American Prong-Horn 
2. Greenland Caribou. Rangifer grenlandicus (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 Antilocapride 
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-buch. 
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- 
arts white; forehead, nose and spot below the ear dark 
rown, 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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