SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE SHER2KR. PLATE XXXIV. 



FIG. I. Beginning of subglacial fluting by pressure-melting, Illecillewaet Glacier, 



August, 1905. 



FIG. 2. Subglacial fluting by pressure-melting, Illecillewaet Glacier, August, 1903. Photo- 

 graphed beneath the glacier and at an estimated distance of 70 feet from the 

 rock responsible for the fluting. 



Fir,. 3. Roches moutonne'es near nose of lllecillewaet Glacier. Motion of ice from 



right to left. 



