raceous ; central dorsal stripe dusky; lateral one pale ferruginous; 

 inner pair of light stripes hoary gray, outer white ; post-auricular 

 patches illy defined ; fascial stripes pale ; feet and legs gray. Tail 

 above hoary, black towards the tip ; beneath pale buffy fulvous ; bor- 

 dered with black and fringed broadly with pale buff. 



Summer Pelat^e. Dorsal stripes bright ferruginous ; fascial stripes 

 dull rusty; flanks, shoulders and neck bright fulvous. 



Measurements. Type. Total length, 189 ; tail vertebrae, 82 ; hind 

 foot, 29 ; ear from notch, 13. 



97. oreocetes. {Eutamias), Merr., Proc. Biol. Soc. Wash., 1897, p. 207. 



Type locality. Timber line near Summit, Teton Mountains, 

 Montana. 



Geogr. Distr. Only known from type locality. 



Ge7il. Char. Similar in spring to T. minimus and T. in. alpinus; 

 -dorsal stripes long. 



Color. Upper parts gray tinged with yellowish on flanks and 

 sides of neck ; crown grizzled gray ; lateral dark stripes tinged with 

 rusty ; pale stripes whitish ; outer ones white. Tail above grizzled 

 yellowish ; beneath pale fulvous bordered with black and fringed with 

 ochraceous. 



Measurements. Total length, 193; tail vertebrae, 90; hind foot, 31. 



98. striatus. (Sciurus), Linn. Syst. Nat., i, 1758, p. 64 (nee. Pall). 

 americanus, Gmel. Syst. Nat., 1788, i, p. 150. 



Type locality. Virginia? 



Geogr. Distr. Southern New York through Atlantic States to 

 Georgia. 



Genl. Char. Premolars i^ ; tail about three-fifths length of body; 

 body stout. 



Color. Spring Pelage. Above dark chestnut brown ; flanks and 

 limbs pale yellowish brown ; under parts pure white. Dark dorsal 

 stripes black bordered with chestnut brown ; light stripes whitish ; 

 post-auricular patch white. Tail, above grayish white and black ; be- 

 neath yellowish brown, bordered with black and fringed with grayish 

 white. 



Measurements. Total length, 219-241; tail vertebra-, 80-86; hind 

 foot, 32-34- 



a. — lysteri. [Sciurus), Rich., Faun. Bor. Am., 1829, i, p. 181, pi. 15. 



Type locality. " Penetanguishene," Georgian Bay, Ontario, 

 Canada. 



Geogr. Distr. North latitude 50° in eastern North America 

 south to northern New York, west to Michigan, and Ontario, Canada. 



