Mayhew 1961 Journal 21. April 8 Dale Dry Lake, San Bernardino Co., Calif. Started looking for lizards at 0830. Lots of young animals were seen — we captured 45 of them. 32 of these were weighed, measured, toe-clipped & released near the Iron Age Mine Road. The remainder were brought back to the laboratory. Very few adults were seen. We caught 3 ad ? + 4 at ?, but these were about the only adults we saw all day. We stopped looking at 1315. Then we drove to the Palm Springs area. We drove the old highway & Dillon Road again tonight, but only saw 2 Crotalus cerastes. We spent the night at Deep Canyon Desert Research Station. April 9 Palm Springs area, Riverside Co., Calif. We began looking for lizards at 0920 on the dunes north of Palm Desert. Several animals were seen, but were impossible to catch under the atriplex. We then drove to Palm Springs Panorama & Palm Springs Highlands to collect along their roads. Several large animals were seen & collected, but relatively few young animals were seen. Two Crotalus cerastes (assumed to be a pair) were seen under the same bush (Larrea) at 1315. We stopped collecting at 1600 and returned to