332 



VERTEBRATE ANIMALS. 



in some fossil forms) one is always placed behind the other in the 

 middle line of the head, and the hinder one is much the shortest. 

 The various species of Rhinoceros are found in India, Java, Suma- 



3 ~ a 3 



Fig. 237.— Feet of Ungulata. A, Fore-foot of Tapir (Tapiras Malayanus) ; B, Perisso- 

 dactyle fore-foot of Rhinoceros Sumatrensis; C, Artiodaetyle foot of Pig {Sus 

 scrofa). The figures indicate which of the normal five digits are present in each 

 foot. (After Flower.) 



Fig. 238. — Head of two-horned Rhinoceros (R. bicornis), 



tra, and Africa, inhabiting marshy places, and feeding chiefly on the 

 foliage of trees. 



The Tapirs ( Tttpiridn:) have fovir toes to each of the fore-legs, but 



