320 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



t*Sciurus hudsonicus baileyi Allen. 



1898. Sciurus hudsonicus haileyi Allen, Bull. Amer. Mus. Nat. 



Hist., vol. 10, p. 261. July 22, 1898. 

 Type Locality. — Bighorn Mountains, Wyoming. Altitude, 



8,400 feet. 

 Range. — Outlying mountain ranges of central Wyoming and 

 eastern Montana, and northward into Alberta in the eastern 

 foothills of the Rocky Mountains. Its range includes the Big- 

 horn, Pryor, and Laramie Mountains in Wyoming, and the 

 Big Snowy, Bear Paw, and Little Rocky Mountains in Mon- 

 tana, and probably other outlying, pine-covered buttes and 

 hills. 



t*Sciurus hudsonicus ventorum Allen. 



1898. Sciurus hudsonicus ventorum Allen, Bull. Amer. Mus. Nat. 

 Hist., vol. 10, p. 263. July 22, 1898. 



Type Locality. — South Pass City, Wind River Mountains, Fre- 

 mont County, Wyoming. 



Range. — Wind River Mountains region and northward along 

 the eastern base of the Rocky Mountains to at least Mystic 

 Lake, and probably to the Belt ranges east of Helena, and 

 thence 'westward to the head of Snake River in Idaho, and 

 south along the Idaho and Wyoming boundary to the Wasatch 

 Mountains in northeastern Utah. Its range thus includes not 

 only the Wind River and Gros Ventre Ranges, but the Sho- 

 shone and Beartooth Mountains, the whole of the National 

 Yellowstone Park region, and the outlying ranges east of the 

 Maui Divide to central Montana; to the westward and south 

 ward it includes the Snake River, Cariboo, Thompson, Black 

 foot. Bear River, Bannock, and Wasatch Ranges, with their 

 outlying and included or connected spurs. 



*Sciurus hudsonicus richardsonii (Bachman). 



1838. Sciurus richardsonii Bachman, Proc. Zool. Soc. London, 

 p. 100. 



1885. Sciurus hudsonius richardsoni True, Proc. U. S. Nat. 

 Mus., vol. 7 (1884), p. 595. 1885. 



1898. Sciurus hudsonicus richardsonii Allen, Bull. Amer. Mus. 

 Nat. Hist., vol. 10, p. 265. July 22, 1898. 



Type Locality. — Head of Big Lost River, Fremont County, 

 Idaho. 



Range. — Western border of northern Montana, central and 

 northern Idaho, northeastern Oregon, northeastern Washing- 

 ton, and thence northward into southeastern British Columbia; 

 in other words, the Bitterroot and Coeur d'Alene Mountains 

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



