Thomomys talpoides tacomensis [Taylor]
Thomomys douglasii tacomensis [Taylor], Proc. Biol. Soc. Washington, 32:169, September 30, 1919.
Thomomys talpoides tacomensis [Goldman], Jour. Mamm., 20:235, May 15, 1939.
Type.—Obtained 6 miles south of Tacoma, Pierce County, Washington, by G. G. Cantwell on December 24, 1918; type in United States National Museum.
Racial characters.—A large, dark form; rich hazel in color with large, black postauricular patches and ochraceous underparts.
Measurements.—Thirteen male and 15 female topotypes average, respectively: total length 224, 196; length of tail 71, 57; hind foot 31, 29; and weight 127, 104 grams.
Distribution.—Restricted to the area about Steilacoom and Tacoma, Pierce County, Washington.
Thomomys talpoides pugetensis [Dalquest] and [Scheffer]
Thomomys talpoides pugetensis [Dalquest] and [Scheffer], Proc. Biol. Soc. Washington, 55:96, August 13, 1942.