. Feathers. Jan. 22, 1934 Colorado R., 31 mi. N, 2½ mi. W Camp Mohave, Mohave Co., Arizona. ( cont.) which appeared to have been recently used. The traps were both arranged to drown the animal, if caught. Numerous coyote and cottontail (Sylvilagus auduboni) tracks were seen near the river. I retired to camp as dusk approached and cooked dinner and washed the dishes. Jan. 23, 1934. I arose at daylight and with Dr. Benson went to look at the beaver traps. I was rather disappointed to find that no beaver had visited them. We returned to camp and I cooked breakfast and washed the dishes. I took three no. 3 traps to make a setting for coyotes and went down to the river. In the interval between my first and second visits to the river, the banks had been under- mined to the extent that a considerable amount of earth had fallen upon my traps. I therefore moved them to better location. I made the coyote setting, and then walked south along the river, looking for birds. I saw a cactus woodpecker, seven sage sparrows and heard a wren. After I had returned to camp and had lunch, the entire party commenced the task of getting the truck out of the sand