FIELD BOOK OF MAMMALS 



County (Hahn Peak) and to Bridger Peak, Wyoming." 

 (Howell) 



Colorado Pika. — Ochotona princeps saxatilis (Bangs). 



Size large, total length, 8 inches; hind foot, 1.3 inches. 

 Coloration "buffy-grayish." (Howell) Found in "East- 

 erly mountain ranges of middle Colorado from the Medicine 

 Bow Range south to the Sangre de Cristo Range; north- 

 ward to Medicine Peak, Wyoming; westward in southern 

 Colorado to the San Juan Range and to the La Sal Moun- 

 tains in eastern Utah ; altitudinal range approximately from 

 9,000 to 13,500 feet." (Howell) 



New Mexico Pika. — Ochoto7ia princeps incana (Howell). 

 Size of saxatilis but paler and less tawny; total length, 7.6 

 inches; hind foot, 1.2 inches. Found in "High mountains 

 of northern New Mexico, from Pecos Baldy north to the 

 Culebra Range and probably to Sierra Blanca, Colorado." 

 (Howell) 



Jemez Mountains Pika. — Ochotona princeps nigrescens 

 (Bailey). 

 Size of saxatilis but darker and grayer; total length, 8 

 inches; hind foot, 1.2 inches. Found in "Jemez Moun- 

 tains, New Mexico, north to the southern end of the San 

 Juan Mountains, Colorado." (Howell) 



Bangs Pika. — Ochotona princeps cuppes (Bangs). 



Like typical princeps but darker; upperparts "suffused with 

 ochraceous-tawny instead of cinnamon-buff." (Howell) 

 Total length, 7.8 inches; hind foot, 1.2 inches. Found in 

 "Southeastern British Columbia, northeastern Washington, 

 and northern Idaho, from Glacier south to Cabinet Moun- 

 tains; west to the Gold Range, British Columbia; exact 

 limits unknown." (Howell) 



Ashnola Pika. — Ochotona princeps fenisex (Osgood). 



Resembling cuppes but paler and less ochraceous (summer) ; 

 total length, 7.3 inches; hind foot, 1.25 inches. _ Found in 

 "Interior mountain ranges of northern Washington and 

 southern British Columbia from vicinity of Wenatchee, 

 Washington, north to the upper end of Okanagan Lake." 

 (Howell) 



Shuswap PiViSi.-^Ochotona princeps brooksi Howell. 



Browner than fenisex, paler than cuppes; total length, y.y 

 inches; hind foot, 1.25 inches. Found in "Interior of 

 southern British Columbia from Shuswap Lake west to 

 Mount McLean and McGillivary Creek, Lillooet District; 

 limits of range unknown." (Howell) 



Cascade Pika. — Ochotona princeps brunnescens (Howell). 

 Like fenisex but browner above and more buffy below, in 

 winter pelage very much like brooksi; total length, 8 inches; 

 hind foot, 1.3 inches. Found in "Cascade Range from 

 southwestern British Columbia south to vicinity of Crater 

 Lake, Oregon; interrupted apparently in central Oregon 



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