Journal Haber, 4.5- 1977 1 July cont. 1.9 mi. (by road) E la Joyita, 210m, Sonora, México. also a basic larrea community, but with much more Sahuaro, Mesquite, Ochoillo and 3 spps. ? Cholla . We trapped in a gravelly wash about ¼ mi. N of the Hwy. We turned-in about 2100 — still very hot. The full moon rose at about 2100 also. We slept on the cots, in the open breeze, Occasional light clouds. Warm Night. 2 July 1.9 mi. (by road) E la Joyita, 210m, Sonora, México. 0515 arose and checked traps : This locality: 6 D. merriami (1 released) 4 P.(intermedius?) penicillatus 10/100 = 10%. 6.3 mi. W (by road) la Joyita, 180 m. Sonora, México. 1 P. (intermedius²) penicillatus 2 D. merriami 3/100 = 3% . We prepared the animals beneath a tree alongside the thry. 1105 returned to San Luis and re-crossed the Rio Colorado. Drove SW to connect-up with Hwy 5. (we passed through an inspection station about 10 mi. east of San Luis — everything in order). We headed south on Hwy 5 from El Faro. Much of the land