Hendrickson 1950 Sceloporus occidentalis Aug. 26 Lower Covington Plate, 5000 ft., Riverside Co., Calif. and when I looked for the lizard again it had disappeared. 10 minutes later it reappeared at about the same spot. Stubby Spring, 4500 ft., Riverside Co., Calif. September 7 In first small canyon E. of spring watched 7 individuals foraging on sandy floor of rock-walled canyon. Fairly heavy, soaking rain the preceding day; every- things moist. Overcast until about 8:00 A.M. Heavy flight of termites—the animals seemed to be feeding mainly on these. All were moving about jerksily with short darts of about 12" or less. All were seen to move up onto the rocks at the sides of the canyon at times, but by far the greater portion of time was spent on the sand. A decidedly preferable “perch” seemed to be the exposed part of a rock which was submerged in the sand of the canyon bottom and projected 2"-5" above the sand surface. The sandy area of the canyon bottom was from 10'-20' wide; the 7 animals noted at one time were