THE GLACIER LAKES 



107 



ished thousands of years before those now bright 

 ening the alpine landscapes were born. And in 

 general, owing to the deliberation of the upward 



THE DEATH OF A LAKE. 



retreat of the glaciers, the lowest of the existing 

 lakes are also the oldest, a gradual transition being 

 apparent throughout the entire belt, from the older, 

 forested, meadow-rimmed and contracted forms all 



