i88 



THE WILD YAK. 



flanks. The muzzle is partly grey, and the yoiinger 

 males have marks of the same colour on the upper 

 part of the body, whilst a narrow silvery grey stripe 

 runs down the centre of the back. The hair of 

 young yaks is much softer than that of the older 

 ones ; they are also distinguishable by their smaller 

 size,^ and by handsomer horns with the points 

 turned up, whereas those of the older males are 

 turned more inwards, and are always covered near 

 the root with dun-coloured wrinkled skin. 



The females are much smaller than the males,^ 



'\'nv. Wild Yak (Poc/>/tagics grii/inieiis. Pall.). 



and not nearly so striking in appearance ; their horns 



'^ A six-year-old bull is only 9^ feet long, not measuring the tail, and 

 is altogether a smaller animal than the old one. 



^ An old cow-yak is 7 ft. 3 in. without the tail ; Iieight at the hump 

 4 ft. 9 in. ; girth round the middle of the body 7 ft. ; weight one half 

 or one third lliat of the male. 



