Peteika 1943 June 24 1 mile W Hyampom, 1200 ft, Trinity Co., Calif. There are willow thickets and a few groves of large willows and poplars. The slopes surrounding the Hyampom flat are covered predominantly with Douglas fir. About the periphery of the flat, there are scattered thickets of willow, ash, and grape, and the lower slopes, especially on the north side, are covered with a mixed, more or less open woodland. June 25 Hunted for about an hour on the flat south of camp, among willows and cottonwood thickets; then moved up onto the south facing slope above camp. The lower slope is vegetated with a deciduous growth predomi- nantly gray oak with occasional golden oaks mixed in. The latter species becomes more abundant 75-100 feet above the base of the slope. In the draws along streams, there are willows, grape thickets and ashes. Between patches of woodland. there are sizable patches of open grass, especially on drier slopes and on some of the lower prominences. Again, between the oaks, there are mixed growths of shrub- including Rhamnus, manzanita, Rhus triobata, and R. diversiloba, Ceanothus, and Creocarpus. In certain portions of the