John A. White

“ Nat. Hist., Univ. Kansas; from 3 mi. NW Sundance, 5900 ft., Crook County, Wyoming; obtained on July 4, 1947, by H. W. Setzer; original No. 1692.
Range.—Bear Lodge Mountains in northeastern Wyoming and the Black Hills of South Dakota.
Diagnosis.—Size large (see measurements) ; general tone of upper parts drab; sides Ochraceous Buff (capitalized terms are of Ridgway, Color Standards and Color Nomenclature, Washington, D. C., 1912) ; lateral stripes Fuscus Black washed with Ochraceous Tawny; ventral side of tail near (14' h) Ochraceous Orange and fringed with black. ”

“ Measurements of the type.—Total length, 206; length of tail, 90; length of hind foot, 32; length of ear, 15; weight, 59.3; greatest length of skull, 32.6; zygomatic breadth, 18.6; least interorbital constriction, 6.4; length of nasals, 9.3.
Specimens examined.—Total number, 28. Specimens from South Dakota are in the United States National Museum, and those from Wyoming are in the Museum of Natural History of the University of Kansas.
South Dakota: Custer Co.: Custer, 3; Lawrence Co.: Deadwood, 10.
Wyoming: Crook County: 3 mi. NW Sundance, 5900 ft., 14; 15 mi. ”

“ Study of the chipmunks from the eastern Rocky Mountains and Great Plains reveals that the chipmunks from northeastern Wyoming and from South Dakota which Howell (N. Amer. Fauna, 52:55, November 30, 1929) referred to Eutamias minimus borealis actually belong to a heretofore unnamed subspecies which may be named and described as follows:
Eutamias minimus silvaticus new subspecies
Type.—Female, adult, skull and skin, No. ”