296 THE WORLD OF ICE. who, besides having walked so long and so far on the previous day, were, most of them, much weakened by illness, and very unfit for such laborious work. The floes, too, were so rugged that they had frequently to lift the heavy sledge and its living load over decp rents and chasms which, in circumstances less despe- rate, they would have scarcely ventured to do. Work as they would, however, they could not make more than a mile an hour, and night overtook them ere they reached the level floes. But it was of the utmost importance that they should continue to advance, so they pushed forward until a breeze sprang up that pierced them through and through. Fortunately there was a bright moon in the sky, which enabled them to pick their way among the hummocks. Suddenly, without warning, the whole party felt an alarming failure of their energies. Captain Guy, who was aware of the imminent danger of giving way to this feeling, cheered the men to greater exertion by word and voice, but failed to rouse them, They seemed like men walking in their sleep. “Come, Saunders, cheer up, man!” eried the captain, shaking the mate by the arm; but Saunders stood still, swaying to and fro like a drunken man. Mizzle begged to be allowed to sleep, if it were only for two minutes, and poor Davie Summers deliberately threw himself down on the snow, from which, had he been left, he would never more have risen. The case was now desperate. In vain the captain