Longhurst 1939 Citellus grammurus Aug. 10 Kingston Canyon, 6350 ft., Lander Co., Nevada Rock squirrels are indeed very scarce in this area. One large one was caught in a steel trap at a hole under a projecting ledge of rocks about 50 ft. up from the bottom of the canyon on the N. side. There was very little evidence that there were many squirrels in the rocks along the canyon. What few burrows could be found showed no evidence of use and had cobwebs across them. I enquired about the squirrels of several local residents but they had seen very few and none this year. The stomachs of the one caught was entirely empty and there was not a bit of fat on his body suggesting that he had been in hibernation aestivation. Aug. 12 Baker Cr., 6600 ft., White Pine Co., Nevada A number of rock squirrels were seen at this locality. There was a colony of them near camp in a pile of large granite boulders; about 8 or 10 adults and perhaps twice that number of half grown