Sorex arcticus Kerr, 1792 . Animal Kingdom, p. 206.
TYPE LOCALITY: Canada, Ontario, settlement on Severn River (now Fort Severn), Hudson Bay .
DISTRIBUTION: Yukon and Northwest Territory to Quebec, Nova Scotia, and New Brunswick (Canada); North Dakota, South Dakota, Minnesota, and Wisconsin (USA).
SYNONYMS: laricorum, maritimensis, pachyurus, richardsonii, spagnicola.
COMMENTS: Subgenus Sorex . Palearctic species currently referred to arcticus (Gromov and Baranova, 1981:18) represent tundrensis (Junge et al., 1983; Ivanitskaya et al., 1986); see also Sokolov and Orlov (1980) and Hoffmann (1985«). Van Zyll de Jong (1983b) and Volobouev and van Zyll de Jong (1988) suggested that maritimensis may be an independent species.