Microtus xanthognathus (Leach, 1815). Zool. Misc., 1:60.

REVIEWED BY: R. E. Barry, Jr. (REB).

TYPE LOCALITY: Canada, Manitoba, Ft. Churchill?, "Hudson Bay."

DISTRIBUTION: C. coast of Hudson Bay in Manitoba (Canada) to C. Alaska (U.S.A.) and N.E. British Columbia (Canada).

COMMENT: Subgenus Microtus; see Anderson, 1959, Univ. Kans. Publ. Mus. Nat. Hist., 9:415-511. Anderson, 1960, Univ. Kans. Publ. Mus. Nat. Hist., 12: 192, suggested that this species may be most closely related to chrotorrhinus; dental characters indicate specific distinctness (SRL), as do size differences (REB); see also Guilday et al., 1978, Bull. Carnegie Mus. Nat. Hist., 11: 1 -67.

ISIS NUMBER: 5301410008080047001.