FAUNA AMERICANA. 137 



Char. Essent. Body above dark grayish- 

 brown; pale phimbeous beneath; snout rather 

 elongated, reddish-brown at its extremity ; ears 

 moderately Jong, sparsely bordered with hair. 



Tail short, sparsely hairy. 



Dimensions. Total length, from the tip of the 

 nose to the base of the tail, very nearly six inches ; 

 length of the tail two inches and three-tenths. 



Description. Body elongated, thickest behind, 

 covered above with soft fur, plumbeous at base, 

 and tipped with gray and brown, from whence 

 results the general colour, dark grayish-brown 

 above, lighter on the flanks and sides, becoming 

 reddish-brown on the end of the snout, and be- 

 neath the tail, between the hind legs ; belly, inside 

 of the legs, and throat, of a pale plumbeous colour, 

 occasioned by the hairs being plumbeous at base, 

 and white at the extremity ; head long and nar- 

 row; snout rather elongated; facial line straight; 

 ears situate far back, moderately long, internal 

 border lined with sparse hair, posterior surface 

 nearly naked ; whiskers fine long hairs, white and 

 black; inferior incisors very long, distinct, gently 

 recurved at top, laterally compressed, very sharp 

 and pointed, yellow on the anterior surface, and 

 convex ; upper incisors much shorter and cunei- 

 form. 



Molar teeth unusually long at the crowns, and 

 so deeply grooved laterally, that when viewed in 

 this direction, these animals appear to possess six 



