banked behind the muddy ice till the increasing pressure drove all forward again. In addition to the floe and the pack-ice, the gale and the currents were bringing down true bergs, sailing mountains of ice, snapped off from the Greenland side of the water or the north shore of Melville Bay. They pounded in solemnly, the waves breaking white round them, and advanced on the floe like an old-time fleet under full sail.

A berg that seemed ready to carry the world before it would ground helplessly in deep water, reel over, and wallow in a lather of foam and mud and flying frozen spray, while a much smaller and lower one would rip and ride into the flat floe, flinging tons of ice on either side, and cutting a track half a mile long before it was stopped. Some fell like swords, shearing a raw-edged canal; and others splintered