Page:The ocean and its wonders.djvu/190

 high, perpendicular cliffs, and looking as if at any moment it might crumble off, and fall with them into the open water between it and the floating sea-ice.



The sea here was very deep and clear. They could see the bottom quite plainly, although a stone they cast in, the size of a man’s head, took twenty-eight seconds to reach it.

Being now afraid of the ice-ledge, they attempted