296 Monograph of the Genus /Sciurus. 



General description. — Body slight and formed for activity; 

 tail broad and long ; color, above grey, washed with yellow ; 

 hairs of the upper surface, slate colored at base, annulate with yel- 

 low, then black, and annulated with yellowish white : sides of 

 the face and neck and all beneath, with the feet and inner side 

 of limbs golden yellow ; hair of the ears, long, golden yellow; 

 hairs of the feet blackish at root, sometimes tipt with black ; hairs 

 of tail black at base, yellow, triannulate with black ; whiskers 

 black, longer than the head. 



Dimensions. 



Length of head and body, . - - _ 



Ditto o£ tail, (vertebrm,) - - _ _ 



Ditto including fur, - - - _ 

 Ditto of palm to end of middle fore claw, 

 Ditto of heel to point of middle nail, 



Ditto of fur on the back, - - _ - 



Height of ear posteriorly, - _ - . 



Breadth of tail with hair extended, - - - 

 Weight li lbs. 



4. Species magnicaudatus. Great-tailed Squirrel. 

 Sdurus macrourus. Say, Long's Expedition, vol. i, p. 115. 



magnicaudatus. Harlan's Fauna, p. 170. 



macrourus. Godman's Nat. Hist. Vol. 2, p. 134. 



Essential characters. — Size intermediate between S. cine- 



reus and S. leucotis ; body above and on each side mingled grey 

 and black ; ears long ; tail very broad. 



Genei^al description. — Fur plumbeous ; black at the base ; 

 then, in sucession, pale cinnamon, black, cinereous, and tipt with 

 black ; ears, without, bright ferruginous, within, dull ferrugi- 

 nous, with the hairs tipt with black ; sides of the head, with the 

 orbits of the eyes and belly, pale ferruginous ; under part of head 

 and neck, upper part of feet, with the tail, ferruginous ; this latter 

 beneath, bright, and above, marked with black ; cheeks beneath 

 the eyes and ears dusky, and the mouth margined with black ; 

 whiskers disposed in five series of flattened hairs, the inferior 

 more distinct. The fur of the belly is plumbeous at the base ; 

 fur of the under surface of the tail, bright ferruginous at base with 

 a sub-marginal line, that of the upper surface of a pale cinnamon 

 within, with the base and three bands black ; palms of the fore 



