THE GAUR (Bos gauru.$) is massive with large ears little or no dewlap, and dark color on the back. It is found in India, Cochin China, Siam, Burma, etc. The gaur has apparently not been domes ticated. On the other hand the gayal (Bos frontalis) of similar appearance but smaller size and shorter legs is eas ily domesticated. Ben when allowed to roam at will in the forests they return at night to their owners. The gayal has flanks. Its native home is the plateau of Tibet where it ranges in summer at elevations of 14,000 to 20,000 feet. Do mesticated yak are smaller, with slen derer horns and may be kept at all al titudes. Domestic yak cross freely with native Indian cattle.