It is curious to observe here, actually taking place before our eyes, those geological events which have transpired in southern latitudes during the glacier epoch, not only in the abrasion of the rock as seen at Cairn Point and elsewhere, but in the changes which they work in the deeper sea. In this agency the ice-foot bears a conspicuous influence. This ice-foot is but a shelf of ice, as it were, glued against the shore, and is the winter-girdle of all the Arctic coasts. It is wide or narrow as the shore slopes gently into the sea or meets it abruptly. It is usually broken away toward the close of every summer, and the masses of rock which have been hurled down upon it from the cliffs above are carried away and dropped in the sea, when the raft has loosened from the shore and drifted off, steadily melting as it floats. The amount of rock thus transported to the ocean is immense, and yet it falls far short of that which is carried by the icebergs; the rock and sand imbedded in which, as they lay in the parent glacier, being sometimes sufficient to bear them down under the weight until but the merest fragment rises above the surface. As the berg melts, the rocks and sand fall to the bottom of the ocean; and, if the place of their deposit should one day rise above the sea-level, some geological student of future ages may, perhaps, be as much puzzled to know how they came there as those of the present generation are to account for the boulders of the Connecticut valley. July 3d. [Sidenote: A WALRUS HUNT.] I have had a walrus hunt and a most exciting day's sport. Much ice has broken adrift and come down the Sound, during the past few days; and, when the sun is out bright and hot, the walrus come up out of the water to sleep and bask in the warmth on the pack. Being upon the hill-top this morning to select a place for building a cairn, my ear caught the hoarse bellowing of numerous walrus; and, upon looking over the sea I observed that the tide was carrying the pack across the outer limit of the bay, and that it was alive with the beasts, which were filling the air with such uncouth noises. Their numbers appeared to be even beyond conjecture, for they extended as far as the eye could reach, almost every piece of ice being covered. There must have been, indeed, many hundreds or even thousands. Hurrying from the hill, I called for volunteers, and quickly had a boat's crew ready for some sport. Putting three rifles, a harpoon, and a line into one of the whale-boats, we dragged it over the ice to the open water, into which it was speedily launched.