l86 TYPES OF ANIMAL LIFE 



the reitbok, the palla, the sable antelope, the blaubok, 

 Baker's antelope, the gemsbok, the leucoryx, the beautiful 

 harnessed antelope, the kudu, and the eland. Among 

 Asiatic forms may be mentioned the curious and very 

 exceptional four-horned antelope of India, the black buck 

 of Bengal and Malabar, the saiga of the steppes of central 

 Asia, the chiru of Turkestan, more than twenty species 



Fig. 49. 



THE HARNESSED ANTELOPE. 



of gazelles, and the elegant, short-h orned nilghai . Ranging 

 from eastern Africa to western Asia the addax and the 

 oryx are to be found. 



All the animals yet noticed have horns which are un- 

 branched, and when once developed are not shed. North 

 America, however, possesses a very strange form known 

 as the prong-horned antelope, which is exceptional in two 

 respects: (i) Each of its horns gives off a branch ex- 

 tending forward, although the bony core is unbranched. 



