Diagnosis.—Size medium; average and extreme measurements of 5 topotypes are: total length, 129.8 (126-135); tail, 56.4 (53-61); hind foot, 15.4 (15-16). Color brownish in summer, brownish rather than blackish in winter.
Comparisons.—Somewhat more brownish than S. v. longicauda but resembling it in size; skull slightly more flattened and rostrum broader. Larger than S. v. elassodon. Larger and relatively longer-tailed than S. v. alascensis.
Records of occurrence.—Alaska (Jackson, 1928:130): Warren Island; Coronation Island.
Sorex vagrans elassodon Osgood
Sorex longicauda elassodon Osgood, N. Amer. Fauna, 21:35, September 26, 1901.
Sorex obscurus elassodon, Elliott, Field Columb. Mus. Publ. 105, zool. ser. 6:450, 1905.
Type.—Adult male, skin and skull; No. 100597, U. S. Biol. Surv. Coll.; obtained on June 13, 1900, by W. H. Osgood from Cumshewa Inlet, near old Indian village of Clew, Moresby Island, Queen Charlotte Islands, British Columbia.
Range.—Alaskan and British Columbian islands from Admiralty Island south to Moresby Island.
Diagnosis.—Size medium; average and extreme measurements of 4 from the type locality are: total length, 126, (119-131); tail, 53.5 (52-55); hind foot, 13.8 (13-14). Color dark.