Sorex palustris Richardson, 1828 . Zool. J., 3:517.

TYPE LOCALITY: Canada, "marshy places, from Hudson's Bay to the Rocky Mountains."; not specified .

DISTRIBUTION: Montane and boreal areas of North America below the tree line from Alaska to the Sierra Nevada, Rocky and Appalachian Mtns.

SYNONYMS: acadicus (Allen, not of Gilpin), albibarbis, brooksi, gloveralleni, hydrobadistes, labradorensis, navigator, punctulatus, turneri.

COMMENTS: Formerly placed in genus Neosorex Baird; now in Sorex (Otisorex) . Reviewed by Beneski and Stinson (1987, Mammalian Species, 296), who recognized 9 subspecies. They did not include alaskanus as suggested by Junge and Hoffmann (1981:28) and Hall (1981:43); George (1988) also treated alaskanus as distinct.