Chionomys roberti (Thomas, 1906) . Ann. Mag. Nat. Hist., ser. 7, 17:418.
TYPE LOCALITY: Turkey, Pontus Prov., Sumila, 30 mi S Trebizond (= Trabzon) .
DISTRIBUTION: Recorded only from forests of W Caucasus Mtns, and NE Turkey.
SYNONYMS: circassicus, occidentalis personatus, pshavus, turovi.
COMMENTS: Reviewed by Corbet (1978c).