami ♀ 53.9 G. 256-135-36-11 Same as 135. deserti↓ /138. Dipodomys deserti ♂ 135.8 G. 373-211-56-14. Caught on small sandy hill in front of two, /139 Lizard Shot on desert /140. Buteo borealis calurus ♂ Killed from ocotillo brush near camp. /141. Lizard shot [illegible] in sandy draw under creosote bush. The merriami were all caught in a small sandy wash bed that ran between two small low hills about a quarter of a mile thru. It is about the same distance from the beach & its watershed is dotted

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Gilmore 1926 San Felipe, S.L. Lower Calif. Mexico. April 15, 1926. 49. Sparsely with ocotillo, creosote, a kind of saguaro bush that was a sharp thistle and a few cholla. Shot a Buteo borealis calurus, immature from camp. He was perched on an ocotillo and allowed an approach of within up to 60 yds. On the beach I shot a Calidris arenaria. It was feeding on the beach at high tide with another one. The other circled around once and then left, after the shot.

50. San Felipe, s.i., Lower Calif., Mexico April 16, 1926 Gilmore 1926 35 traps caught. 1 ♀ Neotoma 2 ♂ Dipodomys deserti 1 ♂ Dipodomys merriami 1 ♀ Tetogamathus. 145. Neotoma ♀ 154.9 G. 320-153-31-35 Caught mider [illegible] brush in short deep draw. 143. Dipodomys deserti ♂ 119.3 G. 333-176-54-16 Caught under creosote bush in same dip that yesterday were caught. Dragged the trap for about 60 yds. 144. Dipodomys deserti ♂ 84.2G. 303-170-54-15 Caught in front of hole on low broad sandy hill. 145. Dipodomys merriami ♂ 41.2G. 242-140-37-11 Caught in ditto draw under creosote bush. 146. Lizard shot in sandy draw 147. Lizard shot on /" hill. 148. Lepus ♀ 475-83-110-146 Shot in Brushy draw. 148. Lepus ♀ (Skull only) Birds were scarce today and took only two migrants. Found a heron colony with at least 2 nests with egg. For bird seen, see Census of this date. Found an old mine shaft which did not have any bats.

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MUSEUM OF VERTEBRATE ZOOLOGY CENSUS SHEET Locality San Felipe, S.L. Lower Clif. Nature of route (zone, fauna, associations) along Date April 16, 1926 Sandy and sity draw parallel Observer Raymond M. Gilmas to Beach, along long tide marsh, Time in field 3 1/4 hrs. over desert back of beach 7-3mi; Approximate no. miles 8 Weather Clear and Warm. Species Hours >>-> Totals Cathartes aura septentrionalis || | Calyptra costae ||| # 4 Calyptra Selasphorus rufus (?) || 2 Corvus corax californensis |||||||| 13 Empidornax difficilis difficilis I 1 Mimus polyglottos laucopterus |||||| | 6 Phainopepla nitens ||| 8 Smythnis sayus || 2 Aldea herodias (?) ||| 3 Vireosylva gilra | 1 Vireo huttoni huttoni | 1 TOTALS (hourly and grand) 23 13 8 446

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San Felipe, s.s.l. Lower Calif. Mexico. April 17, 1926. 38 traps caught 2B & 2♀ Perognathus 1♂ Perognathus baileyi baileyi 1♂ and 1♀ Dipodomys merriami arenivagus 1♂ & 2♀ Dipodomys deserti deserti 149. Spermo Spermophilus ♀ Citellus tereticaudus tereticaudus ♀ 127.8 G. 240-87-35-3 Shot in front of 4at Dipodomys deserti deserti twb. 150. Dipodomys merriami arenivagus ♀ 117.6 G. 233-133-36-11 Caught in front of a[illegible] hole on [illegible] sandy hill. 151. Dipodomys deserti deserti ♀ 112.5 G. 348- 201-54-16 Caught in front of hole on sandy hill. 152. Dipodomys deserti deserti ♀ 104.2 G. 340- 204-53-15. Same as above. 153 Crotalus killed on side of sandy hill while lying coiled in sand in D[illegible]. Caught two Perognathus baileyi b. today, Symb 1 & D1. the first ones taken. They were both taken in a sandy draw about 400 yds apart. Both catches were under c[illegible] bushes. Wait up to the h[erm colony to get] the eggs I had found yesterday & get one of the l[lorris]. When we

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Gilmore 1926 San Felipe, s.h. Lower Calif. Mexico April 17, 1926. approached to within a quarter of a mile the herons flew from their nests, and another heron (presumably the male who had been perched on a nearby tree joined them and all four flew overhead from 100-200 yds high. We concealed ourselves, I about 30 yds from the nest and Somb about 60. After a long wait of perhaps a half an hour, during which the herons had flown off over the desert, one time heron flew back, low to the ground and lit heavily near her nest. I was concealed under a cresote brush about 30 yds away but at the first slight move I made to raise my rifle she flew heavily away. After waiting for another half hour during which time I change to a better position, Somb grew tired perhaps of his cramped position and inaction, and got up. While he was walking towards the nest two of the herons flew about 50 yds overhead and he killed one. We took two of the three sets of eggs, each of which had two

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San Felipe, S.L. Lower Calif. Mexico April 17, 1926. Gilmore 1926 53. eggs apace. Two of the eggs were in the tree and the other was in the adjacent one. Two nests were about 20 ft. from the ground and one about 15 ft. high. The trees were members of a long string about a half mile long in a large wide sandy draw. Numerous other nests were present but were old. One set of eggs was presented to Mrs. Confield with complements of the University of Calif. In the way back I found a large Crotalus coiled in the sand in the sun and it was about 8: A.M. Walking in front of him so that my shadow fell across his face brought forth no sign of life or any rattle. However, a stiff punch with a stick gotting produced a quick strike which was quickly followed by another longer and more vicious one, at the same time moving toward me. Only, util he it realized that it could not reach me and striking at the death stick did no good, did he try to escape.

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San Felipe, S.L. Lower Calif. Mexico. April 17, 1926. Going to the shore in the evening after the sun had set I observed and took a pair of Brymophilus fulicarum—that were feeding in the surf. They bobbed on the surface of the water and rode the breaks like corks. They seemed to like best the place where the breakers broke. Here they would go up and down with the waves every once in a while dipping their 2 bills in the water in a horizontal way like a duck scooping grain off the surface of the water, and every now and then when a comb broke directly above they saved themselves a drenching by rising quickly a few feet in the air and immediately landing on the seaward side of the breaker. They were quite tame and allowed close approach.

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55. San Felipe, s.l., Lower Calif., Mexico. April 18, 1926. Gilmore 1926 8 traps caught 1 & Ammospermophilus leucurus b. 1 & Peromathus baileyi b. 153. Ammospermophilus leucutus 1. & 126.1 G. 225-63-37-7 Day catch in sandy Draw heretofore mentioned.

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Laguna Salada, Lower Calif. Mexico. April 19 Left San Felipe at 8:15 P.M. and made about 50 miles before dark. The Laguna & Salada was a sea of mud. Broke two leaves on front spring and discovered that two more had been broken on the way down, which necessitated blocking up the body on the front axle. Helped two Mexicans out of a mud hole and traveled on with them.

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Gilmore 1926. Laguna Salada, 30 mi. S. El Mayor, Lower Cahi. April 20, 1926. Worked all the next day at getting the Mexicans truck out of the ditches. Towings another truck with two Americans and one Mexican, came up and got stuck about 1/2 mile behind us. They then abandoned their truck after taking all food and valuables from it and joined forces with us. We made eight miles all day. Two more leaves on the front spring broke which made it necessary to do some more temporary repair work with boxwood.

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Calxico, Imperial Co. California. April 21. We took on one of the newcomers and transferred half our load to the Mexicali truck keeping the specimens on our truck. Then by our trail breaking we got thru the mud after much hard work and worry over the broken spring. Made El Mayor about 3.00 P.M. and after eating our fill and making more substantial repairs on the front spring we started out for Mexicali 45 miles away over better roads. Arrived at Mexicali at 6.30. Saw some Cottontail Rabbits, Turkey Vultures, Ravens, Phainopeplas Gumbel's Guail, Swallows and Flycatchers.

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Gilmore 1926 Calexico, Imperial Co. California. April 23, Staid over in Calexico while machine was being fixed. Did some shopping and looking around.

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60. Gilmore 1926 El Mayor, 30 N. Lower Calif. Mexico. April 23. Left Calexico at at 1:30 P.M. and Got in El Mayor at 6:00 P.M. Pitched camp about a mile south of the pumpstation near an old well with good water. Many mosquitoes and flies. Weather promises to be very hot. Numerous night hawks and bats made their appearance in the early and evening.

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Gilmore 1926. El Mayor 30ft. Lower Calif. Mexico. April 24. 154. Icterus bullockii ♂ 30.5 G. Killed from small willow while in company with a mate. 155. Icterus bullockii ♀♂ (im) 29.5 G. Killed in willow clump while with mate. 156. Myiarchus cinerascens c. 24.6 G. Killed in willow thicket low down. 157. Tyrannus verticalis ♂ 33.8 G. Killed from tall willow next to camp. 157. Lizard Shot while running in sticks under willow thicket. Went hunting in the early morning and had no trouble in killing the birds. Many Sophornyx gambelli were in pairs, the cocks calling loudly in their single shrill note from thicket bush fence post and willow tree. Many Icterus bullockii were to be found among the willows, often first betraying their presence by their rapid chattering song. Many Tyrannus verticalis Pipilo aberti, Petrochelidon lunifrons c. and Stelgidopteryx serripennae. The swallows fly in bands of from 5 to 70 over the willow thickets and water. They were sometimes to be found perched on a willow branch at the water's

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Gilmore 1926 El Mayor, 30, Lower Calif. Mexico April 24. edge. I found a nest of a Pipilo calberti in a small willow thicket. The nest, containing three small birds about 2 weeks old, was about 8 ft. from the ground and located in a crotch against the trunk. The nest was quite shallow and the mother bird could be seen on the nest before she flew, when an approach of 3 or 4 ft. Saw several pairs of Tanivireo solitarius cassini were seen among the willows. One pair of Myiarchus cinerascens c. was seen in a willow thicket. A small wood- specker probably a Calyptorhynchus, along the river bank were numerous Agelaius phoenicea Sonoriensis and Tyramnis verticalis. One pair of Zenaidaura macoura m. was seen. The region worked is flat overflow land of the Hardy River dotted with scattered willows willow clumps and small draws filled with arrowweed. Along the bank some willows grow together with from a bamboo-like plant and a deciduous plant that bears a oval sharp burr.

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Gilmore 1926. El Mayor, 30th. Lower Chit, Mexico. April 25, 1926. Sunday 63. 33 traps caught 1♀ Peromyscus 2♀ and 1♂ Perogonathus 158. Peromyscus ♀ 17.0 G. 128-47-20-18 Caught under fence post in open ground with tail straight lined with burrow it. P. talapozi 159. Perogonathus ♂ 21.8 G. 192-101-25-7 (skull only) Same as above. talapozi √ 160. Perogonathus ♀ 16.3 G. 188-106-24-6 same as above. √ 161. Lizard Shot in rocky, gravelly draw. √ 162. Lizard Shot among leaves in willow thicket near well. √ 163. Pipilo aberti ♀ 42.9 G. Killed on bank of (skeleton only) irrigation ditch. √ 164. Tyranus verticalis ♀ 40.4 G. Killed in (skeleton only) air as it was flying from bog g land. Worked up towards the hills a couple of hundred yds back in my hunting. The hills are not hills at all but large fans alluvial fans or pan fans formed by wash material from the mountains about a mile farther back. They resemble a huge railroad fill of gravel with the long level on top surface and the abrupt end with sloping side equal to the angle of repose.

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Gilmore 1926. El Mayor, 30 ft. Lower Calif. Mexico. April 25, 1926. of the fragments. Numerous Stelgidopteryx serrifemmes and Agelaius phoeniceus sonorums were found around a damp and flooded piece of ground next to an irrigation ditch accompanied by a few Molothrus ater. A Mimus polyglottos fleucopterus was perched on a near by willow near the water but was quite wary. Working back up to the gravelly fan I roused two Chordeiles acutipennis texensis from under a low shrub. They led me to a draw leading up into the fan in which I found some Vermivora lutescens celata and immature Auriparus flaviceps. On the way back I took a Cistothorus aberti which was on the bank of the ditch mentioned above. In the afternoon while in swimming saw numerous Tyrannus verticalis and A. p. sonoriums near the water's edge. Heard many Splintyz gambelli in the dense arrowweed. While setting some steel sets I killed a Cottontail rabbit in the arrowweed and one Chordeiles acutipennis, texensis Heard some owls just a while back.

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Gilmore 1926 El Mayor, 30ft. Lower Calif. Mexico. April 26. 35 traps and & steel sets caught. 1 pair Percogranthus auduboni 165. Sylviachus ♀ 353-40-86-80. Killed in at edge of arrow-weed patch. √ 166. Lizard killed in draw in rocky ground under Creosote brush. penicillatus 167. Percogranthus ♂ 21.6 G. 143-105-24-7 Caught in arrow-weed association. " √ 168. Percogranthus ♀ 16.4G. 180-98-24-7. Same as above. " 168 Percogranthus ♀. 16.4G. 180-98-24-7. (checked contents) 169X [illegible] (skeleton only) venicellatus √ 169. Percogranthus ♂ 20.4 G. 198-106-25-7. Caught under mesquite in rocky draw. √ 170. Lophortyx gembelli ♀. 146.1 G. Killed with mate on sandy ground near irrigation ditch, √ 171. (skeleton only) L. gambelli ♂ 162.167.1 G. Killed in near arrow weed clump, near irrigation ditch. Wait back to the hills in the mom. and saw quite a few birds. (See census. for this date) The Ugelains phoenixus sonor- urnis and Stelgidopterix serripennes were Stelgidopterix per most common. The Chordeiles antipenones tersensis seem to be

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Gilmore 1426 El Mayor, 30 ft. Hardy River, Lower Calif. Mexico. April 26. ready to lay from examination of the specimens taken. One of the steel sets was sprung this morning probably by a coyote. According to the natives and people living down here there are Kit and Red Foxes, Civet Cats, Hornles Badgers and Coyotes with in all probability a few Lions. One Indian brought in an old skin of a Red Fox. Besides the Helgidosterys serripinnus, two three Petrochlidum limifons L were seen. Last night while running the trap line about 9:00 P.M. I saw a Homed Owl which was sitting on a thicket of brush about 10 ft from the ground watching over a small field. He flew when I approached within about 30 yds & flashed the flash light at him.

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67. El Mayor, 30 mi. Hardy River, Lower Calif., Mexico April 27. Gilmore 1926 53 traps caught 5 ♀ and 3 ♂ Perognathus 172. Peromyscus ♂ 23.7 G. 179-89-19-19. Caught under mesquite in draw in Jan. 173. Peromyscus ♂ 13.4 G. 168-90-18-18 Caught in rocks near grave on Jan. 174. Perognathus ♀ 12.7 G. 188-100-23-7 Caught in rocky draw in alluvial Jan. " 175. Perognathus ♂ 18.2 G. 179-95-24-5. Caught in arrowweed association. " 176. Perognathus ♀ 14.6 G. 176-96-22-6 Caught in rocky draw in alluvial Jan. " 177. Perognathus ♀ 19.9 G. 198-111-26-6 Caught in arrowweed association near ditch. " 178. Perognathus ♀ 21.0 G. 170-96-23-6 Same as 177. 179. Perognathus ♀ 21.2 G. 191-106-23-6 Caught in rocky draw in Jan. What hunting for Cottontails along the brushy area next to the river, an but although I saw 12 or 15, I had no luck. Saw numerous S. verticalis and S. soripenues. Took a P. amona in the evening from a pair that were fluttering over the open fields among arrowweed. Set 13 traps for Neotoma in the rocky foothills at night.

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68. Gilmore 1926 El Mayor, 30 ft. Hardy River, Lower Calif. Mexico. April 28, 1926. 13 traps caught 3 Peramyscus 180. Perognathus ♀ 12.7G. 5/2-21-4 Caught in rocky draw in alluvial fan. 181. Perognathus ♀ 17.2-G. 12/4-40-22-6 Same as above. 182. Peromyscus ♂ 11.8G. 17/6-10/-21-18 Caught in bare rocks in foothills. 183 Perognathus ♀ Rocky draw in alluvial fan. (in formalin) 184. Perognathus ♀ Same as above. (in formalin) 185. Icterus bullockii ♂ (im) 26.0G. Killed while sitting in willow. (skeleton only) The 13 traps set among the rocks in the foothills caught only 3 Peromyscus which were so badly eaten by ants during the night that they were worthless. Found a single white egg in a depression in the rocks. It was about the size of a large pullet egg and was set in a large round space with a few vine stems around it. Probably it is the nest egg of a C. a. septentrionales. Caught a Geococcyx californicus in the steel set but it was too far badly mutilated to be used as a specimen.

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13 mi. N. El. Mayor, Lower Calif., Mexico. April 28, 1926. Moved camp in the afternoon to a place north of El Mayor. On the way up we were told by Johnny Martin, the old white man at El Mayor that the hawks were very scarce this year and that the preceding years he could not raise chickens very well on account of the large number of hawks. For some unaccountable reason they are not present this spring. We saw only one around here and that was when we were passing in the arito about 4 miles north of El Mayor. Left camp in a threatening sky and ran into a thunderstorm accompanied by a little rain about 10 miles north. Found a good looking locality and pitched camp in the thunder & rain. Storm grew more and more severe as time went on & is still going now at 8:30 P.M. thus prohibiting the setting of traps.

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13 mi. N. El Mayor, Lower Calif., Mexico April 29. Gilmore 1926 70. 186 Ammospermophilus ? 99.8 G. 181-23-38-8 Shot under a fruit Lycium bush. 187. Ammospermophilus ? 103.3 G. 220-70-39-8 Same as above. 188 Sappinctes obsolitus ? (lim) 15.2. Shot among boulders in wash at base of mt. 189. Spizella passerina arizonae B 92.9 G. Shot while sitting on Palo Verde in large fan. 190. Lizard Shot in creosote clump on gravelly ground. 191. Lizard Shot next to the road in sandy soil. 192. Dendroica auduboni a. B 13.5 G. Killed from Palo Verde on desert next to Alluvial fan. 193. Melanerpes crocygiales B 70.7 G. Shot from tall dead willow near slough. 194. Bat 12.7G. Shot while flying from hills to (in formalin) water, in evening. 195. Bat 3.9 G. Same as above (in formalin) 196. Bat 4.0 G. Same as above (in formalin) 197. Bat B 13.4 G. Same as above. Enterus fasciatus Wait hunting up a long rocky draw in a large alluvial fan which leads to the Mt. and saw more birds near the base of the Mts than

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13 mi. N.of El Mayor, Lower Calif. Mexico. April 29. in the more open part of the Jan. Phamogepla niths, A. flaviceps, Seterus bullocki, C. a. septentrionalis, P. plumbea and M. c. emerascens were the commonest birds. Saw a few Calypte costae, Vermi- vora celata lutescens and one flock of Fengella passerma arizonae. In the afternoon worked the country from the camp down towards the river. Saw a Dendroica auduboni a. several Znaidura macrorham; three Melmorpes uropygiales, three Dryobates muttallii 30-40 A. p. sonomensis, 3-4 Blue Grosbeaks, several J. verticalis, one V. c. lutescens and once A. flaviceps. The D. muttallii and M. uropygiales were very shy and it was only by a piece of luck that I got one. In the evening while we were out on the trap line where we had a regular bat shoot. The bats were flying straight from the hills to the river and we took eight before the scanty supply of ammunition ran out. The open country is full of flies and mosquitoes, making a camp here very uncomfortable.

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13 mi. N. of El Mayor, Lower Calif. Mexico Gilmore April 30. 1926 29 traps caught 1 ♀ Dipodomys deserti d. 2♂ and 2♀ Dipodomys merriami arnivagus 1 ♂ Perognathus baileyi b 4⚥ and 1♀ Proganathus -?-?- deserti / 198. Dipodomys deserti d. ♀ 90.1 G. 324-190-52-12 merriami / 199. Dipodomys merriami arnivagus ♀ 29.5 G. 231- baileyi \ 200. Perognathus baileyi b. ♂ 28.7 G. 218-120-25-5 perisilvatus / 201. Perognathus ♂ 17.5 G. 129-45-24-5. Caught perisilvatus \ 202. Proganathus ♂ 11.5 G. 148-79-22-4 same merriamius / 203. Perognathus ♂ 16.5 G. 157-75-23-6 same \ 204. Bat ♂ 12.0G. Killed while flying from as above. as above only under creoste bush. Entisaurus? truceua tills to river in early morning! Left camp at 7.00 after preparing the mammals caught. The trapping was very good, very many perognathus being present. The trapping was particularly good at the mouth of a sandy draw that ran out of the alluvial fan. Camped 6 miles east of Jacumba.

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Gilmore 1926 San Diego, s.l. San Diego Co, Calif. May 1. Arrived here at about 2:30 PM after a cold trip over the mountains. May 2. Spent the day at museum & zoo May 3. Spent the day fixing machine for trip to west side of Lower Calif. May 4. Packed El Mayo specimens & completed shopping for trip May 5. Fixed the machine. May 6. Left San Diego at 8:00 AM. and camped about 25 miles out of Ensenada. May 7. Left at 1:45 AM. & took the new road to St. Vincente. All but the last 3 miles were fine but the last 3 miles was thru the creek bed in a canyon & the going was very hard.

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74. San Jose, 2500 ft. Lower Calif. Mexico. May 8. Gilmore 1926 Arrived here at 3:30? P.M. after hard trip over mountains. ?th the road was washed in many places out due to many recent rains. Gilmore 1926. May 9. (Sunday) √ 205. Horned Toad Caught in road 10 miles west of San Jose. Gilmore 1926 May 10. √ 206. Lizard shot on willow limb at edge of swampy ground. √ 207. Snake killed in marshy ground among damp grass √ 208. Neotoma ♀ fuscipes (no skull) √ 209. Neotoma ♀ fuscipes beat the Went hunting up stream for some owls but did not see any. Instead we saw a family of Sparrow Hawks and took two. Caught a snake crawling along across the path in the wet grass and a lizard on the trunk of a willow.

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Encina Primera, 6000 ft. Lower Calif. Mexico. El Primera Encina May 11. Gilmore 1926. Camped here after an easy ride from San Jose. Did not see many birdson the way but up in the steeper mts I frequently heard the call of the Mountain quail. At Encina Primera the Poor Wills were very numerous, actually flying among the rocks a few yards from camp. Gilmore 1926. Alcatraz, 7000 ft. Lower Calif. Mexico. May 12. Reached here at 4:30 P.M. after 7 hrs in the saddle. Start' Started from Encina Primera at 7:00 A.M. & arrived at La Gruela at 1:00 P.M. I saw one Homed Owl about 3 miles south of the last camp. At La Gruella I saw some FaralBuxe Cormorants, Mallards, & Mudden . At Alcatraz heard numerous Mountain Quail and Poor Wills and saw one Homed Owl

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Gilmore 1926 El Cayon Canyon, 3600 ft. E. base San Pedro Mts. Lower Calif. Mexico. May 13. Arrived here at 4:30 P.M. after a continuous ride since 7:30 A.M. The trail from Alcatraz to Santa Rosa Valley was good but after that it was very bad. The trail about 2 miles out south east of Vallo de Santa Rosa dropped down a steep rocky canyon and contin- ued to do so thru Canyon after Canyon. for about 10 miles. From the top of the ridge one could look over 10-16 miles of terrificaly rough mts, over a long narrow desert, over the San Felipe mts to the blue waters of the Gulf. The camp at El Cayon is located among some mezquite trees at the edge of a good stream. On either side precipitous canyon walls rise 6 for several thousand ft. The place seems to be a good mountain sheep habitat but none have been seen. A few mice or rats were seen in the mezquite trees and among the rocks.

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El Cayon Canyon, ft. E. base San Pedro Martir Mts. Lower California Mexico May 14. Gilmore 1926 210. Snake killed while it was going past the camp near creek Spent the day making camp and assorting equipment. Blue The canyon is full of birds and the creek is full of frogs. Between the two we have music day & night. Gilmore 1926. May 15 40 traps caught. 14 Neotoma and + 1 Toad 3 ? Perognathus 211. Toad caught in trap in sandy gravel assoc. 212. Snake caught at edge of creek under willow brush. spinosa 213. Neotoma ♀ 136.8 G. 306-133-33-31 Caught among granite boulders at edge of stream. spinalus 214. Perognathus ♀ 18.6 G. 193-107-23-5 caught in sandy gravel association. vermian 215. Petomyscus ♀ 18.1 G. 182-91-21-18 Caught in grass near stream. spinatus 216. Perognathus ♀ 13.0 G. 174-101-21-5. Caught among rocks at edge of stream. oranium destroyed by mice vermian 217. Petomyscus 19.0 G. 180-93-20-18 Caught in grass near stream. spinatus 218. Perognathus 12.5 G. 178-95-22-5. Caught among rocks at edge of stream.

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El Cayon Canyon, 3200 ft., E. base San Pedro Nits Lower California, Mexico. May 15, Gilmore 1966. 78. \$ 219. L. c. vallicola \S 160.0 G. Shot from top of dead willow near stream. \checkmark 220. Lizard Killed on sandy gravel flat. \$ 221 C. c. clarinensis \S Shot while flying over the camp with another pair. The catch on the trap line last night was not very good, perhaps due to the fact that the nights are dark. The flats and open spaces are limited here due to the extreme roughness of the mountains. The canyons are very steep and narrow hus cutting off space in the bottom until the creek bed alone is left. When two canyons converge there is sometimes a small flat like the one back of camp. The bottom flat is composed of a coarse sand, probably arkose interspersed with numerous boulders of granite. The vegetation consists mainly of ocotillos, palo verde, mesquite & willow. The creek bottoms contain willows where they alone are found. The steep sides of the canyons are covered with loose boulders and ocotillos & cardones (giant cactus). The birds are quite numerous along the willow & mesquite thickets but thin out towards the tops of the canyon.

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Gilmore 1926 El Cayon Canyon, 3700 ft. E.base San Pedro Martir Mts. Lower California, Mexico. May 16. Sunday. 39 traps caught 1♀♂ 1♂ Perognathus 1♂ Peromyscus 222. Neotoma ♂ 17.1 G. 318-143-33-29 Caught under tuma cactus among rocks. 223. Peromyscus ♂ 19.5 G. 185-97-18-20 Caught under mesquite tree near creek. 224. Perognathus ♀ 23.8 G. 201-116-21-5 Caught among rocks at base of hillside. 225. Peromyscus ♂ 16.8 G. 976-91-18-21 Caught among rocks near creek. √ 226. Lizard Day catch on trapline under rock. Went down to the head of the canyon in the morning, a distance of about 2½ miles from camp. The canyon was steep and narrow all the way. The white winged doves grew more abundant towards the mouth and desert jims were found within easy distance of the mouth. The broods of S.C. vollicola were much more advanced than those around camp. Saw some antelope signs around the creek at the canyon's mouth. The creek dries up as soon as it reaches the sand. Saw the recent remains of a mountain sheep in one place. The coyote signs were also numerous.

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Gilmore 1926 El Cayon Canyon, 3200ft. E. base San Pedro Martin Mts. Lower California Mexico May 16, Sunday. Many M.c. omerascens, Calypte costae, and Tiroa fusillus were seen, young & adult. About 4h 5. Aeronauttes melan- oleucus were seen flying quite low, and sometimes subdoping to the edge of the water.

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Gilmore 1926 El Cayon Canyon, 3200 ft. E. base San Pedro Martin Nths Lower California, Mexico May, 17. 39 traps caught nothing. 227. Lizard. Killed on rock in canyon bottom. 228. Lizard " " " " " " 229. Peromyscus ♂ 20.1 G. 186-99-21-17. Caught among rocks on side of hill. 230. Peromyscus ♀ 16.6G. 178-97-20-19. Caught under mesquite near creek. 231. L.C. vallicola ♂ 150.0 G. Shot in canyon bottom toward hills head of canyon. 232. L.C. vallicola ♀ 178.1 G. Same as above. One fully developed egg. Others in embryo. 233. Lizard. Shot on mesquite tree near creek. 234. Lizard. " " " " 235. V. pusilla ♂ 7.9 G. Killed from mesquite in canyon with water. 236. C.m. frontalis ♂ 18.9G. Killed from Palo Verde on flat between two canyon. 237. Lizard shot from large granite boulder near stream.. Trapping last night was very poor for some unknown reason. While hunting in the morning I saw the same common birds, M.c. emerazens, Calypte costae and V. pusella the most common. Quite a few L.C. vallicola and M. lucoplera were heards seen. One C.m. frontalis & 1 Polioptila a. hiscura were seen.

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82. El Capon Canyon, 3200 ft. E. base San Pedro Martin Mts Lower California, Mexico May 18. Gilmore 1926 36 traps caught 1 ? Perognathus repida ! 238. Neotoma & 177.5 G. 311-120-33-35 Caught under rocks on side of hill. annivus 239. Peromyscus & 20.7 G. 196-106-21-18 Same as above spinatus 240. Perognathus & 17.9 G. 188-105-30-5 Caught in grass near stream. venicor 241. Peromyscus & 26.7 G. 189-96-30-17 Caught cranium destroyed by mice among rocks at base of hill. 242. Piranga ludoviciana & 30.5 G. Shot from willow at edge of stream. 243. M.c.cinerascens & 28.6 G. Shot from mosquite near creek. for exchange 244. M.c.cinerascens & 28.5 G. Shot from Palo Verde on small flat. Trapping still very poor both for small and large mammals. The birds around here are quite plentiful but the do not take in many species. The most common species are probably M.c. cinerascens, C.costal C.m frontalis and V.pusilla. The locality is a paradise for entomologists & ligaria hunters. The nights around the lantern are fraught with danger on account of the million or million different species of bug

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83. El Cayon Canyon, 3200 ft. E. base San Pedro Martin Mts Lower California, Mexico. May 19, Gilmore 1926 35 traps caught 1 ♂ Neotoma s 1 ♀ Perognathus 245. Neotoma ♂ 18.7 G. 338-155-34-31 Caught among rocks at base of hill. 246. Neotoma ♂ 148.1 G. 308-131-31-29 Same as above. 247. Perognathus ♂ 18.0G. 186-101-21-6 Caught among rocks at base of hill. 248. Perognathus ♀ 17.5 G. 198-111-21-7. Same as above. 249. Melanerpes Uropygiales ♀ 56.7 G. Killed from an ocotillo on the side of a steep hill. 250. Lizard Shot among willow brush at river bottom. 251. Rana Caught in creek in front of camp. 252. Bat ♂♂ 3.6 G. Shot about dark while (Skull flying over the camp. only) not found Trapping still poor. Set out 2 more steel sets which with the 3 already out makes 5. The coyotes etc are scarce also.

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Gilmore 1926 El Cayon Canyon, 3200 ft. E.base San Pedro Martin Mts. Lower California, Mexico May 20. 84. 5 traps caught 5 steel settings caught 1? Peromyscus 1? arvycyon. 253. Lizard shot on desert at mouth of canyon 254. Rana Caught in creek in front of camp. 255. Peromyscus & 19.1 G. 201-104-20-21 Caught among the rocks at foot of hill. 256. Troganathus ? Urcyon & 6 lbs 9 10-3 78-1 20- 75. Caught on trail at edge of creek canyon. 257. Accipiter cooperi c. & 266 G. Killed while flying over edge of canyon near mouth. 258. M.c. cinerascens & 25.1 G. Killed on an ocotillo near the mouth of the canyon. 259. Rana Caught near camp in the water of creek. 260 L.c.vallicola (im) 7.7 G. Killed under a mosquito at mouth of canyon. Sex unknown. 261. L.c. vallicola (im) 7.6 G. Same as above (in formalin) 262. L.c. vallicola (im) 7.1 G. Same as above (in formalin) 263. L.c.vallicola (im) 7.2 G. Same as above (in formalin) Went down to the mouth of the canyon in the morning. See Census for today. Found nests of V. pusilla that had young.

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El Cagun Canyon 3200 ft. E. base San Pedro Martin Mts. Lower California, Mexico. May 21. Gilmore 1926 35 traps and 4 steel settings caught 1 ? & 1 ? Peromyscus 1 ? Peroganathus, / 264. Crotalus exol(10) killed on rock under mesquite tree near brushy thicket between two streams. / 265. Rana Caught ma large rock at edge of stream. / 266. Rana " " / 267. Rana " " " " / 268. Rana " " " " " 269. Rana " " " " " / 270. Lizard Shot on rock on open flat. / 271. Lizard Caught in camp water bucket. menicus / 272. Peromyscus ? 18.9 G. 199-96-20-20 Caught among rocks on side of hill. 273. Peromyscus ? 16.3 G. 168-89-20-19 Same above apenatus / 274. Peroganathus ? 14.2 G 176-94-21-5 Same as above. veseyi / 275. Citellus ? 142.7 G. 243-64-48-22 Shot among rocks & sand at edge of stream. for exchange 276. M.c. cinerascens ? 27.4G. Killed from mesquite near creek bed. / 277. C.m?frontalis ?(im) 20.2 Killed from a mesquite tree on small rocky flat. Trapping and hunting not very good. A screech owl came close to camp last night but did not allow a shot. All the Ranas caught today were found on the side of a rock at the edge of the stream.

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El Cayon Canyon, 3700 ft. E. base San Pedro Martin Mts 80. Lower California, Mexico. May 22. Gilmore 1946 40 traps and 5 steel sets caught 3♂ P ♀ Perognathus 278. Perognathus♀ 25.7G. 194-106-21-5 Caught on slight shelf near creek. Under tuma cactus. 279. Perognathus♂ 15.9 G. 185-99-21-6 Caught under willow sprout among stones and gravel at edge of stream. 280. Peromyscus♀ 26.0G. 193-105-19-19 Under rocks & boulders on side of steep hill. 281. Peromyscus♀(im) 7.5 G. 138-17-17-15 Somewhere 282. Neotoma♀ 104.9 G. 301-136-32-28 Somewhere 283. Neotoma♂ 156.8 G. 314-142-33-28 " " 284. L.c.vallicola♀ 169.1G. Killed from mesquite tree at edge of stream. One fully developed. 285. L.c.vallicola♂ 157.5 G. Same as above. 286. Crotalus exo[illegible]Killed towards evening in a large mesquite thicket next to the stream evening The rattlesnake killed towards was killed about 20 yds away from where the other one was killed namely, a mesquite and arrowweed thicket. quite dense narrow with a few trails leading through it. There are some large flat rocks in it and also some tuma cactus.

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El Cayon El Cayon, Canyon, 3200 ft. E. base San Pedro Martir Mts Lower California, Mexico. May 23. Sunday Gilmore 1946. 87. 40 traps and 4 stake setting caught 1♀ 1♂ Neotoma. 1♂ Peromyscus + 1♂ Proganathus 287. Proganathus ♂ 17.5 G. 203-112-21-6 Cayht under weed on open rock stream flat. 288. Peromyscus ♂ 17.0 G. 179-94-21-20 Caught under willow sprout on damp ground next to stream. Rocky gravel association. 289. Neotoma ♂ 163.2 G. 316-141-33-31 Caught under willow thicket near stream on dry ground. Rocky loam assoc 290. C.m. frontalis ♀ (lm) 18.9 G. Killed from a calo verde tree on small rocky flat.

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88. El Cagon Canyon, 3700 ft. E. base San Pedro Martin Mts Lower California, Mexico. May 24. Gilmore 1926 40 traps and 4 steel settings caught nothing. 291. C.m. frontalis P(im) 17.7 G. Killed from marguite near creek. 292. C.m. frontalis F(im) 18.3 G. Killed from thorny bush on side of rock bank. 293. Lizard Caught in mouse trap in morning under a tuna cactus. 294. Lizard caught in mouse trap set among rocks ne in bed of stream. 295. Tachycineta thalassina lepida B 15.4 G. Killed from a small flock while flying low over the stream. Trapping poorer than usual. The C.m. frontalis are growing more numerous and the A.p. hesperophila, more scarce. saw four [illegible] M.p. leucoplerus today, the most seen here at one time so far. Some Tachycineta thalassina lepida D put in their appearance today.

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84. El Ceyon Canyon, 3200 ft. E. base San Pedro Martir Nts Lower California, Mexico. May 25. Gilmore 1926. 60 traps and 6 steel settings caught. 3 toads 296 Peromyscus ♀ 27.0 G. 186-95-19-21. Caught among rocks on side of low flat. Rocky gravel. 297 Peromyscus ♀ 18.5 G. 191-101-21-21 Some cobble. for exchange 298. M.C. cinerascens ♂ 29.7 G. Killed from a mesquite tree near stream. 299. M. c. cinerascens ♀ 27.1 G. Killed from a rock near stream. 300. P.f. senicula (im) ♀ 36.1 G. Killed from willow tree near stream. 301. Tachycinetata thalassina lepida ♀. Killed while flying over camp. 302. Lizard. Caught in mouse trap set near among rocks & brush near stream.

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90. El Cuyon Canyon, 3600 ft. E. base San Pedro Martir Mts Lower California, Mexico. May 26. Gilmote 1926 55 traps and 6 steel settings caught. 2 ♀ Perogantus 3 ♂ + 2 ♀ Peromyscus 1 ♂ + 1 (lim) Neotoma √ 303. Lizard. Caught in mouse trap set among rocks near stream. √ 304. Lizard shot among willow twigs & sand in mesquite thicket. * 305. Bat ♀ 4.4 G. 74-28-5-8 killed while flying over camp. √ 306. Perogantus ♀ 16.4 G. 173-95-21-5 caught on rocky gravelly flat among sticks & deadsville. √ 307. Peromyscus. ♂ 0. 198-109-22-20 caught among rocks on side of hill. " " √ 308. Peromyscus ♂ 20.5 G. 183-94-20-18 same as above. " " √ 309. Peromyscus ♀ 17.8 G. 185-99-21-20 " " " " " √ 310. Peromyscus ♀ 22.7 G. 198-107-21-20 caught among rocks near stream. lapida √ 311. Neotoma ♂ 50.0 G. 305-131-33-31 same as above. lapida √ 312. Neotoma (lim) 66.7 G. 243-112-30-27 " " " lapida √ 313. Neotoma ♀ (lim) 87.0 G. 275-134-31-28 caught among rocks on side of hill. beechey √ 314. Citellus ♂ 138.1 G. 290-110-48-21. Caught in steel setting set on trail among rocks near stream. √ 315. Lizard caught on a short hanging on a limb of a mesquite tree to camp.

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91. El Cayon Canyon, 3200 ft. E. base San Pedro Martin Mts. Lower California, Mexico May 27. Gilmore 1926 60 traps and 6 steel settings caught. 2 ? Peromyscus 1 ? Perognathus for exchange 316. N. cinerascens ? 27.4 G. Killed from an acotillo limb on side of rocky hill. 317. Peromyscus ? 19.4 G. 177-89-21-19 Caught among rocks on side of hill. " 318. Peromyscus ? 15.5 G. 170-83-20-18 Caught among rocks near stream. 319. I. cucullatus nelsoni ? 24.9 G. Killed from a mesquite bush near stream. for exchange 320. Aerodites melanoleucus ? 27.3 G. Killed while flying low over stream. 321. I. cucullatus nelsoni? 15.6 G. (im) Killed from a mesquite limb in an arrowweed thicket. 322. Empidonax difficilis d. ? 10.9 G. Killed from mesquite tree near stream. 323. M. p. leucopterus D(im)52.8 G. Killed in a mesquite tree near stream. 324 Lizard Caught in mouse trap set among the rocks at base J hill. The M. p. leucopterus are getting more common all the time but strange to say we have not once heard its "merry whistle tunes".

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El Cayan Canyon, 3200 ft. E. base San Pedro Martin Mts. Lower California Mexico. May 28. Gilmore 1926 60 traps and 6 steel setting caught 1 δ Neotoma 1 δ Peroganathus √ 325. Gerrhonotus killed while lying on a large willow limb. A tree near the stream. √ 326. Lizard shot on a large rock near the stream. √ 327. Lizard same as above. 328. Peroganathus δ 18.1 G. 194-113-21-5 Caught among scottles (illegible) on rocky flat hill. √ 329. Promyaeus ♀ 11.1 G. 147-26-19-17 Same as above. √ 330. Neotoma δ 165.5 G. 318-140-35-31 " " " √ 331. Neotoma δ 136.5 G. 311-142-32-29 Caught under tuma cactus on in mezquite and arrowweed thicket. √ 332. Citellus ♀ 149.7 G. 305-131-46-22 Shot while running over large flat rock on creek bank. √ 333. P. mitens (?) (im) 25.4 G. killed from a mezquite tree near stream. √ 334. P. mitens δ 26.6 G. Killed from an ocotillo near stream bank. √ 335. Lizard killed from rock on large rocky flat. Quite a few P. mitens present today in large bands. They stuck together I were quite wary. M. p. leucoplurus also increasing but are unaccommodably silent, saw a couple of heavy lizards on the

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93. El Cayon Canyon, 3200 ft. E. base San Pedro Martir Mts, Lower California, Mexico. May 28 Gilmore 1926 late evening tonight. Killed two pipistrelle bats tonight. The bats are quite common in the evening. They are flying quite high, I in an uncertain fluttering manner during the early evening while there is considerable light, but later when it is quite dark they fly much lower and straighter. There are quite a few Ammospermophilus around here but they can not be caught in rat traps baited either with oats or with biscum ring. They are also quite wild and do not allow a good shot at them.

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El Cayon Canyon, 3200 ft., E. base San Pedro Martin Mts Lower California, Mexico. Gilmore May 29, 1946. 60 traps and 6 steel settings caught 1 Bat Citellus 336. Bat ? 4.3 G. 74-28-6-9 Killed while flying over camp. 337. T. fuscus semicula ? (juv.) 35.9 G. Killed while sitting on a mesquite tree in a narrow side canyon leading up into the mountains. 338. L.c. vallicola ? (juv.) 75.9 G. Killed near in canyon filled with mesquite etc & grass. 339. L.c. vallicola B (juv.) 48.2G. Same as above. 340. T.nitens (?) (juv.) 18.9 G. Same as above. 341. M.c. cinerascens ? 67.7 G. Killed from estillo limb near main creek. 342. L.c. vallicola F (juv.) 47.5 G. Killed in mesquite bush in canyon with plenty of grass & creek 343. Lizard Shot on sand beach next to stream. 344. Snake Caught in rat trap set under mesquite on rocky flat. Walked over the top of one of the high ridges near camp. On the top I saw some M.c. cinerascens, T.c. obscura, Catherpes mexicanus conspersus, D.s. cactophilus, A. A.b. deserticola and Ammopermophillus. The sides of the ridge were very steep and rocky but on top was a small meadow where there was loose sand & a few trees.

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95. Gilmore 1926 El Capon Canyon, 3400 ft. E. base San Pedro Martir Mts. Lower California Mexico. May 30. Sunday. 60 traps and 5 traps steel setting caught. 3 ♂ Perognathus 1 ♀ Peromyscus 345. Myiarchus cinerascens c. ♂. 28.0-G. Killed from a mesquite tree near camp. 346. Perognathus ♂ 18.8-G. 193-107-31-4. Caught among rocks and brush on flat. Rocky gravel association. 347. Lizard caught in mouse trap set among rocks on flat back of camp. Cleaning up day, killed a Melospiza melodia cooperi near camp in the morning. This bird was the first one yet found seen here.

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46. El Cajon Canyon, 3200 ft. San Pedro Martir Mts., E. base. Lower California, Mexico. May 31. Gilmore 1916. 60 traps and 4 steel setting caught - 1 Φ Peromyscus 348. Lizard shot from large flat rock near small stream in Main canyon about 1 1/2 miles above camp. squatus 349. Perognathus Φ 18.6-G. 184-97-22-5, caught among willows near creek bed. remicue 350. Peromyscus Φ 29.9-G. 209-113-21-23. Caught among rocks on flat behind camp. Ω had four embryos of 45 mm length. 351. Murpocus mexicanus frontalis Φ (juv) 18.7-G. shot from ocotillo limb on flat behind camp. 352. Abtaedlinus psaltia hesperophilos Φ (juv) 5.7-G. killed from thorny bush in arrowweed patch near stream about " mile above camp. Left for the mouth of the canyon to camp for night & set some traps, at about 3:00 P.M. Killed a small rattler near the stream on the way down. For the first time so far here, we heard the singing of the Mimus polyglottis leucopterus

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97. El Cagon Canyon, 3400 ft. E. base San Pedro Martir Mts. Lower California, Mexico. Gilmore 1946. June 1. 50 traps and 4 steel settings caught- 2 & Promiscus v 353. Lizard Day catch in mouse trap set among rocks on flat back of camp. v 354. Cathaps mexicanus conspersus & 11.1- G. Killed on rocky slope of stream bank. v 355. Myiarchus cinerascens c. & (juv) 24.7- G. Killed from willow tree in bed of Stream. mexicanus v 356. Dipodomys merriami arenivagus, & (juv) 15.5- G. 222-133-34-10. Caught under encila bush at mouth of canyon. mexicanus v 357. Dipodomys merriami arenivagus & (juv). 20.4- G. 213-130-34-9. Same as above. mexicanus v v 358. Promiscus & 14.6- G. 176-94-20-15 Caught among rocks & sand in dry bed of Stream at mouth of canyon. mexicanus v 359. Promiscus & 15.7- G. 175-90-21-20 Caught among rocks on flat back of camp. Trapping and hunting was poor at the mouth of the canyon. Numerous Junaitura macoura margarella were seen assembling around some waterhole and number seems to be increasing. The Centurus wroffziales v. Myiarchus omerascens c, Melopelia asiatica neumisi Heloaytes Sanmecepillus coresi, Lophatyp californicus vellicola, and Conus erach clarwensis were

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98. El Cayon Canyon, 3200 ft. E. base San Pedro Martir Mts Lower California, Mexico. June 1. Gilmore 1946. quite common at the mouth. The burrows and runways of Citellus terricandus, t. were very common and often so numerous and close together as to resemble large colonies. The water in the stream had receded about a quarter of a mile up the canyon during the time that had elapsed since we had just come down to the mouth about two weeks previous. It seems probable that before long it will be back about a half a mile or farther. During the time of the night that the moon was up, or from midnight on, the gorwills were quite active and vociferous nearby. They kept up their plaintive whistle until almost daylight.

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99. Gilmore 1926 El Cajon Canyon, 3400 ft. E. base San Pedro Martir Mts Lower California, Mexico. June 2. 40 traps and 4 steel settings caught 2 ♂ + 2 ♀ Thomyscus ✓ 360. Lizard Diurnal catch in mouse trap set among rocks on flat back of camp. ✓ 361. Lizard Killed from trunk of mesquite tree near creek. ✓ 362. Thomomys ♁ 96.4-G, 204-71-28-4. Caught among a group of burrows about 1 mile above camp. The Burrows were in damp sand and gravel near the edge of the stream and the bottom of the burrows were full of seepage water. ✓ 363. Perognathus ♁ (jiv.) 7.9-G, 136-75-21-4 Caught among dry foxtail grass at junction of main canyon and side draw. ✓ 364. Pipilo maculatus megalonyx ♂ (jiv.) 37.4-G. Killed from a thorny bush in an arrowed thicket near stream. ✓ 365. Pipilo fuscus senicula ♂ 50.5-G. Killed from an ocotillo limb about 50 yrs up a rocky slope & on the edge of a mesquite gourd. ✓ 366. Phainopepla nitens ♂ 24.4-G. Killed from the top of dead willow near the stream. ✓ 367. Lizard caught in mouse trap set among rocks on flat back of camp. ✓ 368. Snake Caught among damp grass and rocks at edge of stream about 1 mile above camp.

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100. El Cajon Canyon, 3400 ft. E. base San Pedro Martin Mts. Lower California, Mexico. June 2. Gilmore 1946. The Homomys caught last night in one of the three or four fresh workings around here. All are situated up the canyons at a slightly higher altitude and all are located in wet sand at the edge of the stream. There were about 20 dirt piles in a group along the stream where this one was caught and since it was the only one caught out of the 5 traps set there and since no more were caught there during today, it seems probable that it was responsible for all the digging. The Phymopus lateralis are becoming much more common, both adults and young. The Mimus polyglottus leucopterus and Bemidura macroura margarella are also increasing and one can often hear the singing of the former where at first none were heard. The trapping is poor which together with an abundance of voracious ants and bad luck in have quite a number of the catches caught by the skull, makes the total number of good specimens quite small and insignificant.

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Gilmore 1926 El Canyon Canyon, 3200 ft. E. base San Pedro Martine Lower California, Mexico. June 3. 60 traps and 6 steel settings caught. 2♂+1♀ Peromyscus 1♀ Peroganathus v 369. Thomomys ♂ 108.5 G. 209-59-28-4 Caught in wet sandy gravel at edge of stream. spinae v 370. Peroganathus ♀ 19.3 G. 187-100-23-5 Caught among dry foxtail grass. Had six small embryos 11 mm. length. spinae v 371. Peroganathus ♀ 25.1 G. 198-112-23-5 Caught in dry foxtail grass. Had four large embryos 20 mm. length. spinae v 372. Peroganathus ♀ 16.6 G. 181-182-22-5 Caught among dry foxtail grass. venien v 373. Peromyscus ♂ 22.0 G. 1936/04-21-19 Caught under small rock in sand at near creek bed. venian v 374. Peromyscus ♂ 11.9 G. 167-90-18-18 Caught among rocks at base of hill. v 375. Snake Caught at water edge among loose rocks & sand. v 376. Rana caught on large flat stone at water's edge. Up the canyon. v 377. Rana Same as above. Caught today Thomomys at a collection of workings about 100 yds up stream from the last one

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Gilmore 1926 Clayon Canyon, 3200 ft. E. base San Pedro Martis Lower California, Mexico. June 3. Mentured and in the same kind of association. Two steel sets in the near vicinity drew some jays but by bad luck (or good luck for the foxes) they did not happen to step on the jims. Saw a couple of juvenile I. excullatus nelsoni near tthere also. In the evening I caught a water snake in the same place. It was lying still among the rocks at the very edge of the water and when cought attempted to escape into the water. A pair of Rana also drew my attention. I were caught also. They were a parent with a young on its back. No matter how fast the elder jumped, swam, or was shaking the young Rana would hold on for dear life with its front feet buried in its parents armpits. Killed several pipistrelles in the dusk and heard two Horned owls + one Screech owls, but owing to a broken Flashlight it was impossible to find them.

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103, Gilmore El Cayan Canyon, 3200 ft. E. base San Pedro Martires 1926. Lower California, Mexico. June 4. 60 traps and 6 steel setting caught 1♀ Neotoma (juv.) 1♂ + 1♀ Peromyscus 1♂ Perognathus 378. Bat. ♂ 3.0 G. 66-23-6-7 Shot on flat back of camp. 379. Perognathus ♂ 16.4G. 190-105-21-6 Caught in dry sandy gravel interspersed with small bowlders near stream. 380. Peromyscus ♂ 17.2 G. 176-89-20-17 Same as above. 381. Z. m. marginella ♀ (juv.) (wt.?) Killed in willow tree at edge of the stream. 382. Crop contents of 381. 383. Dryobates scolaris cactophilus ♂ (juv.) 31.3 G. killed from ootello near water in side canyon. 384. Citellus ♀ (?) 465-184-59-25 Killed among bowlders at edge of stream. 385. Cheek contents of 384. 386. Citellus ♂ 393.5 G. 359-151-57-21 Shot on rocky face J canyon in side canyon, 387. Thomomys ♀ (juv.) 79.3G. 203-64-28-3 Caught in damp sandy gravel assoc. Whent over the top of a nearly ridge by way of a large side canyon today to take some pictures.

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104. El Cayon Canyon, 3700 ft. E. base San Pedro Martirs Lower California, Mexico. June 4. Gilmore 1936 The side canyon contained a small trickle of water & numerous birds. saw a D.S. caetophila, a few auriparn Hornesp, numerous L.O. Vallesia Vone P. maculatus megalongx, several A.p. hesperophilus Ambhispira bilmeata Deserticlla, numerous Foreb belli pusillus M.C. omerascens & a few- C.O. darionensi. Up on the steep face of the ridge & on the top itself were the same Aeronautes melamolaeus darting about with marvelous rapidity. Two M.A. meamsi were seen flying along the very top of the ridge, The empty nest of a V.B. fusillus was found on the very top of the ridge in a palovate tree situated on a small mesa. There were quite a few Otellus among the rocks & rocky cliffs near the creek in the bottom of the side canyon. The Phomomp caught today was cought in a new set of working from the other two. So far three thonomy have been caught in three separated sets of daggings.

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105. El Cayon Canyon, 3200 ft. E. base San Pedro Martir's Town California, Mexico. Gillmore 1926 June 5th 55 traps & 5 steel sets caught 3 pair of Peromyscus 388. Peromyscus ♀ 78.6 G. 191-98-21-19 Caught in dry sand among small bowlders at edge of stream. '389. Peromyscous ♀ 12.8 G. 175-91-20-17 Same as above "390. Peromyscous ♂ 16.2G, 173-93-18-20 Same as above. '391. Peromyscous ♂ 13.5 G. 168-89-21-19 Same as above. Pretty good catch in traps last night. Some nights the trapping is much poorer on the same time than on others for some unknown reason. Saw an adult male Carpodacus m today the fourth me see. They are very scarce & wild. The large flocks around have seem to be composed entirely of juvenile birds. Packed up in the morning & part of the afternoon preparing to more on the arrival of the packer today, but he has not arrived yet.

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106 Gilmore 1926 El Cayon Canyon, 3200 ft. E. base San Pedro Martir Mts. Lower California, Mexico. Sunday, June 6. Look in the rest of my traps and steel sets & saw repair ? C. maculatus megalonyx and another adult male C.m. frontalis . I saw a warbler of some kind also but was unable to shoot it Waited most of the day for the packers he finally came about 5:00 P.M.

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107. La Grulla, 7000 ft. San Pedro Martir Mts. Lower California, Mexico June 7. Gilmore 1926 Started out from camp at 8:30 A.M. with 5 light loaded burros. After 5 1/2 hrs. of steady traveling we reached the top of the long steep trail. By steady riding we managed to reach La Grulla at 7:10 P.M. We saw a good variety of country from terribly rough rougher broken canyons to broad flat meadows with every type of country between.

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Gilmore 1920. La Grulla, 7000ft. San Pedro Martin Mts. Lower California, Mexico June 8. Stayed over today at the corral while the stock rested up; our packer looked over the two tracks to Vallecitos. In the lake nearby, I found 6 Pintail Ducks which promptly flew up at my approach after circling around, four of them flew away & two lit again. Cooperating with Tom he managed to get one. At the same time we saw some coots. While sitting in the truck we saw a Pandin [illegible] carolomensis, but although four shots were fired at it, it did not fall. Numerous deer were seen around here by the packer.

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Gilmore 1936. Vallecitos San Pedro Martir Mts Lower California, Mexico June 9. Left La Grulla at 8:30 A.M. and reached here at at 1:30 P.M. after 5 hrs. of continuous traveling. Although I walked ahead of the pack animals for 4-5 miles forth, general I did not perceive, but birds were plentiful.

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Gilmore 1926 Valecitos, 7500 ft. San Pedro Martin Mts. Lower Calif. Mexico. June 10. 392. Falco mexicanus B (im.) killed while flying over small meadow near camp. 393. Dryobates villosus hyloscopus ♀ 53.0 G. killed from pine tree on edge of meadow, 394. Penthestes gambeli g. ♂ 11.2 G. killed from willow-thicket in stream bed. Went hunting down stream & around camp to get the lay of the land. Set traps in thornbush in the wet grass willow tangle of the creek bed. Deer and Coyote signs were numerous. No Geometra thalassina lepida and jmco tibemalia townsendi were plentiful & some. saw some Penthestes gambeli g., Sialia mexicana amabilis, Spinus pinus p. D. villosus hyloscopus, and Sitta pygmaea leuconucha but they were quite shy,

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111. Vallecitos road, San Pedro Martir Mts. Lower Calif., Mexico. June 11. Gilmore 1926 61 traps & 2 steel settings caught. 1 P & 1 B Peromyscus. 395. Spinus pinus p. ♂ 11.4 G. Killed from a low branch of a small pine in meadow. maniculatus 396. Peromyscus boylii ♂ 21.1 G. 151-64-20-17 Caught a trace? rock run stream. maniculatus 397. Peromyscus boylii ♀ (juv) 17.9 G. 147-59-31-18 came as above. 398. Oreortyx pictus confinis ♀ 266.0 G. Killed from rock on side of pine & brush covered hill. Had 3 embryo eggs. 399. Colaptes catar collaris ♀ 122.4 G. Killed from center of small pine on edge of valley. 400. Troglodytes aedon parkmani ♂ 10.0 G. Killed from willow twig in brush in bed of creek running thru open meadow. Want hunting up stream, along the side of a wooded & brushy ridge, and back thru scattered pines. Up stream the trail led thru about 1/4 miles of willow brush where I saw a pair of Pipilo maculatus megalonyx, numerous Junco hyemalis townsendi, many Pachyrampha thalassina lepida, a Jerboe Progne subis hispania, one Troglodytes aedon parkmani, several

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Vallecitos, 7500 Ft. San Pedro Martin Mts. Lower Calif., Mex. June 11. Dendroica audoboni a. and some Panthestes gambeli g. On the side of the ridge I saw numerous Sialia mexicana anabelae one Creotax pictus confinis, a few Dryobates villosus tyloscopus, Some more P. gambeli g. And some Litta pygmaea leucomela. In the scattered forest I came I saw some Calespes capelcollares, numerous Buphcephalus c!, numerous jones Siyemalia Townsendi and some Stinus fimus p. Deer signs were plentiful on the side of the wooded ridge but I did not see any. The birds are very much more scarce in the evening than in the morning & one rarely sees very many birds Tachyometa thasulnia lepida excepted, while out on the field.

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Gilmore 1926 Vallecitos, 7500 ft. San Pedro Martin Mts. Lower Calif. Mex. June 12 53 traps & 4 steel settings caught. 1? Peromyscus 1? Eutamius Lepus ? 4lbs 55-4-56-131-162 killed on side of hill among mangam- itus brush + ipmis. 402. Eutamius P 90.4 G. 227-90-32-15 cought midn rock near stream. went up to Canyon Diablo for the view & to see if I could get any fresh meat. The view was fine but the fresh meat took good one I itself & could not be found. saw one Sciurins among the rocks + pines on a small ridge near the crest of the mts. The Geraniums melanoleucus & Tachyometa thalassina lipida were common at Canyon Diablo where they wheeled & banked at dizzy heights. Some Buteo briechus cabarus were also seen there. Libertyx pictus confinis was sense.

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114. Vallecitos, 750 ft. San Pedro Martir Mts. Lower Caly. Mexico June 13. Sunday. 60 traps & 6 steel sets caught 1 # Peromyscus Gilmore 1926 103. Peromyscus F 24.6-G. 199-103-22-20 Caught in crevice of large rock near stream. 404. Dryobates villosus hyloscopus ♂ 61.1-G Killed from top of tall dead pine. 405. Empidobax difficilis L? - ♀ 9.9-6. Killed from small willow bush at edge of stream 406. Juncio oreganus townsendi ♀ 17.9-6. Killed from middle of small pine at edge of stream. About down stream about 1 1/2 miles in the morning I saw some Emydognus cyanophalus -?-, Empidobax difficilis L?- Juncio oreganus townsendi. This cyanophalus c. The creeryx pidius crinifis, several sitta pygmaes leucorchia, one sitta carolinensis alexandrae and a few Pantheste gambeli g. One of my steel sets was spring last night by a probable unwary poke of a mouse. It is the second set getting so far.

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Gilmore 1926 Vallecitos, 7500 ft. San Pedro Martir Mts. Lower Caly. Mexico. June 14. 35 traps & 6 steel sets caught. 2 ♂ + 2 ♀ Thomomys 1 ♂ + 1 ♀ Eutamius '407. Euphagus cyanocephalus -?- ♂ 66.3-6. L.T. Killed from center of small pine at edge & stream. '408. Penthestes gambelii g. ♀ 12.1-6. Killed from willow brush at edge & stream. '409. Penthestes gambelii g. -?- ♀ 10.9-6 Killed from low branch & small pine near stream. '410. Thomomys ♀ 144.8-6. 229-68-31-4 Caught in damp sandy gravel association near stream in open meadow. '411. Sitta carolinensis alexandrae ♀ 16.6-6. Killed from lower branch & small pine among rocks next to stream. for exchange '412. Sitta mexicana arabae ♂ 25.4-6. Killed from lower branch & pine in open forest. '413. Thomomys ♂ 164.3-6. 237-64-29-4 Caught in damp sandy gravel area. '414. Eutamias merithimi obscurus ♀ 79.7-6. Caught among woods pine needle at base of three pine. '415. Sitta mexicana arabae ♀ 29.7-6 Killed from small pine at edge & meadow.

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Gilmore 1926. Vallecitos 750 ft. San Pedro Martir Mts. Lower Calif., Mex. June 14. The trapping for small and large mammals is exceedingly poor. Due perhaps to the trapping out of the fielding mammals in certain close localities by Limb & Brell last spring. I have found one fresh mole working down the creek but persistent trapping has yielded nothing although the spot I hope was somewhat jarred by the return of the mole one night, but he did not get caught.

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Gilmore 1926 Vallecitos, 7500 ft. San Pedro Martir mts. Lower Calif. Mexico. June 13. 117. 60 traps + 7 steel setting caught. 2 ♀ Peromyscus √ 416. Thomomys B 153.2-G. 223-62-28-4 Caught in damp sandy gravel association. √ 417. Thomomys ♀ 926.1-G. 211-59-28-4 Same as above. √ 418. Thomomys B 150.5-G. 235-64-30-4 Caught in dry sandy gravel association. √ 419. Thomomys B 157.1-G. 225-63-29-4 Same as above. √ 420. Tachycineta thatassina lepida ♀ 16.8-G. killed from old dead pine log at edge of stream. √ 421. Junco oreganus townsendi B 19.1-G. L.T. killed from lowa dead limb & large twig in meadow. √ 422 Euphagus cyanocephalus ♀ (juv) 45.5-G. killed while sitting on sand at edge of water, in open meadow. roslii √ 423. Peromyscus ♀ 22.9-G. 195-98-20-18 Caught under willow roots at edge of water. √ 424. Peromyscus ♀ 240-G. 166-77-20-19 Caught among large granite boulders and pines on slope of meadow's edge. Trapping is still poor for both large & small mammals except Thomomys. Thomomys are very easy

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Gilmore 1926 Vallecitos, 7500 ft. San Pedro Martir into. Lower Calif. Mexico. June 15. To catch and there are numerous workings in the vicinity. A Peromyscus was caught in a place that seemed good for Peromyscus; namely, under the same willow roots & drift needles at the very edge of the water. Hend a Loxia curvirostra -- ? -- fly past the camp in the early morning as we were eating breakfast. It was the first one seen/heard here. No other new birds or mammals.

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119. Vallecitos, 3500 ft. San Pedro Martin Mtbs. Lower Calif. Mexico, June 16. Gilmore 1926 50 traps + 8 steel sets caught. 2 ♀ & 1 ♂ Peromyscus 1 ♂ Urocyon cinereoargenteus californicus 7 traps in daytime caught. 1 ♂ Thomomys 425. Peromyscus ♀ 30.3-G. 603-107-24-23 Caught among rocks & small brush in side canyon. 426. Promyscus ♀ 20.8-G. 157-66-21-17 Caught on large rock among pine cones & needles at base & large pine at edge of meadow. 427. Diplobates villosus hypsacopus ♂ 67.9-G. Killed from top of long dead pine on bank of main canyon. 428. Neobarkas affinis ♀ 93.9-G. Killed from dead pine log in forest near canyon. 429. Neotoma ♀ 158.0-G. B06-131-32-28 Caught among large rocks & asphus on hillside. 430. Neotoma ♂ 153.5-G. 294-116-33-31 Same as above. 431. Urocyon cinereoargenteus californicus ♂ G.O.Hbs 915-405-130-74. Caught in thale set at base & small pine at edge of meadow. (over)

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Gilmore 1926 Vallecitos 7500 ft. San Pedro Martir Mt's. Lower Calif., Mexico June 16. Caught the drayon in a two trap trail set on the edge of the large adjacent meadow. The traps were set at the base of a small pine & some large rocks & other trails were nearby. Trapping for gophers is still good but Antilocas get quite only in a place that has been trapped for a few days. The fosses are becoming a little more common all the time.

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Vallecitos, 75th St. San Pedro Martir Mts. Lower Calif., Mexico June 17. 55 trap & 8 steel sets caught. nothing. 7 traps (day trapping) caught. 1 ♀ Thomomys 1 ♀ Eutamias merriami obscurus 432. Eutamias merriami obscurus ♀ 64.6-G. 228-95-31-15 Caught under rock in side canyon. 433. Eutamias merriami obscurus ♀ 71.2-G. Caught among rocks at base of large pine at edge of meadow. 434. Myochanes virens ♂ 12.9-G. Killed from death pine limb at bank of stream. for exchange 435. Empidonax difficilis -?- ♂ 10.5-G. Killed from small pine from stream. 436. Junco oreganus townsendi ♂ 16.2-G. L.T. killed among willow brush in creek bed. 437. Sitta pygmaea leucophaea ♂ 11.1-G. Killed from thick branches of pine at edge of meadow. 438. Gymnocephalus c. ♂ 93.5-G. L.T. Killed from large pine in meadow. Trapping is very poor, even for eutamias. The common birds such as Myochanes virens, Empidonax difficilis, Junco oreganus townsendi and Gymnocephalus c. are seen very

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Gilmore 1936 Vallecitos, 7500 ft. San Pedro Martir Mts. Lower Calif., Mexico. June 17. [day] but the Guanacephalus c. are plenty in other [illegible]. The large flocks that were seen constantly last year are now rarely encountered. I have come upon two flocks up to date. The Calif. Condors are also keeping to themselves, perhaps upon some inaccessible part of Cuyamaca Diablo or La Providencia for not a single one has been seen. The mole I have been trying to catch has successfully resisted all [illegible] by the Remsle method I refusing to go into the jaws of the trap but is content to poke a little dirt over it.

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Gilmore 1926. Valleitos 7500 ft. San Pedro Martir Mtbs, Lower Calif, Mexico June 18 123. 55 traps and 9 steel setmgs caught. 28 Promiscus 7 traps (day trapping) caught 1 ♂ Eutamius v 439. Thomomys ♀ 12.11- G. 7.16 - 59-29-3 Caught in dry sandy gravel association, in meadow. maniculatus v 440. Promiscus ♀ 15.8-G. 153-67-21-17 Caught among pine Crues & reeds at base of large rock. v 441. Dendroica audoboni a. ♀ 12.6- G. L.T. Killed from small aspen near stream. v 442. Empidonax difficilis -?-♀ 9.4-G. L.T. Killed from small pine at edge of stream. v 443. Empidonax difficilis -?. ♀ 9.8-G. L.T. Killed from pine at edge of large meadow, for exchange 444. Empidonax difficilis -?- ♀ 10.6- G. L.T. Killed from dead pine log in park-like forest. 445. Junco oreganus townsendi ♀ 70.0-G (juv.) killed from small pine in meadow while in company with its parents. Trapping still poor. The two Mexicans who came yesterday to repair fence here Jack brought in a deer- We have plenty of fresh meat.

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Gilmore 1926. Vallecitos 2500 ft. San Pedro Martir Mts. Lower Cal. Mexico. June 19. 134. 33 traps + 9 steel setting caught 1 Toad. 7 traps (day trapping) caught 1 ♂ Thomomys 1 ♀ + 1 ♂ Eutamias merriami obscurus 446. Eutamias merriami obscurus ♂ 70.9-61. 224-89-32-14 Caught among pine cones + needles near rock. 447. Sittae pigmaea leuconota ♂ 10.9-6. Killed from large pine at top of ridge near stream 448. Troglodytes aedon parkmanii ♀ 10.8-61. Killed from willow sprout at edge of water in main canyon. 449. Troglodytes aedon parkmanii ♂ 9.0-61. Killed from low bush on canyon side while in company with will above. 450. Tachycinata thalassina kopida ♂ 15.4-61. L.T. Killed while flying over willow thicket in stream bed. 451. Junco oreganus townsendi ♂ 16.3-61. L.T. Killed while hopping among pine cones under tree on side of ridge 452. Junco oreganus townsendi ♀ 17.3-61. (Juv.) Killed from dense lower branches of pine at edge of meadow while in company with brothers. 453. Thomomys. ♂ 157.0-61 221-61-31-4

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Gilmore 1926. Vallecitos, 7500 ft. San Pedro Martir Mts. Lower Calif. Mexico June 19. Caught in dry sandy gravel association in meadow. Trapping poorer than usual. There seemed to be plenty of Troglodytes a.p. out today. The little p.s.e. have very good plumage now and are almost as bad as the Outhistes g.g.

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Valleitos, 7500 ft. San Pedro Martir Mts. Lower California, Mexico. June 20, Sunday. 55 traps and 4 steel settraps caught nothing. 454. Etamias merriami obscurus ♂ 73.6-G. 229-96- 33-14. Caught near large granite boulders at base of pine. Two coyotes played the merry devil around four of my steel sets and escaped being caught through their own cleverness. Tramped about 7 miles all morning looking for some deer but did not see any and had to satisfy myself in the new scenery. The foxia curvirostra were quite common in the pines around camp today but were very wild and successfully resisted our combined efforts to exterminate them. Saw quite a few Colaptes cafer collaris today for the first time, and still for the first time, they seemed quite tame.

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Gilmore 1906. Vallecitos 7500 ft. San Pedro Martin Mts Lower California, Mexico. June 21. 30 traps and 8 steel settings caught Nothing. 12 traps (day trapping) caught. 14 Junco oreganus townsendi 1 & Eutamias merriami obscurus 455. Odocoileus hemionus californicus F 1800-180-450- 220. Killed while feeding next to trail on top of ridge near Canyon Diablo. After persistent hunting and tracking I finally killed a deer. I followed its tracks for a long ways in faint expectation of seeing it feeding a little off the trail but unexpectedly came upon it over at the top of a ridge feeding contently at the edge of the trail. The only drawback to the hunt was that the kill was made about 2 miles from camp & it about 3-4 hrs of hard work to get the body to camp. Saw one Buteo Butes virginicus as it flew from a pine tree in a shallow canyon.

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Vallecitos 1500 ft. San Pedro Martir Mts. Lower California, Mexico. June 26 Gilmore 1926. 30 traps and 6 steel settings caught Nothing. 456. Eutamias merriami obscurus ♀ 69.8-G. 273-89-33- 15 Caught among rocks in park like forest, 457. Lemro oreganus formosendi ♀ 17.2-G. Caught in mouse trap set at edge of stream. 458. Ephagus cyanocephalus ♂ 64.1-G. Killed from time tree next to stream in canyon. 459. Tachycineta thalassina lepida ♀ 15.4-G. Killed while flying past camp. Our trapping still continues to be the prevailing theme. Mammals, both large and small, are very scarce.

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129. Gilmore 1926 Valleitos 7500 ft. San Pedro Martir Mts. Lower California, Mexico. June 23. 30 trap and I still setting among pines in forest & along creek caught, nothing. 460. Zialia mexicana amabelae ♀ 26.6-7. Killed from dead limb of pine tree at edge of meadow. 461. Zialia mexicana amabelae ♀ 29.6-7. Killed from pine tree in forest. 462. Nuttallornis borealis b. ♂ 37.9-G, L.T. Killed from dead limb of pine tree near stream in canyon. 463. Empidonax difficilis d. ♀ 9.6-G. Killed from willow thicket in stream bed. 464. Sciurus douglasii mearnsi ♂ 316.8-G, L.T. 325-112-57-21 killed from trunk of pine tree among rocks & willows in stream bed. 465. Oreortyx pictus confinis ♂ 219.5-G. Killed while flying out of willow thicket in stream bed. 466. Troglodytes aedon parkmanii ♀ 9.6-G, killed from small pine shrub in creek bed. Went down the stream about 2 miles to a place called the La Magia in quest of some Selasphorus rufus. Besides taking three of them I got one Nuttallornis borealis brealis and one Sciurus douglasii mearnsi both new to the camp. The Sciurus Douglasii mearnsi was the 2nd one seen.

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Vallcitos 7500 ft. San Pedro Martirs. Lower California Mexico June 24' Gilmore 1926 30 traps and 6 steel settings among pines and rocks in forest and along stream caught for exchange 467. Carpodacus cassinii ♂ 27.8-6. (im.) L. T. killed from dead limb of pine-tree in forest. maniculatus 468. Peromyscus ♂ 20.9-6. 154-65=21-18 caught by rock (Lamb's catch) 469. Sciurus douglasii mearnsi ♂ 309.0-6. 322-108- 55-21 killed from small pine on ridge near stream. 470. Sciurus douglasii mearnsi ♀ 280.0-6. 320-117- 56-22. Same as above. 471. Dryobates villosus tyloscopus ♀ 52.8-6. killed from lower part of trunk of large pine near stream. I killed two Sciurus today along an accustomed path of mine. They attracted my attention by their barking & scurrying about in a tree near the trail & it was a matter of but a few minutes to secure them! I had been going over the same trail both morning and evening for the last ten days and I had not ever hear them before so they must be quite extensive traveler. Mr. Garrett & Kitans, our packers come today so we shall leave tomorrow instead of the day after tomorrow, as planned.

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Encina primera 6200 ft. San Pedro Martir Mts. Lower California, Mexico. June 25 Gilmore 1926 Arriving here at about 130 P.M. after 5 hrs. of traveling from Vallejo. Went hunting in the late afternoon and took one Rupile megalo?, maculatus megalonyx, one immature Lawrence Goldfinch and a pair Q Willow Goldfich, besides seeing numerous Troglodytes albon parkmanii some Junco oleyannus townsendi Uphelcoma california obscura and California Woodpeckers. In one place I sat down next to some wet ground my oak trees and commenced squeaking on the back of my hand to attract some birds for more were to be seen. After a few minutes of peeping a few Troglodytes albon parkmanii came hopping to a nearby oak where they hopped hopped about uttering their guttural piping. Squeaking. In a few minutes I was surrounded by eight or ten of the social little birds which continually hopped about # and every so often emitted the same low toned song. Not once did I hear them break into their more joyful song which they frequently use.

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Gilmore 1926 San Jose 2300 ft. San Pedro Martir Mts. Lower California, Mexico. June 26, Arrived here at about 12:30 P.M. after about 5 hrs traveling from the Enoma Bumera. Going thru Willow Creek I saw a few Phamosepla mitus in the scrubby mangonita brush.

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MUSEUM OF VERTEBRATE ZOOLOGY CENSUS SHEET Locality M. S. El Noyt, L. Calif. Nature of route (zone, fauna, associations) Low Date April 26, 1926. Land willow and arrowweed, Observer Raymond M. Gilmor alluvial fan with much Time in field 1 1/2 hours gravel & rock small draws, loose Approximate no. miles 4 Weather Hot and dry. Species Hours >>>> Totals 1 2 Agelaius phoeniceus sonoricensis 15 8 23 Stelgidopteryx serripennae 20 33 53 Tyrannus verticalis 5 1 6 Carthartes aura septentrionalis 2 4 6 Agutitis vociferans 1 1 Lophortyx gambelli 4 12 16 Thainopepla niteres 1 1 Icterus bullockii 1 1 Pipilo aberti #12 2 Chordeiles aetipennis texensis 2 1 3 Auriparus flaviceps 2 2 Lanius ludovicianus excubitorides 2 2 Musciculus cinereascens c. 1 1 Salmintes chrysotus #12 2 Molothrus ater 3 3 Mimus polyglottis leucopterus 1 1 TOTALS (hourly and grand) 53 70 123

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MUSEUM OF VERTEBRATE ZOOLOGY CENSUS SHEET El Canyon Canyon, 300 ft., E. base. Locality San Lorenzo Mtns. Nts. Low Cliff. Nature of route (zone, fauna, associations) 1-24- Date May 20, 1966 Observer Raymond M. Gulmao Time in field 3 hrs. Approximate no. miles 4 & 5 2:09 hr. were along bed of El Canyon Canyon, creek bed + can steep rocky Canyon walls. Mesquite & willows. 3-14 West mouth of canyon & on desert. Weather Clear and hot. Species Hours >>>> 1 2 3 Totals L.c. vallicola 27 13 12 52 Myrarchus c. cinerascens 13 14 9 36 Meopelia lacoptera 2 17 9 28 Zenaidura macrona m. 3 3 Calyptra costae 7 4 2 13 Oreo pusilla 5 6 3 14 Poliothila caerulka obscura 1 6 2 9 H.b. covesi (cactus wren) 1 1 Hylacichla ustulata 2 2 Phainopepla nitens 1 1 Melanocercus trogygles 5 5 Cuthrites aura septentrionales 2 2 Corvus corax clarionensis 2 2 Asthalagus dalthria neperophilos 1 Pipilo crissalis senicula 1 1 2 TOTALS (hourly and grand) 59 68 44 171

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MUSEUM OF VERTEBRATE ZOOLOGY CENSUS SHEET Locality Vallecitos Lower Calif Nature of route (zone, fauna, associations) 1st hr. Date June 24, 1936. three park-like forest, many miles Observer Raymond M. Gilmore brush, 1/2 mi along base of Time in field 2 1/2 hrs. wooded ridge and creek bed Approximate no. miles 4 Weather clear and warm. Species Hours >>>>> 1 2 1/2 Totals Creotyrus pictus confinis 1 1 Buteo borealis calurus 1 1 2 Dryobates villosus hyloscopus 2 2 4 Xelasphorus rufous 2 2 Calopte costae 1 3 4 Nuttallornis borealis b. 1 1 Myocharnes richardsoni t. 1 1 Empidonax difficilis -?- 1 1 Claptes caer collatis 1 1 Hphelocoma california obsura 1 1 Corvus corax clarionensis 2 2 Carpataceus cussini 1 1 Spinus pinus p. 4 2 6 Sanco oreganus torwsendi 3 6 2 11 Tachycineta thalassini lepida 8 2 9 19 Troglodytes aedler parkmanii 2 1 4 Zitta pugnaca lleconucha 1 1 1 3 Gialia mexicana anahdae 1 1 1 3 TOTALS (hourly and grand) 19 21 27 67

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