THE FROZEN WATER-TUNNEL. 
151 
glaciers which issue from central reservoirs or mers de 
glace upon the fiords or bays, and is strikingly in con¬ 
trast with the dependent or hanging glacier of the 
ravines, where every line and furrow and chasm seems 
THE FROZEN WATER-TUNNEL 
to indicate the movement of descent and the mechanical 
disturbances which have retarded it. 
I have named this great glacier after Alexander 
Von Humboldt, and the cape which flanks it on the 
Greenland coast after Professor Agassiz. 
The point at which this immense body of ice enters 
