Sorex setosus [Elliot], Field Columb. Mus. Publ. 32. zoöl, ser., 1:274. March, 1899.
Sorex obscurus setosus [Jackson], Proc. Biol. Soc. Washington. 31:127. November 29, 1918.
Sorex obscurus bairdi [Jackson], N. Amer. Fauna, 51:140. July 24, 1928.
Type.—Obtained at Happy Lake, Clallam County, Washington, by D. G. [Elliot] on August 18, 1898; type in Field Museum of Natural History.
Racial characters.—Tail long, color dark.
Measurements.—Twelve males and 17 females from southwestern Washington average, respectively: total length 118, 119; length of tail 53, 53; hind foot 13.8, 13.7; weight 6.6, 5.2 grams.
Distribution.—Western Washington, east through the Cascades to Barron ([Jackson], 1928: 137), Cascade River ([Jackson] 1928: 137) and Satus Pass (W. W. D.).