MILLER AND REHN: NORTH AMERICAN MAMMALS. 147 
Thomomys melanops Merriam. 
1899. Thomomys melanops Meeriam, Proc. biol. soc. Wash¬ 
ington, XIII, p. i^l. January 31, 1899. 
Type locality. — Timberline at head of Soleduc River, 
Olympic Mountains, Clallam County, Washington. 
Thomomys monticola Allen. 
1893. Thomomys monticolus Allex, Bull. Amer. mus. nat. 
hist., v, p. 48. April 28, 1893. 
Type locality. — Mt. Tallac, El Dorado County, California. 
Altitude, 7500 feet. 
Thomomys monticola pinetorum Merriam. 
1899. Thomomys monticolus pinetorum Meeriam, North 
Amer. fauna, no. 16, p. 97. October 28, 1899. 
Type locality,— Sisson, Siskiyou County, California. 
/ t/ c' ' 
Thomomys nasicus IMerriam. 
1897. Thomomys n/isicus Merrlvm, Proc. biol. soc. Washing- 
" ton, XI, p. 216. July 15, 1897. 
Type locality,— Farewell Bend, Des Chutes River, Crook 
County, Oregon. 
Thomomys nevadensis Merriam. 
1897. Thomomys nevadensis Merriam, Proc. biol. soc. Wash¬ 
ington, XI, p. 213. July 15, 1897. 
Type locality. — Austin, Lander County, Nevada. 
Thomomys operarius Merriam. 
1897. Thomomys operarius Merriam, Proc. biol. soc. Wash¬ 
ington, XI, p. 215. July 15, 1897. 
Type locality. — Keeler, east side of Owens Lake, Inyo 
County, California. 
Thomomys orizabae Merriam, 
1893. Thomomys orizabae Merriam, Proc. biol. soc. Wash¬ 
ington, VIII, p, 145. December 29, 1893. 
Type locality. — Mt. Orizaba, State of Puebla, Mexico. Al-' 
titude, about 9500 feet. 
Thomomys peregrinus Merriam. 
1893, Thomomys peregrinus Merriam, Proc. biol. soc. Wash¬ 
ington, VIII, p. 146. December 29, 1893. 
Type locality. — Salazar, State of Mexico, Mexico. 
