W.B. Davis 1935. Castle Creek, 8 mi. S Oreana, Cwythe Co, Idaho. May 27. I took a young one in the Lower Sonoran Life Zone just south of the river bridge north of Brumman. The river must be the northern limit of their range in this state, but I doubt very much that they go as far east as Twin Falls. Mr. Bachman showed us several fossils of woods, including two nearly perfect conifer cones. One looked a good deal like the cone of a Sequoia and the other a Pinus murrayana. Both had been found in the near vicinity. There were also Vertebrate remains. This morning I went for a walk around Oreana and found a single lead colored Bushtit feeding off the foliage of a Greasewood brush. I collected it as my first record for this state. The two fellows with me have both seen the species before at both our previous camps. Oreana is located on a small creek, Nort Creek, tributary to Castle Creek, and about 10 miles south of Snake River. The whole area is that of a typical lake bed - probably that of the old Idaho Formations. The mountains touched