Gullion 1949 Gerbonetus -3- Sept 10 Red Mtn., 5300 ft., 14 mi. S Hayfork, Trinity Co., Calif.- in an open area of scrubby Brewer Oaks. The sun has been on this area for perhaps 1/2 hour and the temperature on top of the leaf litter where this animal was foraging is 61 OF. - South Dubahella Mtn., 5700 ft., 12 mi S Hayfork, Trinity Co, California - 1 with a black and white banded tail, with a light gray breast, a gray head with black spots, and a black and yellow mottled back was collected under a Brewer Oak on the crest of the SW ridge of South Dubahella Mtn at the 5700 ft elevation. Ground is covered partially with Gerbonetus prostratus and the Brewer Oak. This animal apparently was just on the edge of the Brewer Oak cover. The area is exposed to sun from sunrise until perhaps 4 p.m. The temperature under the 1/2 foot high oak is now (1:45 p.m.) 77 OF.-A second, yellow- brown lizard was taken much lower on at 5500 ft. the same ridge in needle litter under a Brewer Oak around the base of a Jeffrey Pine. This location should be shaded about 1/2 the day, but would get the full effect of afternoon sun. The temp. where this animal was taken is 75 OF. -next page-