W.R. Davis 1935. Head Big Lost River, 7895 ft., Custer Co., Idaho. July 12 These birds have a peculiar screeving call that reminds me very much of the Spotted Fowhee. Variety in the bird found seemed to be lacking, although I must admit I gave very little time to the birds). Mosquitoes, Horse Flies, Deer Flies, Blow Flies and Buffalo Gnats make life miserable. There is no escaping them! July 13 My traps this a. m. held 1 Thomomy. Reset some of them. Killed a & Sciurus t. richardsoni this a. m. near camp. There are several Squirrels in this area, but they are difficult for me to locate. Looked at my traps about 10:30 and took 2 more Thomomy. This is the type locality for T. fuscus fuscus and I am anxious to get a representative series. One of these is a yg & which I placed in formalin. All the ad. ?'s taken have had 4 pairs of mammal. Took a ? Callospermophilus in the Lodge Pole pine area. No Eutamias seen. Broke camp about noon and drove back to Elba, Cassia Co., to pick up my son who was visiting with relatives there.