114 FAUNA AMERICANA. 



nine or enormous tusks, longer than the head, 

 oval, laterally compressed, arched inferiorly, ob- 

 tuse at the extremity ; the internal ivory granu- 

 lous, excessively hard, and disposed in curved 

 lines as in the ivory of elephants ; superior mo- 

 lars rather small, nearly cylindrical, with simple 

 crowns truncated obliquely, the first three situat- 

 ed more internally than the others, the third be- 

 ing the largest and the fifth the smallest ; at a 

 certain period two of these teeth fall ; the inferior 

 molars of similar form and decreasing regularly 

 from the first to the last ; body elongated and co- 

 nical like that of the seal; head round, snout 

 swollen ; no external ears ; tail very short ; ante- 

 rior feet or fins, like those of the seal, with five 

 toes, armed with very sharp nails ; posterior feet 

 in the same direction with the body, horizontal, 

 with five toes united by a membrane, the two ex- 

 ternal the longest. 



Species. 



Trichechiis rosmartis, Linn. Gmel. Erxleb. 

 Odobemis, Briss. 



Equus marinus, Rai, syn. quad. p. 191. 

 Manati trichechiis^ Bodd. 

 Le morse, Buff. t. 1 3. pi. 54. Vulgarly Sea coiv. 

 Sea horse, the Morse, &c. 



Char. Essent. Lips very much swollen, with 

 strong whiskers ; two long tusks directed down- 



