Nuth, Stephen 1971 16 Reptile Collecting Trip May 13 Night driving Hwy 28 Imperial Co, Calif. almost 2300. Glamis Dunes, Imperial Co, Calif May 14 0800-1100 Parked by the canal just south-west of the big dunes. Worked a creosote bush and dune area. Rather surprised at the number of callisaurus well out into the dunes. 1437-39 We captured 3-4 (SEVERAL ♂'s and at least 1 ♀). They used creosote and desert tea as cover. 1440-43 Una notate were not as common as would be expected. Young were out in moderate numbers by 0800 and several were taken. The first large adult was seen at about 0945 on a large loose sand dune. The adult ♂ which I then noosed was basking on the sand surface at the spot where it had spent the night. The sand was hardly disturbed by its emergence. RCS surprised another nearby which ran for about 50 yards where it went into a hole under a creosote bush. Its tracks were highlighted by the morning sun and RCS took