VARIATIONS OF GLACIERS 671 
was attached to Vancouver’s exploratory expedition of 1794, states that this bay 
was four and a half miles deep and was terminated by a perpendicular cliff of ice. 
This would seem to indicate a retreat of ice in the axis of Icy Bay of some six and 
a half miles from 1794 to 1908. 
Glaciers of Port Nell Juan.—There are three tide-water glaciers in this bay, all 
showing retreat in recent years. ‘The largest of these glaciers is in the third (from 
the entrance) of the southerly arms of Port Nell Juan. Near the western side of 
the end of this glacier there is a granite knob, rising some 175 feet above tide, on 
which is a small moraine marking an advance of the ice into a straggling forest. 
This advance was probably about 20 years ago, since which there has been a 
retreat of the ice for 500 feet.* 
Barry Glacier.—In 1905 this glacier was found to have retreated markedly 
since 1899. It was visited again in 1908 and its front was found to have retreated 
on the east side about a fourth of a mile, and more than this on the west side, since 
1905. 
Bainbridge Glacier —Within the last few years this glacier has retreated to a 
small extent as shown by a bare, treeless zone on the south side of the front, and by 
a small moraine on the north side of the front. This moraine on August 3, 1908, 
was 30 to 60 feet in front of the end of the glacier, and the moraine in part lies 
against a forest some of whose trees were overturned by the ice. 
The Matamaka Glacier, the source of the river of the same name, 
which flows into the head of Cook Inlet, was apparently retreating 
intgo5. The glacier was from three to five miles at its end (Griffith). 
t There was a slight advance of Muir Glacier between 1890 and 1892. 
