V.B Davis 1935 Layfman, Clark Co., Idaho, June 27 hard to see, and were its presence they not known it could very easily be overlooked. I succeeded in killing six of them in about 1/2 hrs. of hunting. There were very few old ones - I saw only four of them - but the young of the year are still out in numbers. I drove from here to Arco, stopping at a service station, called Midway, on the highway directly between Twin Buttes and Big Butte. Here there were numerous mounds of C. mollis, but I failed to see a single squirrel. I spent most of the afternoon in camp on Big Lost River at the SW edge of Arco making specimens. Big Lost River has no water in it below the point of diversion into the irrigation canals about 6 miles NW of Arco and I was told by a rancher that no water had flowed as far as Pioneer for the past 10 years and that only occasionally did the river at Arco carry water and this was