Wolfson 1938 46. uly 9, (cont.) 1/6 mi S, 3 mi Sostine; 5500 ft., Wallowa Co., Ore. forest W of the road and set a line about 1/4 mi. long running parallel to Sostine R. Habitat covered by the 55 traps was old forest of Fir, and Larch and Lodgepole pine. Several places were wet and mossy and had small pools present. Ground cover was pine needles where crown cover was dense and shaded the ground. Where light penetrated Fragaria and Tralietrum were commonest and other species were present but not identified (but not abundant). July 10. Examined trap-line at 7:00 a.m. and had caught the following. 1 Microtus erodap and 2 Peromyscus maniculatus in the first line beside the stream. In the second line in the forest were carugh: 2 Clethrionomys, near dead twiles in dense woods; 1 Zapus, near alders and willows near the Sostine R.; 1 Microtus erodap in the wet part of the line, 1 Cutanias; 1 adult Peromyscus maniculatus and 1 sub- adult.