FIELD BOOK OF MAMMALS 



K 8 inches; hind foot, 2 inches. Found in "The Black Hills 

 of South Dakota and adjoining portions of Wyoming. 



Bailev^Red SquiTTeL—Sciurus hudsonicus haileyi Allen. 



Size large; resembhng typical hudsonicus but darker and 

 more olivaceous above in summer, and with underparts 

 washed with pale fulvous. Totallength, 13.6 mches; tail 

 vertebrse, S.6 inches; hind foot, 2 inches. Found m Out- 

 lying mountain ranges of central Wyoming and eastern 

 Montana, and northward into Alberta m the eastern foot- 

 hills of the Rocky Mountains. Its range includes the 

 Bi-hom Pryor and Laramie Mountams m Wyoming, and 

 th? Bi- Snowy, Bear Paw, and Little Rocky Mountains m 

 Montana, and probably other outlying, pine-covered buttes 



wtnd River Mount'Lins Red SquiTieL—Sciurus hudsojiicus 

 ventorum Allen, u^..o 



Resembling haileyi but darker and more olivaceous above, 

 with more black on upperside of tail and more gray on 

 underside of tail; underparts grayer and without fuh^us 

 suffusion. Upperparts, m winter, dark rusty red along 

 back sides gray, suffused with pale yellowish; m summer 

 da?k' olivaceous, with rusty wash on outer sides of limbs; 

 tail with fairly broad subtermmal band of black Total 

 leneth n 2 inches; tail vertebrae, 54 mches; hmd foot, 2 

 inches' Found in "Wind River Mountains region and 

 northward along the eastern base of the Rocky Mountams 

 toat least Mystic Lake, and P^o^aHy to the Belt ranges 

 east of Helena, and thence westward to the head of the 

 Snake River in Idaho, and south along the Idaho and 

 Wyoming boundary to the Wasatch Mountams m north- 



RichardTon ^Red kqu^eX.-Sciurus hudsonicus richardsoni 



Siif Wg'rrmuch black on upper_ surface of tail; color of 

 upperpart; dark; black subtermmal bar on tail broad^ 

 wS.-Chestnut, sprinkled with black on back sides and 

 limbs brownish gray; about half terminal) of tail black; 

 underpar'tH^ite' sp'^inkled lightly with black. Summer.-- 

 Mixed rusty red and olivaceous; rusty red on feet and legs 

 conspicuous^ black lateral line; underparts clear white ; tai 

 above rusty red on central area for half to two-thirds of 

 length, then black fringed with yellowish Total length, 

 Asinches; tail vertebrce, 54 inches; hmd foot, 24 mches 

 Found in "The Bitterroot and Coeur d' Alene Mountams 

 on the western border of Montana; the Lost River; Salmon 

 River, Pahsimeroi and Saw Tooth Mountains m central 

 Idlho and westward in the Craig and Seven Devils Moun- 

 tafns to the Powder River and Blue Mountains of Oregon 

 thence through northern Idaho, and west m the mountams 

 of northeastern Washington to Colville, and northward 



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