R.J. Raitt 1956 37 Journal Thomas Creek, 7600+ ft., Ruby Mts., Elko Co., Nevada. June 20 Belding Ground Squirrels were active in the campground. Warbling Vireos sang quite often during the day in spite of the rain and the Swainson Thrushes sang less frequently, mainly during periods of clearing or brightening. Lamoille Creek, 9300+ ft., Ruby Mts., Elko Co., Nevada June 21 After a quite cold night we arose to find the water left on the vegetation, ground, tables, etc. from yesterday's rain to be all frozen. The sky, however, was clear. I checked my trapline, the traps of which had been set yesterday morning and not visited since. Many of the traps were sprung but I caught 3 young Peromyscus maniculatus, one young Citellus beldingi; and one Zapus princeps. Gordon Gullion arrived in camp at about 6:30 AM and we then drove up to the end of the road again. During the past week considerable snow has melted from the upper basin and up to about 9300-9400 ft. The snow covers half or less of the ground surface. Most of the willows are beginning to put out green buds. We got there at about 7 AM and the sun was on most of the area and it was warm. We hunted until 11 AM and then returned to camp. I confined my activities largely to the timber on the floor and lower sides of the