Murray 1949 Cnemidophorus tesselatus May 18 Triunfo, 1700 ft., Baja California a horizontal position, often sharply angled from the body when propped up on the fore legs. When running, the tail extends straight back but is clear of the ground. May 19 Same location Two ambled into camp from opposite directions almost simultaneously while we were skinning this morning. Each crawled leisurely among various objects on the ground, poking their noses under them as if making an inspection tour. One came within 5 feet of me and stopped. Then, raised on its forelegs, watched motionless for about 2 minutes before being frightened away by our movements. May 30 El Chorro, 800 ft. 2 mi W Agua Caliente (Cape District) As we were working in camp this morning, saw two come rushing down a steep sandstone bank, one chasing the other. The leading lizard kept a distance of a few inches, running most of the time and slowing to an undulating walk between bursts of speed. Several times while on the run it leaped forward about 3 inches and cleared the ground by at least an inch. Finally it ran straight up a vertical bank