RUMINANTS. 



The Yak (Bos grunniens), Grunting Cow, or Horse-tailed Buffalo 

 is a small species, having its tail entirely covered with long hairs, 



FIG. 440. YAK. 



like those of the horse. This tail still constitutes the standard 

 used among the Turks to distinguish their superior officers. 



The Musk Ox (Bos moschatus] inhabits the most northern parts 



