1919. _Ochotona fenisex fumosa_ A. H. Howell, Proc. Biol. Soc. Washington, 32:109, May 20, type from Permilia Lake, W base Mt. Jefferson, Linn County, Oregon.
1924. _Ochotona princeps fumosa_ A. H. Howell, N. Amer. Fauna, 47:33, September 23.
_Marginal records_ (A. H. Howell, 1924:34).--Oregon: About 900 ft., 15 mi. above Estacada; Paulina Lake; _Three Sisters_; Lost Creek Ranger Station, 10 mi. SE McKenzie Bridge.
1919. _Ochotona schisticeps fuscipes_ A. H. Howell, Proc. Biol. Soc. Washington, 32:110, May 20, type from Brian Head, Parowan Mts., Iron County, Utah.
1941. _O[chotona]. p[rinceps]. fuscipes_, Hall and Hayward, The Great Basin Naturalist, 2:108, July 20.
_Marginal records._--Utah: type locality; 9000 ft., Duck Creek (Durrant, MS).
1924. _Ochotona schisticeps goldmani_ A. H. Howell, N. Amer. Fauna, 47:40, September 23, type from Echo Crater, Snake River Desert, 20 mi. SW Arco, Idaho.
1938. _Ochotona princeps goldmani_, Hall and Bowlus, Univ. California Publ. Zool., 42:337, October 12.
_Marginal records._--Idaho: _S base Grassy Cone_ (Davis, 1939:350); type locality; _Fissure Crater_ (A. H. Howell, 1924:41); _Great Owl Cavern_ (Davis, 1939:350).
1931. _Ochotona princeps howelli_ Borell, Jour. Mamm., 12:306, August 24, type from 7500 ft., near head of Bear Creek, summit of Smith Mtn., S end Seven Devils Mts., Adams County, Idaho.
_Marginal records._--Idaho: _½ mi. E Black Lake_ (Davis, 1939:350); type locality.
1919. _Ochotona saxatilis incana_ A. H. Howell, Proc. Biol. Soc. Washington, 32:107, May 20, type from 12,000 ft., Pecos Baldy, Santa Fe County, New Mexico.
1924. _Ochotona princeps incana_ A. H. Howell, N. Amer. Fauna, 47:25, September 23.
_Marginal records._--Colorado: Medano Creek (A. H. Howell, 1924:25). New Mexico: Wheeler Peak (V. Bailey, 1932:64); type locality.
1919. _Ochotona schisticeps jewetti_ A. H. Howell, Proc. Biol. Soc. Washington, 32:109, May 20, type from head of Pine Creek, near Cornucopia, S slope Wallowa Mts., Baker County, Oregon.
_Marginal records_ (A. H. Howell, 1924:42).--Oregon: Wallowa Lake; Cornucopia, near head East Pine Creek; _Anthony_; Strawberry Butte; Austin.
1919. _Ochotona uinta lemhi_ A. H. Howell, Proc. Biol. Soc. Washington, 32:106, May 20, type from Lemhi Mountains, 10 mi. W Junction, Lemhi County, Idaho.