MILLER AND REHN: NORTH AMERICAN MAMMALS. 147 



Thomomys melanops Men-lam. 



1899. Thomomys melanops MERRIAM, Proc. biol. soc. Wash- 

 ington, xm, p. 21. January 31, 1899. 



TYPE LOCALITY. Timbeiiine at head of Soleduc River, 

 Olympic Mountains, Clallam County, Washington. 



Thomomys monticola Allen. 



1893. Thomomys monticolus ALLEN, 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 MERKIAM, North 



Amer. fauna, no. 16, p. 97. October 28, 1899. 

 TYPE LOCALITY. Sisson, Siskiyou County, California. 



Thomomys nasicus Merriam. 



1897. Thomomys nasicus MERRIAM, 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, vni, 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, vni, p. 146. December 29, 1893. 

 TYPE LOCALITY. Salazar, State of Mexico, Mexico. 



