Mayhew 1962 Journal 18. May 5 Dale Dry Lake, San Bernardino Co., Calif. We reached about 2000. We collected 2 Coleonyx variegatus and saw 3 Cristalus cerastes between 29 Palms and Dale Dry Lake. May 6 We arose at 0630 and ate breakfast, Then Walt Moberly took part of the class north of the road at our campsite while I took the rest down to our collecting area near Iron Age Mine Road. We both collected until about 1100, then ate lunch. Later we drove up Gold Crown Mine Road past Old Dale to look for Sauromalus obesus and Cristophyta collaris. Then we returned to UCR via 29 Palms. We reached UCR at 1810 after a trip of 381 miles. We captured, and kept or released 260 reptiles of 18 species on the trip, as follows: Urosaurus graciosus - 4 (3♂, 1♀) Coleonyx variegatus - 2 (1ad♀, 1ad? ♂?) X antusia vigilis - 4 Cristophyta collaris - 6 (5♂, 1♀) Cristophytus wioligeni - 11(8♂, 3♀) Creophilormia tigris - 24 (14♂, 10♀) Diposauna dorsalis - 3♀ (14ad, 25 imm.) Phrynosoma coronatum - 1