198 Itocks and Debris on the Ice. 



a canal — coiniiletcly throu^L. Often in passing over the ice Lave I been checked 

 in my course from meeting these winding, river-like channels in the ice, being un- 

 able to leap them, and obliged to make to the mainland that 1 miglit renew my 

 course again. It is tndy a wonder to me that Parry's experience was such as he 

 has recorded. From what I have just written, no one will suppose that I wish to 

 make torrents and more quiet streams from the land the means by which stones, 

 sand, and shells, and weeds get upon or into the ice-floe, though I may say that 

 occasionally such is the fact. 



