W.R. Davis 1935. 371 5 mi. SE Murphy, Owyhee Co., Idaho, May 25, I talked with a Mr. Neslo, a rancher who has been here for many years, about the squirrels. He told me that he had seen only two of them this year, but that several years ago they were very numerous. It is his belief that some sort of epidemic broke out among them and wiped them out. The presence of so many deserted burrow systems seems to bear this statement out. He also said that poisoning had been resorted to. They appear to prefer areas in which there is short Artemisia and Atriplex, particularly the latter. In some areas they appear to have inhabited purely Artemisia covered tracts. The only we found today were chiefly in Atriplex areas. Perhaps the squirrels eat the seeds of this plant. I took a short walk through the area in which the squirrels were taken, and in which more were known to be present and failed to see a single one. They are extremely timid and their rate of recovery when