Thomomys talpoides fuscus [Hall] and [Dalquest], Murrelet, 20:4, April 30, 1939.
Type.—Obtained at the head of Big Lost River, Custer County, Idaho, by B. H. Dutcher on September 23, 1890; type in United States National Museum.
Racial characters.—Similar to devexus but upper parts rich tawny in color.
Measurements.—Three males and 2 females from Newport, Pend Oreille County, average, respectively: total length 189, 186; length of tail 54, 57; hind foot 27, 26.
Distribution.—Along the eastern border of the state to the north of the Snake River, northeastern Washington, and the northeastern Cascades.
Thomomys talpoides yakimensis [Hall] and [Dalquest]
Thomomys talpoides yakimensis [Hall] and [Dalquest], Murrelet, 20:4, April 30, 1939.
Thomomys talpoides badius [Goldman], Jour. Mamm., 20:242, May 15, 1939 (type from Wenatchee, Chelan County, Washington).
Type.—Obtained at Selah, Yakima County, Washington, by P. [Burgner], on November 27, 1938; type in Museum of Vertebrate Zoölogy.