A DISTINGUISHING MARK 51 



rump-patch of the Prong-Horn is one of Nature's errors. It 

 enables a pursuer to mark the animal long after it should 

 reallv become invisible. 



The Prong-Horned Antelope is next in size to the smaller 

 species of our mountain sheep. It is smaller than the white- 



Painted by < ;irl Rungius. 



PRONG-HORNED ANTELOPE. 



tailed deer of the north, but as large as the southern forms. 

 The largest specimen shown in the Zoological Park herd 

 measured 37H inches high at the shoulders, had a head and 

 body length of 47 :i i inches, tail 3K inches, and chest cir- 

 cumference of '5.5 inches. Its horns were 1 L 2' g inches long and 

 1 c 2 1 2 inches wide between the tips. The longest horns on 

 record are 20'_» inches in length, but any that measure 12 



