Mayhew 1959 Journal 50. May 15 Mojave Desert, San Bernardino Co., Cal.f. the temperature cool, so little was seen. Two Bufo boreas were collected, at the north end of Lucerne Valley, + 1 Phyllorhynchus decurtatus was found on the road about 5 miles east of Lucerne Valley. These were the only animals seen on our 123 mile trip tonight, however. We began night collecting at 1930 and quit at 2240. May 16 We arose at 0700 and immediately checked the 16 mammal traps we had set out the night before. We caught 5 Peromyscus sp. and 3 Neotoma sp., giving us a 50% take in our traps. We began to look for animals at 0810, right after breakfast. We found a Gopherus agassizi at the entrance to its burrow, where we had released it last May after marking it #6. A female unmarked Gopherus was found & marked #13 this morning, then released near our campsite. (# 6 was on a rocky knoll due west of our campsite.) A couple of Cnemidophorus tigris were seen before 0900, but no Sauromalus obesus or Crotaphytus collaris were seen until about 1000. They were not numerous until