American Prong-Horn 



2. Greenland Caribou. Rangifer groenlandicus (Gmelin). Some- 



what like the last, a white ring around the eye and very 

 long slender antlers. 

 Range. Greenland. 



3. Grant's Caribou. Rangifer granti Allen. Represents the 



Barren Ground caribou in the extreme Northwest. Skull 

 characters quite different. 

 Range. Alaskan peninsula. 



PRONG-HORNS 



Family Antilocaprida 



This family contains only the curious prong-horn of our 

 Western plains, an animal intermediate in many ways between 

 the deer and the cattle. 



American Prong-Horn 



Antilocapra americana (Ord) 

 Also called Antelope, Prong-buck. 



Length. 4 feet, 6 inches. Height at shoulder, 2 feet, 10 inches. 



Description. Horns hollow, like those of the cattle, but regularly 

 deciduous, like the antlers of the deer, and forked. The 

 two small rudimentary hoofs, usually seen in ruminant animals 

 behind and above the large pair, are entirely absent. Muzzle 

 covered with hair except a narrow line down the middle, 

 eyes very large and a short mane on the back of the neck. 

 Colour above light yellowish-brown, throat, neck and under- 

 parts white; forehead, nose and spot below the ear dark 

 brown, sides of the head, spot behind the ear and triangular 

 patch on the shoulder joining the throat white. 



Range. Saskatchewan to Mexico; Missouri River to the Rocky 

 Mountains, and the Cascade Mountains of Oregon and Wash- 

 ington. 



The prong-horn or prong-buck is to be found in diminished 

 numbers from the Missouri River to the Pacific and southward 

 into Mexico. They are roving creatures, their movements being 

 largely determined by the weather and the comparative abun- 

 dance or scarcity of water and pasturage. In winter they seek 



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