Allen.] 292 [February 4, 



Hah. Eastern base of the Rocky Mountains north to Western 

 Wyoming. 



16. Spermophilus Parryi. 



a. var. Parryi. 



Arctomys Parryi Rich., Parry's Second Voyage, App., 316, 1825. 

 Spermophilus Parryi Baird, Mam. N. Am., 323, 1857. 



Hah. Northern parts of the continent, from Hudson's Bay to 

 Behring's Straits ; also on the islands of the Asiatic side of the Strait. 



b. var. kodiacensis. 1 

 Hah. Island of Kodiac. 



c. var. erythrogluteia. 



Arctomys Parryi var. j3. erythrogluteia Rich., Faun. Bor. Am., I, 161, 

 1829. 

 Hah. Northwestern America south to Puget Sound. 



f d. var. phoenognatha. 



Arctomys Parryi var. y. phcenognatha Rich., Faun. Bor, Am., r, 161, 

 1829. 

 Hah. Shores of Hudson's Bay. 



17. Spermophilus Richardsoni. 



a. var. Richardsoni. 



Arctomys Richardsoni Sabine, Trans. Linn. Soc, xm, 589, 1822. 

 Spermophilus Richardsoni Baird, Mam. N. Amer., 325, 1857. 



Hah. Plains of the Saskatchewan southward to the Upper Mis- 

 souri, and west to the Rocky Mountains. 



b. var. elegans. 



Spermophilus elegans and armatus Kennicott, Proc. Acad. Nat. Sci. 

 Phila., 158, 1863. 

 Hah. From eastern base of Rocky Mountains to a little west of 

 Fort Bridger. 



i A form with cinerous lower parts, less fulvous above, and more bushy tail, 

 from tbe Island of Kodiac. 



