66 CLASS MAMMALIA. 



and a band upon the nose brown, the tail spotted 

 with black. It is about as large as the Sur- 

 mulot or Brown Rat ( mus decumanus). 



Marinose, or Marine Opossum. (Did, Marina.) Buff. X. 



LII. LIII. 



Yellowish gray, a brown spot in the midst of 

 which stands the eye. Tail not spotted. Less 

 than a rat. 

 The Touan. (Did. brachyura.) Buff. Supp. VII. lxi. 



The back blackish, the flanks of a lively red, 

 the belly white, the tail shorter than the body. 

 Less than a rat. 

 These three species belong to South America. 



Finally, one species is known with the feet 

 webbed, and must be aquatic. It is not known 

 whether it has a pouch or not. It is 



Chironectes, Illig. (Didelp. Palmata, Geoff. The small 

 Otter of Guiana, Buff. Supp. III. xxn. Lutramemina, 

 Bodd.) 



It is brown above, with three transverse gray bands 

 broken in the middle, and white underneath. Larger 

 than a Surmulot. 



The Dasyuri, (Dasyurus, Geoff.) 



Have two incisors and four cheek-teeth less in each 

 jaw than the Sarigues. Thus there remain to them 

 only forty-two teeth, and their tail covered all over 

 with long hairs (from which their name is derived 



