I05 8 THE UNGULATES, OR HOOFED MAMMALS 



This is the smallest of all the living species of rhinoceroses, and differs 

 Characteristics from thg preceding k i n ds in carrying two horns. It is further distin- 

 guished by its hairiness, although there is a certain amount of individual variation 

 in this respect. As a rule, the greater part of the body is thinly covered with brown 

 or black hair of considerable length, while there are larger or smaller fringes of hair 

 on the ears and tail. The skin, which is rough and granular, and varies in cole 

 from earthy brown almost to black, has the folds much less developed than in the 

 single-horned species, and only the one behind the shoulders continues right 

 across the back. The two horns are placed some distance apart, and when fully de- 



THE SUMATRAN RHINOCEROS. 

 (The horns, as in most captive specimens, are abnormally short.) 



veloped are thick and massive at the base, but very slender above, the front and longer 

 one sweeping backward- in a graceful curve. In many specimens the horns are, how- 

 ever, very short, and in examples kept in confinement like the one from which our 

 figure is taken, they become worn down to mere stumps. The Sumatran rhinoceros 

 differs from its two Asiatic cousins in having lost the pair of small incisor teeth in the 

 lower jaw, in the front of which only the tusks remain, and even these are sometimes 

 shed in old age. In these respects, therefore, this species, concomitantly with the pres- 

 ence of two horns, shows an indication of approximating to the African rhinoceroses. 

 In addition to the variation in the degrees of development of the hair, this 

 species shows considerable individual differences in color, and also in the relative 



