THE GLACIER OF MOUNT LYELL, CALIFORNIA 



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that the ice crowds closely upon the terminal moraines. There is 

 no space between the face of the glacier and the moraine to indicate 

 recent recession. It will also be noted that a very small portion of 

 the old ice is exposed, the greater part of the surface being covered 

 with last winter's snow. At that altitude no great amount of snow 

 will melt after August 18 — the date of my visit — before a fresh snow- 



Fig. i. — Lyell Glacier, western lobe. (The snow in the foreground is not a part 

 of the glacier, and the first two masses of rock are not moraines. The moraine is nearly 

 covered with snow.) 



fall begins the winter's accumulation. It will be noted, especially 

 in Fig. i, that fresh snow in large quantities lies outside of the moraines 

 as well as covering the greater part of the glacier. The terminal 

 moraine of the western lobe of the glacier is largely concealed from 

 view by fresh accumulations of snow. The foreground is occupied 

 by a lake nearly covered with ice which has remained all summer, 

 and which is buried on the glacier-ward side beneath many feet of 

 snow. The large mass of snow in the foreground, since it has nothing 

 to do with the main glacier, although it has glacial motion of its own, 



