THE WORK OF SNOW AND ICE. 



267 



Fig. 240.— End of Mount Dana glacier, Cal. Shows irregularities of surface due to 

 crevassing farther up the glacier, and to unequal melting. 



Fig, 241. — Shows irregularities due to unequal melting of veined ice. End of small 

 glacier south of Forno hut, Engadine, Switzerland. (Reid.) 



