MILLP:R and KEHN: north AMERICAN MAMMALS. 147 



Thomomys melanops Meniam. 



ls99. T/iotnonn/s innJanops Meeriam, Proc. l)iol. soc. Wash- 

 ington, XIII, p. "21. January 31, 1899. 

 Type locality. — Tiraberline at head of Soleduc Kiver, 

 OI^Tiipic 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 Count}', California. 



Altitude, 7500 feet. 



Thomomys monticola pinetorum Merriara. 



1899. T/iontoiin/s iiKDitici'iKs jniHtoriuii Meeriam, North 



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

 Type locality. — Sisson, Siskiyou County, California. 



Thomomys nasicus ]\[erriam. 



1897. T/iniiiniin/.s )t'/siri(s Merriam, Pi'oc. biol. SOC. Washing- 

 ton, XI, p. 216. July 15, 1897. 



Type locality. — Farewell Bend, Des Chutes River, Crook 

 County, Oregon. 



Thomomys nevadensis Meniam. 



1897. Thomomys nevadensis Merriam, Proc. biol. soc. Wash- 

 ington, XI, p. 213. July 15, 1897. 

 Ty'pe locality. — Austin, Lander County, Xevada. 



Thomomys operarius Merriam. 



1897. Thomomys operarius Merriam, Proc. biol. soc. Wash- 

 ington, XI, p. 215. July 15, 1897. 

 Ty'pe locality. — Keeler, east side of Owens Lake, Inyo 

 County, California. 



Thomomys orizabae Merriam. 



1893. Tliiimomys orizabae Meeriam, Proc. biol. soc. Wash- 

 ington, viii, ]». 145. December 29, 1893. 



Type locality. — Mt. Orizaba, State of Puebla, Mexico. Al- 

 titude, about 9500 feet. 



Thomomys peregrinus Merriam. 



1893. Thouiom ys pereyrinas Merriam, Proc. biol. soc. Wash- 

 ington, viii, p. 146. December 29, 1893. 

 Type locality. — Salazar, State of Mexico, Mexico. 



