Fi(i. 4. THE PlilNCE OF TllK ZEBKA FAMILY, J-Jiiims (/nri/i 

 From i)liotograph l)y Sanborn, in the Zoological Park 



erect mane and black stripe down the back. In fact, this black stripe 

 dowTi the back so well shown also in the back view of the Grevy 

 Zebra (Fig;. 5), is the most universal uf all the color markings in the 

 family of liorses. 



It is difficult to conjecture what advantage this dark brown or black 

 line brings to the animal. In all the accompanying photographs it 

 appears to shade off into the background. 



The very bi'illiant dark-brown stripes of the Clrevy zebra, shown in 

 Fig. 4, certainly tend to make the animal very conspicuous as seen in 

 its yard; but from certain points of view, such as that of Fig. 4, where 

 the sunshine glances off the glistening hair, the white and brown stripes 

 on certain regions of the body entirely disappear. Those who strongly 

 believe in the color i)i-otection theory truly point out that in certain sur- 

 rovuidings this most brilliantly marked of all the mammalia almost 



