Microtus coronarius Swarth, 1911 . Univ. Calif. Publ. Zool., 7: 131.

TYPE LOCALITY: U.S.A., Alaska, Coronation Isl., Egg Harbor .

DISTRIBUTION: S.E. Alaska; Coronation, Forrester, and Warren Isis. (U.S.A.).

COMMENT: Subgenus Chionomys; see Anderson, 1960, or Arvalomys (— Microtus); see Chaline and Mein, 1979. Closely related to longicaudus; see Hall, 1981:809; also see comment under M. longicaudus .

ISIS NUMBER: 5301410008080010001.