166 



VERTEBRATA. MAMMALIA. 



WART-HOG (Phacockcerus JEtliwpicus), INDIAN RHINOCEROS (Rhinoceros 

 Indicus), and RIVER-HORSE (Hippopotamus Amphilius). 



ORDER VII. PACHYDERMATA.* 



HITHERTO we have considered animals whose 

 toes and fingers have been free and flexible, though 

 in very different degrees ; their extremities have 

 been furnished with nails, varying in shape from 

 the small flat nail of man and the ape, to the im- 

 mense hoof-like claws of the burrowing Edentata. 

 The power of seizing now entirely disappears, even 



j, pachys, thick, and fypct, derma, skin. 



