22G 
THE GREAT GLACIER 
neighborhood of the 80th parallel, gives a length of 
more than twelve hundred miles, not materially less 
than that of Australia from its northern to its southern 
cape. (44) 
GREAT GLACIER. 
Imagine, now, the centre of such a continent, occu¬ 
pied through nearly its whole extent by a deep un¬ 
broken sea of ice, that gathers perennial increase from 
the water-shed of vast snow-covered mountains and all 
the precipitations of the atmosphere upon its own sur¬ 
face. Imagine this, moving onward like a great glacial 
river, seeking outlets at every fiord and valley, rolling 
