Sorex trowbridgii trowbridgii [Baird]
Sorex trowbridgii [Baird], Rept. Pacific R. R. Survey, 8 (pt. 1):13, 1857.
Type.—Two cotypes were obtained at Astoria, Clatsop County, Oregon. The skin of one (the lectotype) was entered in the U. S. National Museum catalogue in July, 1855, and the skull in January, 1857. The other was obtained by J. Wayne on July 10, 1855.
Racial characters.—Small size and narrow skull.
Measurements.—The average measurements of 38 adults from King County, Washington, are: total length 115.3; length of tail 54.4; hind foot 13.4.
Distribution.—Forested areas from the Pacific Coast eastward through the Cascades to Stehekin ([Jackson], 1928: 96), 2 mi. S. Blewitt Pass ([Jackson], 1928: 96) and Satus Pass (M.V.Z.).
Sorex trowbridgii destructioni [Scheffer] and [Dalquest]
Sorex trowbridgii destructioni [Scheffer] and [Dalquest], Jour. Mamm., 23:334, August 13, 1942.
Type.—Obtained on Destruction Island, Jefferson County, Washington, by V. B. [Scheffer] on April 22, 1941; type in United States National Museum.
Racial characters.—Large size and wide skull.