G. F. Becker—Temperature and Glaciation. 171 
belt. Experience, therefore, amply justifies the statement that. 
Cooler era more than in proportion to the intensity of solar 
radiation. 
Teached its upper edge. The maximum development of gla- 
fiers on this slope must have occurred when what been 
called the ma ike coincided with its upper edge, and 
Since that time the magnitude of the glaciers upon the slope 
must have been constantly diminishing. 
* It is of i i ly are referred to, i. e. 
that a Single pds wetted oN pg hp pe Arig basin. In 
Point of fact a large glacier frequently drains many névé basins at various alti- 
uch a glacier on the hypothetical slope might remain of constant magni- 
tude during a long period of time, the i saad of accumulation in lower névé 
Dn 
basins compensating for the diminution in higher ones. 
