Mayhew 1960 July 17 Mojave Desert, San Bernardino Co., Calif. we reached at 1730. We brought back 56 reptiles of 16 species (2 preserved- Crotalus cerastes + Chionactis occipitalis). Those brought back were: Crotalus cerastes - 1 Chionactis occipitalis - 1 Callisaurus draconoides - 9 Cnemidophorus tigris - 6 Sauromalus obesus - 3 Crotaphytus collaris - 3 Crotaphytus wislizeni - 1 Phrynosoma coronatum - 2 Phrynosoma pletykinos - 2 Xantusia vigilis - 1 Sceloporus magister - 2 Sceloporus occidentalis - 3 Sceloporus gracilis - 19 Coleonyx variegatus - 1 Urosaurus graciosa - 1 Uta stansburiana - 1 We drove 605 miles (including the 80 miles of night collecting).