Thomomys talpoides couchi [Goldman], Jour. Mamm., 20:243, May 15, 1939.
Type.—Obtained on Scotts Prairie, 4 miles north of Shelton, Mason County, Washington, by L. K. [Couch], on June 27, 1922; type in United States National Museum.
Racial characters.—A small race; rich hazel in color.
Measurements.—Thirteen male and 9 female topotypes average, respectively: total length 196, 191; length of tail 55, 53; hind foot 27, 27; and weight 87, 79 grams.
Distribution.—Known only from the type locality and from Lost Lake Prairie, near Satsop, Mason County.
Thomomys talpoides melanops [Merriam]
Thomomys melanops [Merriam], Proc. Biol. Soc. Washington, 13:21, January 31, 1899.
Thomomys douglasi melanops [Bailey], N. Amer. Fauna, 39:119, November 15, 1915.
Thomomys talpoides melanops [Goldman], Jour. Mamm., 20:235, May 15, 1939.
Type.—Obtained at head of Sol Duc River, Clallam County, Washington, by V. [Bailey] on August 28, 1897; type in United States National Museum.