RODENTIA: GEOMYIDAE 317 



Thoniomys talpoides idahoensis Merriamf * 



1901. Thomomys idahoensis Merriam, Proc. Biol. Soc. Washington, vol. 14, p. 

 114, July 19, 1901. 



1939. Thomomys talpoides idahoensis Davis, The Recent mammals of Idaho, 

 p. 251, April 5, 1939. 



Type Locality. — Birch Creek, 10 miles south of Nicholia, Lemhi County, 

 Idaho. Altitude, about 6,400 feet (Bailey, North Amer. Fauna No. 39, p. 108, 

 Nov. 15, 1915). Range. — Northwestern part of Snake River Plains from near 

 Arco, Butte County, and Kaufman east to near Swan Valley, Bonneville County, 

 and south on west side of Snake River to near Blackfoot, Bingham County, 

 Idaho (Davis, loc. cit.) . 



Thomomys talpoides relicinus Goldmanf * 



1939. Thomomys talpoides relicinus Goldman, Journ. Mamm., vol. 20, No. 2, 

 p. 239, May 15, 1939. 



Type Locality. — Twin Springs, 20 miles north of Minidoka, Snake River 

 Desert, Minidoka County, Idaho. Range. — Known only from Snake River Desert, 

 southern Idaho. 



Thomomys talpoides fuscus Merriamf* 



1891. Thomomys clusius fuscus Merriam, North Amer. Fauna No. 5, p. 69, 



July 30, 1891. 

 1901. Thomomys myops Merriamf, Proc. Biol. Soc. Washington, vol. 14, p. 



112, July 19, 1901. (Conconully, east base of Cascade Range, Okanogan 



County, Wash. Regarded as a valid race of talpoides by Goldman, Journ. 



Mamm., vol. 20, No. 2, p. 234, May 15, 1939; and as identical with fuscus 



by Dalquest and Scheffer, Amer. Nat., vol. 78, p. 438, September 1944) . 

 1939. Thomomys talpoides fuscus Davis, The Recent mammals of Idaho, p. 



253, Apr. 5, 1939.— Goldman, Journ. Mamm., vol. 20, No. 2, p. 234, May 



15, 1939. 

 Type Locality. — Summit Creek, in mountains at head of Big Lost River, Custer 

 County, Idaho. Altitude, 8,000 feet. Range. — In Idaho, from Snake River at 

 Acequia and Hagerman northward to drainage of Clearwater River (Davis, loc. 

 cit.) ; eastern Washington, from Pullman, Whitman County, north to Canadian 

 boundary, and in northern part of State west, north of Columbia River, to Cas- 

 cade Mountains, and thence south, west of Columbia River, to Wenatchee and 

 Merritt, Chelan County, Washington (Dalquest and Scheffer, Amer. Nat., vol. 

 78, p. 438, September 1944) ; and in British Columbia apparently confined to 

 southern parts of Monashee Range near Canadian boundary (lat. 49° N.), 

 from east side of Okanagan Valley (Osoyoos-Bridesville Summit), to Kettle 

 River (Cascade, Midway, Myer's Creek, Westbridge), and to Rossland, Trail, 

 and near mouth of Pend-d'Oreille River in Columbia River Valley (Anderson, 

 Nat. Mus. Canada Bull. 102 (1946) , p. 128, Jan. 24, 1947) . 



Thomomys talpoides falcifer Grinnell* 



1926. Thomomys falcifer Grinnell, Univ. California Publ. Zool., vol. 30, No. 6, 



p. 180, Dec. 10, 1926. 

 1939. Thomomys talpoides falcifer Goldman, Journ. Mamm., vol. 20, No. 2, 

 p. 234, May 15, 1939. 



