Mayhew 1958 Dec. 19 Journal 122 5 mi. W. of Glamis, Imperial Co., Calif. temp. was 20.6°C., soil surface temp.-32.5°C. Two juvenile Uta notata + 1 adult of Urosaurus gracilis were all the animals that were caught today. Another half dozen young Uta were seen, but no adults were seen at all. We took a break for chow at 1330 and resumed our search at 1430. No reptiles of any kind were seen on this trip. A large number of house finches + quite a number of audubon's warblers were seen, however. One hooting owl was also seen. We collected specimens of all the plants growing in the area + returned to the car at 1545, slightly over 1 hour before sundown. The maximum temp. today was 79°F. We drove to the abandoned gas station on the old highway between Yarnet & 1000 Palms ( 7 mi. west of 1000 Palms) and camped for the night. We reached this area at 1945. The minimum temp. recorded tonight was 46°F. The sky became partly overcast, but no wind blew. Dec. 20 5 mi. W. of 1000 Palms, Riverside Co., Calif. We arose at 0810. We waited until 1035 to begin looking for lizards because it was too cool for them to be out earlier. at this time; air temp. was 18°C. soil surface temp was 26°C. relative humidity was 28% wind - none thin cloud cover ~ 80% of sky.