CLASS I. ORDER VI. 59 



MANIS, (scaly hizard, pangolin,") teeth none ; 

 tongue cylindric and extensile ; mouth narrowed 

 into a snout ; body covered with scales. 



PLATYPUS, (duck-mouth,) mouth shaped like 

 the bill of a duck ; feet webbed. 



ORDER 6. PACHYDERMA. 



Having hoofs and no clavicle ; sJcin very thick. 



ELEPHAS, (elephant,) cutting teeth none in ei- 

 ther jaw ; tusks in the upper jaw ; grinders com- 

 posed of vertical plates of a bony substance ; pro- 

 bocis very long, prehensile ; body nearly naked. 



MASTODON, (extinct animal,) grinders have a 

 bristly crown, or a sort of gum, with thick conic 

 points. Other teeth mostly like those of the ele- 

 phant. 



HYPPOPOTAMUS, (river horse,) incisors 4 in each 

 jaw, above distant in pairs, below prominent and 

 the two middle ones longest ; canines solitary ; 

 below extremely large, long, curved, and oblique- 

 ly truncated ; feet armed at the margin with each 

 4 hoofs. 



Sus, (swine,) incisors above 4, converging ; be- 

 low 6, projecting ; canines below 2, longexsert : 

 above 2, shorter ; snout truncated, prominent; 

 inoveable ; feet cloven. 



ANOPLOTIIERIUM, (extinct animal,) incisors 6 in 

 each jaw ; four canine teeth resembling the incis- 

 ors : twenty-eight grinders forming a continued 

 series, like those of the human teeth. Feet ter- 

 minate in cloven hoofs. This animal must have 

 borne considerable resemblance to animals of the 

 order Ruminantes. 



RHINOCEROS, (rhinoceros,) one or two horns, 

 solid; perennial, conical, seated on the noise, and 



