Spermophilus richardsonii (Sabine, 1822) . Trans. Linn. Soc. London, 13:589.

TYPE LOCALITY: "Carleton-House," [Saskatchewan, Canada] .

DISTRIBUTION: N Great Plains in S Alberta, S Saskatchewan, S Manitoba (Canada), Montana (see Swenson, 1981), North Dakota, NE South Dakota, W Minnesota, and NW Iowa (USA).

COMMENTS: Subgenus Spermophilus (Hall, 1981:385) . Formerly included elegans; see comment under that species. Reviewed by Michener and Koeppl (1985, Mammalian Species, 243).