PACHYDEEMATA. 



495 



united into a sort of vault, upon which is supported a solid horn, 

 composed of agglutinated hairs. They frequent marshy places, and 

 live on herbs and the branches of trees. 



The Tapirs (Tapir) have their nose prolonged into a short pro- 



FlG. 422. AMKRICAN TAP1JK. 



boscis, which, although very moveable, is not prehensile, like that of 

 the Elephant. There are several species known. 



The third family of Pachydermata, or hoofed non- 

 ruminating animals, comprehends 



The Solipedes, having only one apparent toe on 

 each foot, which is enclosed in a single hoof. They 

 have, however, under the skin, the rudiments pf 

 lateral toes. Only one genus is known, namely, 



The Horses (Equus), distinguished by having six 

 incisors in each jaw ; small canines likewise exist 

 in the males, which are wanting in the females. Be- 

 tween the canines and the first cheek-tooth there is 

 a space which corresponds with the angle of the lips, 

 where the bit is placed, an arrangement by which 

 alone man has been able to subjugate this vigorous 

 quadruped. 



The Horse (Equus Cdballus^, the noble companion of man in the 



