Type.—Obtained at Fort Vancouver (now the city of Vancouver), Clark County, Washington, by David Douglas, probably in 1825. Probably not now in existence.
Racial characters.—A medium-sized, yellowish gopher with tiny, pointed ears and very small postauricular patches.
Measurements.—Two male and 10 female topotypes average, respectively: total length 227, 213; length of tail 68, 63; hind foot 30, 30; and weight 148, 117 grams.
Distribution.—Known only from Clark County.
Thomomys talpoides glacialis [Dalquest] and [Scheffer]
Thomomys talpoides glacialis [Dalquest] and [Scheffer], Proc. Biol. Soc. Washington, 55:97, August 13, 1942.
Type.—Obtained 2 miles south of Roy, Pierce County, Washington, by W. W. [Dalquest], on December 19, 1941; type in United States National Museum.
Racial characters.—A dark, yellowish-brown gopher with orange-tinged underparts.
Measurements.—Twenty male and 17 female topotypes average, respectively: total length 225, 220; length of tail 72, 71; hind foot 30, 30; and weight 128, 116 grams.
Distribution.—Known only from Roy Prairie, Pierce County.