Sorex hydrodromus Dobson, 1889 . Ann. Mag. Nat. Hist., ser. 6, 4: 373.

TYPE LOCALITY: U.S.A., Alaska, "Unalaska Isl."

DISTRIBUTION: Known only from St. Paul Isl., Pribilof Isis.

COMMENT: Includes pribilofensis; see Hoffmann and Peterson, 1967, Syst. Zool., 16: 131; Hall, 1981:30; Junge and Hoffmann, 1981:36. Gureev, 1979:365, listed pribilofensis as a distinct species without comment.

ISIS NUMBER: 5301403007018015001 as S. hydrodromus .

5301403007018031001 as S. pribilofensis .