WESTERN CHIPMUNK 



of the Rockies, from North Dakota, South Dakota, and 

 Montana north to Mackenzie, Canada 

 Eutamias minimus neglectus = Eutamias minimus borealis 

 according to Howell. ' 



^^^^'oodf ^^ Chipmunk.— £«tomm^ minimus caniceps (Os- 



Resembiing horealis but grayer, ear patch more conspicuous 

 underparts clear white. Dark dorsal stripes black and 

 conspicuous, outer pair with some ochraceous mixture- 

 outer light stripes white, inner gray; top of head grayish- 

 sides ochraceous ; feet yellowish white; tail below, clay color' 

 edged with gray; underparts white. Total length 8 8 

 inches; tail vertebras, 4 inches; hind foot, 1.18 inches. 



fntXiS^ Smb-r °' ^'^ ^^'^^' ^^^'^ ^^^-^^' --^^ 

 ^^^Ho^^'df"^^ Chipmunk.— £M/amm^ minimus jacksoni 



Resembling So/'m/^-^ '-but upperparts and tail more intense- 

 ly_ tawny; head_ and facial stripes slightly darker; median 

 pair of dorsal stripes more strongly tinged with sayal brown- 

 tail darker, both above and below." (Howell) Total 

 length, 8.4 inches; tail vertebra, 3.6 inches; hind foot i ^2 

 inches. Found m northern Wisconsin, ^Minnesota,' and 

 Ne^'^or "'"'"^'^^'■'^ '""^^ western Ontario and east as far as 



Alpinus Group 

 Alpine Chii^munk.—Eutamias alpinus (Merriam) 



tA,Tf^\^''^% ^^^^ rPP^^- Upperparts pale ashy gray, 

 with faint suffusion of buff on shoulders and sides- median 

 stripe pale rusty, with some dusky admixture, outer dark 

 stripes rusty, not very long or conspicuous; inner light 

 stripes narrow, grayish, outer pair broader and whiter; facial 



Skh-Til ""'^^f ?:^' prominent; small ear patch . 

 whitish; feet gray; tail above, mixed black and gray to 

 yellowish, below, clay color and black, edged with gray to 

 yellowish; underparts white. Total length, 7.6 inches 

 tail vertebrae 34 inches; hind foot, 1.2 inches. ' Found onlv 

 • m the Boreal Zone of the southern Sierra Nevada, Califor- 

 nia, Tulare County to Inyo County. 



_ The Chipmunks of the genus Eutamias are confined in their 

 iistribution to the western half of North America. Some of 

 :he forms reach as far east as Lake Superior and Lake Huron 

 Dut the greatest number of species are found in the Rockj^ 

 Vlountam region and thence westward. In eastern North 

 \menca the genus Tamias seems to take the place of Eutamias 

 )ut although members of both genera go by the name of Chip- 

 237 



