Peterson 1935 Onychowya leucogaster brevicaudus. June 30. 1½ mi. NE Toulon, 3900 ft., Pershing Co., Nevada. One specimen caught on dry, gravelly gentle slope, beset with bushes of Serocactus verniculatus and few other low shrubs. Specimen slightly eaten. Stomach contents totally or chiefly small caterpillars. July 2. 1 mi. N Winnemucca, 4600 ft., Humboldt Co., Nevada. 3 caught on clayey slope covered with bushes. One slightly eaten. July 3. 4 mi. SW Winnemucca, 4500 ft., Humboldt Co., Nevada. 3 caught on slightly rolling clayey & sandy dry terrain, covered with bushes. July 4. 1 mi. N Winnemucca, 4600 ft., Humboldt Co., Nevada. 2 caught on sand dunes E. of Humboldt River. Terrain covered with sage brush. No endoparasites. July 16. Goose Creek, 5000 ft., 2 mi. W Utah Line, Elko Co., Nevada. One caught on gravelly slope covered with sage brush & few junipers S of Goose Creek. July 18. Tecoma, 4900 ft., Elko Co., Nevada. One caught on flat gravelly & sandy dune terrain covered with sage brush.