Dicrostonyx rubricatus (Richardson, 1889). The Zool. of Captain Beechey's Voy., p. 7.

TYPE LOCALITY: U.S.A., Alaska, Bering Strait.

DISTRIBUTION: N. Alaska (U.S.A.).

COMMENT: The diploid numbers are 33 and 42 for males, 32 and 34 for females; the fundamental number is 55; formerly included in torquatus; see Rausch, 1977, in Sokolov, ed., [Adv. Mod. Theriol.], Acad. Sci. U.S. S.R., Nauka, Moscow, pp. 162- 177; or groenlandicus; see Hall, 1981:836.