326 
UNGULATES. 
prevails on the lower portion of the throat, the uncler-parts, and the inferior half 
of the flanks, and extends upwards to form a large patch on the rump which 
includes the tail. Usually the throat is crossed by three russet-yellow transverse 
bars, of which the uppermost is continuous with the dark area of the lower jaw. 
The lower portion of the limbs is white. The horns are black, save at the tips, 
where they become yellowish; and their usual length is about 12 inches, but Mr. 
Otho Shaw has a pair measuring 17 inches, with a span of 20 inches. 
group of prongbuck ( T 'j nat. size). 
Distribution. Tlle habitat of the prongbuck appears to be restricted to the 
temperate regions of the western portion of North America, and 
there is no evidence that it ever occurred to the eastward of the Mississippi, while 
it only impinges on that river in its upper reaches. According to Mr. Caton, these 
animals originally inhabited all the regions, except wooded districts and high 
mountain ranges, lying to the westward of the Mississippi within the limits of the 
United States. Up to the year 1855 they were abundant in California, and were 
not uncommon in the open parts of Oregon; but they have now almost if not com- 
