ORDER RODENTIA. 85 



the fore and hind limbs, imparts the faculty of sus- 

 taining themselves in the air for some moments, and 

 of making very great leaps. Their feet have long 

 osseous appendages, which sustain a part of the la- 

 teral membrane. 



There is one species in Poland, Russia, and Si- 

 beria. 



Flying Squirrel, (Sciurus volans.) Schreb. ccxxm. 



Ash-coloured above ; white underneath ; large 

 as a Rat ; the tail about half the length of the 

 body. It lives solitarily in the forests. 

 There is one of North America. 



Sc. Voluccella, Buff, X. xxi. 



Reddish-gray above ; white underneath ; less 

 than the preceding, with a tail a quarter less 

 than the body. It lives in troops in the tem- 

 perate prairies of North America. One in the 

 Archipelago of the Indies, nearly as large as a 

 Cat. The male of a beautiful lively marron 

 above, red underneath ; the female brown 

 above, whitish underneath. This is Sc. Petau- 

 rista Taguan. Buff. Supp. III. xxi. et VII. 



LXVII. 



But this same Archipelago produces also a small 

 species. 



Sc. Sagitta. 



Deep brown above ; white underneath ; which 



