9 i 4 THE UNGULATES, OR HOOFED MAMMALS 



the lower portion of the throat, and under parts, and the inferior half of the flanks, 

 and extends upward to form a large patch on the rump which includes the tail, 

 ually the throat is crossed by three russet-yellow transverse bars, of which the up- 

 permost 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 twelve inches, but Mr. Otho Shaw has a pair meas- 

 uring seventeen inches, with a span of twenty inches. 



sSfe 



Distribution 



GROUP OK PRONGBUCK. 

 (One-thirteenth natural size.) 



The habitat of the pongbuck appears to be restricted to the temper- 

 ate 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 im- 

 pinges on that river in its upward 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 



