Microtus majori Thomas, 1906 . Ann. Mag. Nat. Hist., ser. 7, 17:419.

TYPE LOCALITY: Turkey, Trabzon Prov., Sumela (= Meryemana), 30 mi S Trebizond (= Trabzon) .

DISTRIBUTION: Mt Olympus in Greece (Niethammer, 1987b), S Yugoslavia, N and W Turkey, and W and N Caucasus (see Storch, 1982).

SYNONYMS: ciscaucasicus, colchicus, dinniki, fingerì, labensis, rubelianus, transcaucasicus, vinogradovi (see Pavlinov and Rossolimo (1987).

COMMENTS: Subgenus Terricola . Included in the subterraneus species group by Chaline et al. (1988); considered the sole member of its own species group by Zagorodnyuk (1990). Reviewed by Kratochvll and Krâl (1974), Storch (1982) and Corbet (1978c, 1984). The European Turkish population was discussed by Kivanc (1986). Zima and Krâl (1984a) and Achverdjan et al. (1992) summarized comparative chromosomal data.