Dicrostonyx torquatus (Pallas, 1778) . Nova Spec. Quad. Glir. Ord., p. 206.

REVIEWED BY: M. Andera (MA).

TYPE LOCALITY: U.S. S. R., R.S.F.S. R., mouth of Ob River .

DISTRIBUTION: Palearctic tundra from White Sea to Chukotka (U.S. S.R.), Novaya Zemlya, and New Siberian Isis.

COMMENT: Formerly included groenlandicus and vinogradovi; see Corbet, 1978:96, but see Rausch, 1977, in Sokolov, ed., [Adv. Mod. Theriol.], Acad. Sci. U.S. S. R., Nauka, Moscow, pp. 162- 177, who considered them distinct species. Includes chionopaes which may be a distinct species; see Gileva, 1975, Dokl. Akad. Nauk, 224:697-700, Gileva, 1980:99- 103, in Vorontsov and Van Brink, eds., Animal genetics and evolution, Junk, The Hague, and Kozlovskii, 1974, Dokl. Akad. Nauk S.S.S.R., 219:981-984. See also comments under genus Dicrostonyx .

ISIS NUMBER: 5301410008073002001.