All record of time was lost. But the days were visibly lengthening with each sunrise and sunset, and when the wind did not blow to freeze them, and the snow did not drift to blind them, the sunshine gave forth a hint--just a hint--of warmth.
One day the dead silence was suddenly startled by the long-drawn-out howl of a wolf. It was a blood-curdling and almost human cry, and Shad likened it to the agonised cry of a lost soul in the depths of eternal torment. Again and again it sounded, then suddenly ceasing, Shad discovered the animal itself trotting leisurely after them far in the rear, and a feeling of fellowship--of pity--welled up in his bosom.
But when he discovered the creature still following them the next day, now so near that he could see its lolling red tongue, its lean sides, a
