P[eromyscus]., austerus Bangs, Amer. Nat., 31:75, January 1, 1897.
Peromyscus maniculatus austerus [Osgood], N. Amer. Fauna, 28:63, April 17, 1909.
Type.—Obtained at Old Fort Steilacoom, Pierce County, Washington, by J. G. [Suckley], probably on January 20, 1854; type in United States National Museum.
Racial characters.—Similar to oreas but smaller with relatively shorter tail; tail narrower at base, less sharply bicolor; upper parts duller, browner, less reddish. In oreas the tail is usually more than 100 mm. In austerus the tail is usually less than 90 mm.
Measurements.—Twenty-seven males and 23 females from Seattle, King County, average: total length 180.5; length of tail 88.6; hind foot 21; ear 18. The average weight of 15 adults is 21 grams.
Distribution.—The Puget Sound area and south to the Columbia River in a narrow band through the lowlands. Marginal localities on the west side of Puget Sound are: Port Angeles (W.W.D.), Bremerton (W.W.D.), 4 miles north of Shelton (W.W.D.), Tenino (W.W.D.) and Mouth of Klama River (M.V.Z.). Marginal localities on the east side of Puget Sound are: Bellingham (W.W.D.), Arlington (W.W.D.), Everett (W.W.D.), 4 miles east of Monroe (W.W.D.), Fall City (W.W.D.), and Vancouver (W.W.D.).
Peromyscus maniculatus rubidus [Osgood]
Peromyscus oreas rubidus [Osgood], Proc. Biol. Soc. Washington, 14:193, December 12, 1901.
Peromyscus maniculatus rubidus [Osgood], N. Amer. Fauna, 28:65, April 17, 1909.
Type.—Obtained at Mendocino City, California, by J. A. Loring on November 17, 1897; type in United States National Museum.