THE ZEBRA OF THE PLAINS. 
Eeuus BURCHELLII. 
Tue well known group of which the Horse, the Ass, and 
the Zebra constitute the leading species, is distinguished 
from all other quadrupeds by the form of their hoof, 
which is single and undivided, rounded in front, of con- 
siderable thickness, and enveloping the extremity of 
their only apparent toe. They have in each jaw six 
powerful cutting teeth, accompanied qn either side by 
the same number of grinders with square crowns flat- 
tened at the top: the males have two canines in the 
upper jaw, and frequently in the lower also; and this 
structure is sometimes shared by the females of the 
domesticated races. Between the canines and the molars 
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