Type.—Obtained 20 miles north-northwest of Kamloops, 5,500 ft. elevation, British Columbia, by G. M. Dawson on October 2, 1888; type in United States National Museum.
Racial characters.—Size small; color of upper parts brownish gray; skull small.
Measurements.—A female from Pass Creek Pass, Pend Oreille County, measured: total length 127; length of tail 29; hind foot 17; weight 25 grams.
Distribution.—Known only from extreme northeastern Washington at Pass Creek Pass (W.W.D.) and the Blue Mountains.
Phenacomys intermedius oramontis [Rhoads]
Phenacomys oramontis [Rhoads], Amer. Nat., 29:941, October, 1895.
Phenacomys olympicus [Elliot], Field Columb. Mus. Publ. 30, zoöl. ser., 1:225, February 1, 1899 (type from Happy Lake, 5,000 ft., Clallam County, Washington).
Microtus (Lagurus) pumilus [Elliot], Field Columb. Mus. Publ. 30, zoöl. ser., 1:226, February 1, 1899 (type from Happy Lake, 5,000 ft., Clallam County, Washington).
Phenacomys intermedius olympicus [Howell], N. Amer. Fauna, 48:21, October 12, 1926.
Phenacomys intermedius oramontis [Anderson], Canadian Field Nat., 56:59, June 8, 1942.