104 FAUNA AMERICANA. 



Molars resemblino; the false molars of carnivor- 

 ous animals, cutting, triangular, but more conical 

 and obtuse; sometimes, though rarely, with little 

 tubercles at their neck. 



Head round; snout and lips swollen; nose some- 

 times prolonged into a species of soft erectile 

 trunk; nostrils susceptible of being completely 

 closed. 



Eyes very large, the cornea flat, and the chrys- 

 talline lens protuberant; eyelids slightly devel- 

 oped, excepting the nictitating membrane. 



Ears wanting altogether, or rudimentary, nar- 

 row and pointed. 



Tongue conical, papillous, but soft, with the ex- 

 tremity slightly notched ; mouth moderately large, 

 bordered by lips susceptible of extension. 



Feet five-toed ; the anterior displaying exter- 

 nally the hand only ; the posterior feet naked : 

 toes slightl}^ distinct, enveloped by the skin which 

 extends beyond them more or less ; those of the 

 hand decreasing in length, ordinarily from the in- 

 ternal to the external; the two external of the 

 hind feet the longest. 



Tail short and thick, situate between the two 

 hind feet. 



Mammae to the number of four, abdominal ; hair 

 in general short, stiff and recumbent; whiskers 

 very strong and abundant ; stomach simple, mem- 

 branous ; intestines of ec^ual diameter throughout 

 their length. 



