Smiley 1936 Dipodomys microps 4 mi. NW Flairgan, 4200ft., Washoe Co., Nev. July 4 One specimen on trap-line over dune area. Wind-blown sand dirty white drifted into dunes as high as 6 feet. Sarcobatus a major plant. soc July 12 July 15 2 1/2 mi. SE Hausen, 5200ft., Washoe Co., Nev. Four caught along east rim of valley which slopes north. Texture of ground variable. Where fine sand predominates over silt, footprint taken in full. Where silt predominated arch of shoe not imprinted. Sarcobatus and Artemesia present in abundance. July 24 1 1/2 mi. N Quinn River Crossing, 4100ft., Humboldt Co., Nev. 5 caught on light tan silt, semi-compacted. Terrain flatish, scarred to an extent with dry water courses. Atriplex & Sarcobatus major plants. July 25 9 1/2 mi. N Sulphur, 4050ft., Humboldt Co., Nev. 2 caught in dune area of semi-windblowable sand stippled with vari-colored pebbles less than 2mm. in diameter. Atriplex major plant. July 27 8 mi. S Sulphur, 4350ft., Pershing Co., Nev. 1/4-mile-wide bottom of valley along 6 ft.-deep wash at bottom. cream-colored silt of texture to take imprint of foot & hobnails nicely.