MILLER AND REHN: NORTH AMERICAN MAMMALS. 
95 
152. Thomomys leucodon navus Merriam. 
1901. Thomomys leucodon navus Merriam, Proc. biol. soc. 
Washington, xiy, p. 112. July 19, 1901. 
Type locality.— Red Bluff, Tehama County, California. 
153. Thomomys limosus Merriam. 
1901. Thomomys limosus Merriam, Proc. biol. soc. Wash¬ 
ington, xiv, p. 116. July 19, 1901. 
Type locality.— White Salmon, Gorge of the Columbia, 
Klickatat County, Washington. 
154. Thomomys my ops Merriam. 
1901. Thomomys myops Merriam, Proc. biol. soc. Washing¬ 
ton, xiv, p. 112. July 19, 1901. 
Type locality. — Conconully, east base of Cascade Range, 
Okanogan County, Washington. 
155. Thomomys nelsoni Merriam. 
1901. Thomomys nelsoni Merriam, Proc. biol. soc. Washing¬ 
ton, xiv, p. 109. July 19, 1901. 
Type locality.— Parral, State of Chihuahua, Mexico. 
156. Thomomys niger Merriam. 
1901. Thomomys niger Merriam, Proc. biol. soc. Washing¬ 
ton, xiv, p. 117. July 19, 1901. 
Type locality.— Seaton, near mouth of Umpqua River, 
Douglas County, Oregon. 
157. Thomomys perditus Merriam. 
1901. Thomomys perditus Merriam, Proc. biol. soc. Wash¬ 
ington, xiv, p. 108. July 19, 1901. 
Type locality.— Lampazos, State of Nuevo Leon, Mexico. 
158. Thomomys pygmaeus Merriam. 
1901. Thomomys pygmaeus Merriam, Proc. biol. soc. Wash¬ 
ington, xiv, p. 115. July 19, 1901. 
Type locality. — Montpelier Creek, Bear County, Idaho. 
Altitude, 6700 feet. 
159. Thomomys sinaloae Merriam. 
1901. Thomomys sinaloae Merriam, Proc. biol. soc. Wash¬ 
ington, xiv, p. 108. July 19, 1901. 
Type locality. — Altata, State of.Sinaloa, Mexico. 
