Fig. 111. Distribution of the Gapper and California red-backed mice in Washington. A. Clethrionomys gapperi saturatus. B. Clethrionomys gapperi idahoensis. C. Clethrionomys gapperi nivarius. D. Clethrionomys gapperi cascadensis. E. Clethrionomys californicus occidentalis.

Clethrionomys gapperi saturatus ([Rhoads])

Evotomys gapperi saturatus [Rhoads], Proc. Acad. Nat. Sci. Philadelphia, p. 284, October 23, 1894.

[Clethrionomys gapperi] saturatus [Whitlow] and [Hall], Univ. California Publ. Zoöl., 40:265, September 30, 1933.

Type.—Obtained at Nelson, British Columbia, by S. N. [Rhoads] on August 27, 1892; type in Philadelphia Academy of Sciences.

Racial characters.—Size small, about 140 mm. in total length; tail short, about one-third of total length; ears large, projecting above fur; color of head and sides gray tinged with yellowish; back with distinct red stripe; underparts whitish tinged with buff.

Measurements.—Five males and 10 females from Pass Creek Pass, Pend Oreille County, average: total length 147; length of tail 43; hind foot 18.3; ear 14.