July 23 - Palm Springs - Riverside Co., Calif. Walter Moberly, Jim Tarzileh, and I left UCR this morning at 0410 PST to take our monthly sample at Palm Springs. At 0505 we stopped at Windy Point to check the trap we had left there last Sunday, July 17. There was nothing in it but insects & spiders so we removed it and continued on to Vista Chino Dr. Sunset was at 0505 and we were in the field by 0540. (Temp = 26.5°C). The first lizard, a ♀ adult Uma inornata, was seen at 0615 in the sun on the side of a sand dune-mock. The temperature at this time were: Air 30" - 29.5°C. Air 1cm - 29.5°C. Soil Surface - 29.5°C. At dawn the sky was clear but the humidity was high enough to make it uncomfortable for us. Clouds began to build up over the mountains around us and to extend into the desert until, at 1100, the sky was at least 50% overcast and the sun was partially obscured. By 1030 (Air temp = 38°C) most lizard activity had stopped, possibly because