ZOOLOGY. S3 



5. Arctomys. Marmot. Front teeth wedge-shaped, two in 



each jaw ; upper grinders fire on each side, lower 

 four ; clavicles perfect. 



A cleanly shy family, the indit iduals of which all become 

 torpid during winter; their habitations are formed under 

 ground of several feet in extent, and lined with moss, dry 

 grass, and other soft substances, which are placed at the ex- 

 tremity of their cavpoj fTiRse they rarely quit during wet 

 weather ; their food is grain and vegetables. 



6. Sciurus. Squirrel. Upper front teeth cuneated, th« 



lower acute; upper grinders five on each side, lower 

 four ; clavicles perfect ; hair on the tail long, spread 

 on each side : zehiskers long. Some of this genus are 

 furnished with a membranaceous appendage, capable 



of considerable extention, which assists to support 



them when leaping, as with wings. 



This is a lively, active, elegant tribe, of gentle manners, 

 easily tamed, but of a shy temper ; they form their nests in 

 the hollows or forked branches of trees, and compose them 

 of moss, dry grass, and leaves; their food is the seeds of 

 forest trees and fruit ; they are mostly natives of woody 

 situations, and except taken from the nest while young, they 

 are not easily obtained but by the gun. 



1. Mjjoxus, Dormouse. Upper front teeth tiro, wedge- 

 shaped, the lower ones compressed sideways ; grinders 

 four in each jaw; to7 hairy, round; thickened towards 

 the tip; front t9et four. 



