Eutamias amoenus caurinus [Howell], Jour. Mamm., 3:184, August 4, 1922.
Tamias amoenus caurinus [Ellerman], Fam. and Genera of Living Rodents, British Mus. Nat. Hist., p. 432, June 8, 1940.
Type.—Obtained at timber-line, head of Sol Duc River, Olympic Mountains, Clallam County, Washington, by C. H. [Merriam] and Vernon [Bailey] on August 27, 1897; type in United States National Museum.
Racial characters.—Small size and pale color.
Measurements.—Seven males and 3 females from Deer Park, Clallam County, average: total length 207.4; length of tail 93.2; hind foot 32.5; ear 16.
Distribution.—Higher parts of the Olympic Mountains, from Deer Park (W. W. D.) south to head of Dosewallips River ([Howell], 1929:77).
Tamias amoenus felix [Rhoads]
Tamias quadrivittatus felix [Rhoads], Amer. Nat., 29:941, October, 1895.
Eutamias quadrivittatus felix [Miller] and Rehn, Proc. Boston Soc. Nat. Hist., 30:44, December 27, 1901.