Hoffmeister 1939 Dipodomys ordii July 20 4 mi. SW Oregon, 300 ft., Morrow Co., Oregon Set out 55 traps last night, and out of these caught only one of this species, although the country seemed to be ideal Dipodomys country. Trapping in similar habitats on the Washington side of the Columbia river has yielded none of this species. However, a few specimens have been taken by the party on Block Island in the Columbia river. The region this specimen of D. ordii was taken in was the plains area which extends south of the Columbia in this region to the mountains several miles to the south, and is covered with Purshia, a type of cheat grass, and a low nearly leafless bush, with no trees or high bushes. July 22 4 mi. E Burbank, 500 ft., + 2 mi. SSE Burbank, Walla Walla Co., Wash. Caught Dipodomys at these 2 localities which are north of the bend of the Columbia but south of the Snake. Caught them in the soft sandy foothills rising up from the old Columbia River bed. Covered with dry grass + little shrubs. July 31 N.E. edge alkali lake, 4200 ft., Lake Co., Oregon I had 55 traps set last night in this alkali flat region especially for Microdipodops but caught quite a series of Dipodomys ordii. I was impressed by the reddish