1934. Ochotona princeps muiri, Hall, Proc. Biol. Soc. Washington, 47:103, June 13.
Marginal records.—Nevada (Hall, 1946:593): 8500 ft., 3 mi. S Mt. Rose, California (A. H. Howell, 1924:44): Markleeville; mts. W Bishop Creek; Washburn Lake; Latitude 39°, summit of Sierra.
Ochotona princeps nevadensis A. H. Howell.
1919. Ochotona uinta nevadensis A. H. Howell, Proc. Biol. Soc. Washington, 32:107, May 20, type from 10,500 ft., Ruby Mts., SW Ruby Valley P. O., Elko County, Nevada.
1924. Ochotona princeps nevadensis A. H. Howell, N. Amer. Fauna, 47:21, September 23.
Marginal records.—Nevada: 7830 ft., Long Creek (Hall, 1946:590); type locality.
Ochotona princeps nigrescens V. Bailey.
1913. Ochotona nigrescens V. Bailey, Proc. Biol. Soc. Washington, 26:133, May 21, type from 10,000 ft., Jemez Mountains, Bernalillo County, New Mexico.
1924. Ochotona princeps nigrescens, A. H. Howell, N. Amer. Fauna, 47:26, September 23.