S.M.B. Richardson 1934 Peromyscus maniculatus cought from the willow thicket. The drier thicket seem to harbor numerous mice. June 23 Ernold Lake 9340 ft Seara Co, California. Four individuals that were caught in an traps last night. Habitatt seems to be from the dry rocky tallow to the semi moist willow thickets. July 18 Quaking Aspen Meadow. 7500 ft. Seara Co, California Six specimens of this species have been taken in the past 4 days; Three of them were caught in Ministe sets along the meadow, 2 in rat traps at the base of pines and 1 in camp. They are not as numerous as one might expect. July 23 Still catching these animals in the Ministe sets. Avenge about 2 a day.