ITS NEAREST EXISTING RELATIONS. 



91 



and is at present limited to a narrow tract near the 

 northern frontier of the colony. A second species, 

 BurchelTs zebra (Equus burclielli, Gray), still roams 

 in large herds over the plains to the north of the 

 Orange River, but in yearly-diminishing numbers. 



"■"'?•*. 





Fig. 12. — Common or Mountain Zebra {Equus zebra). 



From a photoglyph by Mr. Gambler Bolton of an animal living in the 

 Zoological Society's Gardens. 



Both species are subject to considerable individual 

 variations in marking, but the following are the prin- 

 cipal characters by which they can be distinguished. 

 Equus zebra is the smaller of the two (about four 

 feet high at the shoulders), and has longer ears, a 

 xail more scantily clothed with hair, and a shorter 



