WOLVES. 175 
white as you approach the Arctic Circle. The texture of 
the hair in the black wolf is coarse, and his covering scant 
—that of the red animal similar, but not so much so, while 
the gray is well provided with an abundant fur, but not 
equal in quality or texture to the Arctic variety. Here, as 
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GRAY WOLVES. 
in many other races, is to be observed the wonderful pro- 
vision of nature to enable the animal kingdom to be suita- 
bly clothed for the climate they live in, whether they have 
to combat with almost tropical heat or hyperborean win- 
ters. Thus what is generally called the gray wolf is one 
and the same race with the black, brown, and white, the 
change of color being to adapt them to the prevailing tem- 
perature of the latitude they live in. 
The two other species are the coyote and prairie-wolf, 
both much smaller than the aforementioned species, in fact 
bearing the same relative position to the New World as 
