EXPLANATION OF PLATE X 



UPPER FIGURE. TURNER GLACIER IN 1891 



Photographed by I. C. Russell, September 5, 1891. Negative NO. 

 5^6, United States Geological Survey. 



LOWER FIGURE. TURNER GLACIER IN 1899 



Photographed by G. K. Gilbert, June 22, 1899. Negative NO. 317, 

 United States Geological Survey. 



Each of these photographs was made from near the summit of 

 Haenke Island, the stations being practically identical. The changes 

 in the glacier from 1891 to 1899 are discussed on pages 66-67. 



The position of the glacier, on the west side of Disenchantment 

 Bay, is shown in plate vm and figure 26. 



