44 traps at dusk (including 1 Newton set along arroyo wall). Saw no lizards. Ned & Dave head Purr-wills. Had snack & then caught up on notes. Traps set in open gravelly slopes with Chollas, creosote bush, Acacia, etc. Started staying about 2300. Ned on his trap line after dusk & led 3 Parompeus. 8/12 Catch: Parompeus eremius - 2 (1 discarded) P. mainulatus - 1 Newton - 1 (along rock wall of arroyo) Paragrythus velosini - 4 Oryzomyx torridus - 1 After a quick breakfast, Dave & I explored up the rock to the E farther for a near complete. We then moved camp to ~ 3 mi. E of Topozada; elevation estimated at 7200 ft. This camp is on the north side of the main peak of this range of hills, almost directly N of San Pedro de Colores. There is another major peak to the N of us which is probably Cerro Altamira. We are on the W side of the saddle between these 2 peaks. There are lots of old mine shafts along the base of the peak to the south. I saw. Set up camp & then equipped catch. Ned & shot a jav. Verdin at lower camp. Birds seen around new camp include Raven, Ca fin Wren, Curve billed Thrasher & Say's Phoebe.