Mayhew 1958 Journal 100. Sept. 10 Barton Flats area, San Bernardino Co., Calif. to the cabins along the south fork at about 6500 feet elevation. Only one lizard was seen at this spot, but the glimpse I had was so short I couldn't identify it. We captured one young of the year (S. gracilis) on the road near Jenkins Lake (~7000'). We left this area at 1450, and reached Riverside at 1510. Sept. 18 Mojave Desert, Calif. This morning at 0430 Dee Munro, Frank Aubry, Fritz Zaebot, Mark Kohn and I left on a 3-day collecting trip. We drove first to Hesperia, San Bernardino Co., Calif., arriving about 0550. At that time the air temp. was 16.4°C. We caught Xantusia vigilis, Uta stans- buriana, Sceloporus occidentalis, and Sceloporus magister in this area. In Stoddard Valley, north of Lucerne Valley, summer rains had produced a colorful carpet of annual flowers that were in bloom. In this location we caught Crotaphytus wislizeni, Calli- saurus draconoides, Uta stansburiana, & Cnemidophorus tigris. We then drove through Barstow to sand dunes a mile north of Newberry. We reached Newberry at 1500. At that time the air temp. was 36.8°C, and soil surface temp.