Microtus nivalis (Martins, 1842) . Rev. Zool. Paris, p. 331.

TYPE LOCALITY: Switzerland, Bernese Oberländer, Faulhorn .

DISTRIBUTION: Discontinuous, mostly montane, from Spain through the Alps, Appennine, Tatra, Carpathian, and Balkan ranges to Turkey, Palestine, Caucasus, Elburz, Zagros, and Kopet Dag Mtns.

COMMENT: Subgenus Chionomys; see Anderson, 1960, or Suranomys Chaline, 1974; Gromov and Polyakov, 1977:327, considered Chionomys a full genus. Van der Meulen, 1978, Ann. Carnegie Mus., 47: 140, considered Suranomys a junior synonym of Chionomys (LDM) . Related to gud and roberti, but all three occur in the Caucasus. Peshev, 1970, Mammalia, 34:252-268, showed that further study is needed of the populations now included in this species (SRL).

ISIS NUMBER: 5301410008080029001.