W.B. Davis 1935 2 mi. E. Lagerman, Gooding Co., Idaho. May 18. Marmots "Wood Chucks locally" on the north side of the river about ½ mi. below the bridge. I drove over there and found them in abundance. They were occupying a stretch of rocky slope along the river where numerous small springs kept a strip of grass green and luscious. Numerous boulders were present which served to some extent as dens, though many of them had dug dens into the earth banks. I succeeded in killing four females and two young ♂; the last two were discarded. The meadow was "mowed" close at the time of my visit and dung was scattered all over the place. The young were about ¼ grown and in one case they were apparently still nursing. The young were more venturesome than the adults, and it was they in most cases that gave the warning signal. I was surprised at the ability these animals have in covering ground when on the run. They appear to flatten themselves to the ground as flipping their tail retreat to their