Looking up through the crystal sheet, he could see an apparently endless line of bubbles rising from where he was to the surface, and, after a while, he began to follow them. With a breathless gasp he again reached the blessed air, and, dashing the water from his eyes, began to consider his situation. He was dazed and bewildered at finding himself still alive and apparently none the worse for his tremendous slide. Although he was in bright sunlight, the mountain-side down which he had come was hidden beneath dense folds of cloud, out of which he seemed to have dropped.