Diagnosis.—Size medium; average and extreme measurements of 13 specimens from Calvert Island are: total length, 121.6 (109-129); tail, 54.0 (52-58); hind foot, 14.7 (13-15) (Cowan, 1941:106). Blackish or grayish in winter pelage.
Comparisons.—Smaller externally and cranially and paler in winter and summer than S. v. longicauda; for comparisons with S. v. insularis see account of that subspecies.
Remarks.—S. v. calvertensis seems to be the only shrew on Calvert and Banks islands.
Records of occurrence.—British Columbia (Cowan, 1941:103): Safety Cove, Calvert Island; Larson Harbor, Banks Island.
Marginal Records.—British Columbia: Larson Harbor, Banks Island; type locality.
Sorex vagrans malitiosus Jackson
Sorex obscurus malitiosus Jackson, Proc. Biol. Soc. Washington, 32:23, April 11, 1919.
Type.—Adult female, skin and skull; No. 8401; Mus. Vert. Zool.; obtained on May 21, 1909, by H. S. Swarth from east side of Warren Island, Alaska.
Range.—Warren and Coronation islands, Alaska.