Smiley 1936 Dipodomys ordii 4 mi. NW Flanigan, 4200 ft., Washoe Co., Nev. July 4 Five specimens caught in area of rolling sand dunes; these as high as six feet. Sand fine, wind-blown, dirty white. Sarcobatus a major plant. Five specimens of D. merriami obtained on same trap line. July 5 N side Sand Pass, 3950 ft., Washoe Co., Nev. Area of wind-blown sand and silt without conspicuous dune structure. A major plant a sturdy-stemmed legume with tiny purple flowers Parosela. Soil gray, drifted around base of bushes. East-facing slope about 5%. July 20 3mi. N Vyg, 5900 ft., Washoe Co., Nev. 2 specimens. Terrain flat; wind-blowable sand brown, drifted to depth of t one foot under bushes of Artemisia. July 21 4 1/2 mi. NE Painted Point, 5800ft., Washoe Co., Nev. 4 caught in 57 traps. Dunes built up to 15 feet in height, 30 feet thickness. Surface of hard-packed silt alternating with wind-blowable sand in mottled patches. Sarcobatus major plant. Dunes a linear mass 1/4 mile long north-south orientation. 3 mi. E Painted Point, 5800 ft., Washoe Co., Nev. Terrain flat; Sand coarse, not wind-blowable, brown color.