GROUND SQUIRREL 



and ochraceous, fringed with buffy, beneath ochraceous. 

 Total length, 12 inches; tail vertebras, 3 inches; hind foot,' 

 1.8 inches. Found from southern Saskatchewan and 

 Alberta to Montana and North Dakota; in North Dakota 

 found north and east of the Missouri River. 



Uinta Ground Squirrel. — Citellus armatus (Kennicott). 



A medium-sized, short-tailed Squirrel with fairly soft 

 pelage. Upperparts mixed gray and black with wash of 

 dark brown on dorsal region; brighter on shoulders and 

 thighs; tail above and below mixed gray and black, banded 

 with black and fringed with gray; underparts gray washed 

 with buffy. Total length, 11 inches; tail vertebrcE, 2.5 

 inches; hind foot, 1.8 inches. Found in the foothills and 

 mountains of Wyoming, IMontana, Idaho, and Utah. 



Wyoming Ground Squirrel; Picket-pin QoyhQr.—Citeilus ele- 

 gans (Kennicott). 

 A small to medium-sized Squirrel with short, moderately 

 bushy tail, small ears, soft pelage, and uniform brownish 

 gray coloration. Upperparts mixed gray, buffy, and dusky 

 with indistinct mottling; grayish on sides of head, neck and 

 body, brownest along dorsal region ; hands and feet grayish 

 to pale buffy; tail above, mixed buffy, gray and black, be- 

 low, light ochraceous banded with black and fringed with 

 grayish; underparts light buffy. Total length, 11 inches; 

 tail vertebrae, 2.7 inches; hind foot, 1.8 inches. Found in 

 Wyoming, northeastern Utah, and northwestern Colorado; 

 limits of range unknown. 



Oregon Ground Squirrel.— aVeZ/M^ oregonus (Merriam). 



Resembling armatus in general coloration but underside of 

 tail chestnut instead of grizzled gray and black. Upper- 

 parts rnixed buff and dusky to give general buffy gray tone, 

 with faint wash of pale brownish on head and dorsal region; 

 hands and feet buffy; tail above, mixed gray, blackish, and 

 light brownish, below, chestnut with subterminal band of 

 black and gray edging; underparts buffy to creamy white. 

 Total length, 11 inches; tail vertebrae, 2.5 inches; hind foot, 

 1.65 inches. Found in sagebrush plains of southern and 

 eastern Oregon and northeastern California; limits of range 

 unknown. 



Belding Ground Squirrel. — Citellus heldingi (Merriam). 



Like oregonus in size and general color but browner above. 

 Upperparts buffy grayish with broad, poorly defined band 

 of chestnut from nose to tail; sides yellower; tail above like 

 back, below cinnamon-brown banded with black and edged 

 with grayish; underparts yellowish gray to pale brownish. 

 Total length, 10.4 inches; tail vertebrae, 2.8 inches; hind 

 foot, 1.65 inches. Found in the "Transition and Boreal 

 Zones on the Central Sierra Nevada, at least from Nevada 

 County to Eldorado County ..." California. (Grinnell) 



Townsend Ground Squirrel. — Citellus townsendi (Bachman). 

 Similar to heldingi and to oregonus. Upperparts mixed 



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