FAUNA AMERICANA. 157 



Species. 



2. Gerbilhis labradoriiis. 



Mus labi^adorius, Sab. p. 661. append, to Frank- 

 lin. Penn. Arct. Zool. 



Description. Body nearly four inches long : 

 forehead arched, and projecting so as to turn the 

 nose towards the earth ; mouth placed far below, 

 small ; upper lip slit; ears large, round, and placed 

 far back; whiskers long, black, and projecting, 

 forming two tufts ; back, brown above ; under parts 

 white, without a dividing line ; hind legs long, (one 

 inch and a half,) covered with short hair, having 

 five toes, four long, a shorter one placed on the 

 inside ; fore feet short, with four toes ; tail two 

 inches and a half long, covered with black hair 

 above, white below, showing the joints of the 

 bones. 



Inhabit Labrador. (As usual, Mr. Rafinesque 

 has indicated numerous species.) 



Genus. 

 Arctomys, Gmel. Schreb. Geoff, Cuv. Lacep. 



iiiig. 



Mus, Linn. Pall. Bodd. 

 Glis, Briss. Erxleb. 

 Marmot. 



CHARACTERS. 



f" Incisor 2. 

 fsuperior 12. < Canine 0. 



Dental formula—Teeth 22. j V^r*''-^'" ^o" 



C Incisor 2. 



i 



inferior 10. < Canine 0. 

 C Molar 8 



