a gulch exposes Jurassic strata. To the east and west are Mancos shales. The basal Mancos on the east is composed of hard black shales, with a sandstone above containing numerous plant stems. In it I found several poorly preserved Inoceramus dissimilis and some unrecognizable Ostrea. Returned at 5:13 p.m. At about 2 p.m. it rained in camp, and sprinkled where we were, the rain coming from the southwest. Mr. Pratt, a guide, called at camp in late afternoon. Up the river I saw in addition to the usual birds, one Say phoebe, and 16 ravens in one flock. In camp, later, saw six nighthawks. Felger took a Lewis woodpecker. White tailed prairie dog common from the divide south of Piceance Creek to Meeker. Arkansas kingbird also common, but have seen few here. After supper Robbins and I went to barber shop and got baths, and I had my hair cut.
