THE WILD SHEEP 311 



the very smallest of the Yosemite type, but its walls 

 are sublime, rising to a height of from 2000 to 4000 

 feet above the river. At the head of the valley 

 the main canon forks, as is found to be the case in 

 all yosemites. The formation of this one is due 



HEAD OF ROCKY MOUNTAIN WILD SHEEP. 



chiefly to the action of two great glaciers, whose 

 fountains lay to the eastward, on the flanks of 

 Mounts Humphrey and Emerson and a cluster of 

 nameless peaks farther south. 



