FIELD BOOK OF MAMMALS 



boundary line region between Alberta and British Columbia. 



Mt. Baker Chipmunk. — Eutamias amoeniis felix (Rhoads). 

 Resembling luteiventris but darker in color, with heavier 

 suffusion of ochraceous on sides, cheeks, and underside of 

 tail; loroad, heavy, black stripes; much rusty brown on 

 upperparts. Total length, 9.8 inches; tail vertebrcE, 4.2 

 inches; hind foot, 1.3 inches Found in the Mt. Baker 

 Range, British Columbia. 



Olympic Chipmunk. — Eutamias amcenus caurinus (Merriam) . 

 Resembling typical amosnus but darker and with larger 

 hind foot; ear patch reduced; dark stripes broad and black. 

 Total length, 8.4 inches; tail vertebrae, 3.4 inches; hmd 

 foot, 1.36 inches. Found in Olympic Mountains, Washmg- 

 ton, up to timber-line. 



Panamint Chipmunk. — Eutamias panamintinus (Merriam). 

 A medium- sized species with bright, warm coloration re- 

 sembhng speciosus superficially. Dark stripes, five m num- 

 ber, chestnut, median stripes with some admixture of black, 

 outer pair merging into ochraceous suffusion of sides; inner 

 light stripes grizzled gray, outer pair whitish; small ear 

 patch gray; facial stripes weak; feet and edging of tail 

 ochraceous buff; underside of tail tawny; underparts white. 

 Total length, 8.3 inches; tail vertebrae, 3.8 inches; hmd foot, 

 1.28 inches. Found in the Panamint Mountains, Inyo 

 County, California. 



Minimus Group 



Characterized by small size, and in most of the forms by 

 bright color pattern, and well-defined dorsal stripes. 

 Least Chipmunk. — Eutamias minimus minimus (Bachman). 

 Size small; striping distinct; colors pale. Upperparts 

 grizzled sandy gray washed with ochraceous buff on sides; 

 dark stripes well defined, mixed rufous and brownish black; 

 inner light stripes sandy gray, outer pair white; ear patch 

 small, inconspicuous, whitish; facial stripes moderately 

 developed; feet grayish; tail above, black and ochraceous 

 buff below, ochraceous buff fringed with black and ochra- 

 ceous buff; underparts white. Total length, 7.2 inches; 

 tail vertebree, 3.2 inches; hind foot, 1.18 inches. Found on 

 plains and Sonoran plateaus in Wyoming northeastern 

 Utah, and northwestern Colorado. Plate XXIV. _ ^ 



Painted Chipmunk; Sagebrush Chipmvmk.— Eutamias mini- 

 mus pi ctus { Allen). Plate XXIV. . ^ , . . 

 Resembling typical minimus but shghtly larger m size, 

 darker in color, and more heavily striped. Upperparts 

 gray mixed whitish, buffy and blackish; dark stripes 

 blackish to very dark brown; sides Hghtly \yashed with 

 warm buff; underside of tail warm buff, fringed with cream 

 color. Total length, 8 inches; tail vertebras, 3.6 inches; 

 hind foot, 1 .2 inches. Found on sagebrush plains of eastern 



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