Microtus montebelli (Milne-Edwards, 1872) . Rech. Mamm., p. 285.

TYPE LOCALITY: Japan, Honshu, Fusiyama .

DISTRIBUTION: Honshu, Sado, and Kyushu Isis. (Japan); Sikotan Isl., Kuriles (U.S. S.R.).

COMMENT: Subgenus Microtus (= Arvalomys, Chaline, 1974); see Chaline and Mein, 1979:103; thought by Zimmermann, 1964, Mitt. Zool. Mus. Berlin, 40:87-140, to be related to maximowiczii of mainland Asia. Sokolov, 1954, Zool. Zh., 33:947-950, provided distribution information.

ISIS NUMBER: 5301410008080028001.