190 THE MAMMALIA. 



<l:iy can show as distinct or regular a pedign ( 

 the horse. By means of the accompanying table 

 we will endeavour to solve our problem. The con- 

 nections are, upon the whole, so simple and clear 

 that, although paleontologists may differ in the 

 explanation of the relationships, these differences 

 refer merely to subordinate points. 



TABLE SHOWING THE CONNECTION BETWEEN THE ODD-HOOFED ANIMALS. 





Present Time Tapir Rhinoceros Horse 



Diluvium Elasmotherium Pliohippus ' 



fHipparion Protohippus 



Aceratherium Anchitherium Miohippus 



Miocene Mesohippus 



Palaeotherium med. Orohippus 



Lophiodon f Palaeotherium Eohippus 



Eocene PalcEotheridse (four and three toed) 



I 

 Anti-Eocene odd-hoofed animals 



1 American line of hoi 



1. TAPIR AND RHINOCEROS. 



Of Tapirs we have two or perhaps three species 

 in South America, and one in India. Tl un- 

 favourite haunts are moist forests. Their dentition 

 is very complete in spite of a considerable gap 

 between the canines and molars. The dental for- 



. 3 1 4.3 



mula is : ? , c , m . 



