Behle 1933. Horse Mt. 4700ft. Humboldt Co., Calif. June 2- 110. 9 Peromyscus maniculatus rubidus 156-64-19-14 14.5g no embryos - Taken at 4600 ft. under Douglas-Spruce log where fairly Dry. 111. 8 Peromyscus maniculatus rubidus 169-75-19-14. 18.8g. Taken at base of Douglas Spruce in small dry cavity 4600 ft. The hole to the Flicker nest in construction as I have mentioned was situated on the east. This afforded the birds a clear un- obstructed approach free from trees and gave them a large clear view. This may be the reason for the location of the hole. Followed this morning along a ridge to a point where I could look down over the country we had previous- ly traversed. Our Camp is located in a dense stand of timber compris- ed of yellow pine, Incense cedar, and Douglas Spruce and a little further up the slope is to be found White and Red Fir. Sugar Pine is also to be found around; Tuckeleberry + Jeffrey Pine Oak is quite common, more