ITS NEAREST EXISTING RELATIONS. 



91 



and is at present limited to a narrow tract near the 

 northern frontier of the colony. A second species, 

 BurchelFs zebra (Equus lurclielli, Gray), still roams 

 in large herds over the plains to the north of the 

 Orange River, but in yearly-diminishing numbers. 



i 



-* .;* 



FIG. 12. Common or Mountain Zebra (Equus zebra). 



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

 Zoological Society^ 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 

 tail more scantily clothed with hair, and a shorter 



