The ascent, then, had been possible; the descent, curiously enough, he seemed to have found another matter; and after striving in vain to retrace his footsteps, had been obliged to commit himself to the dangerous experiment of passing from the tower to the external surface of the main fortress. He had accomplished half his journey and now stood directly over against us in a posture which caused my young limbs to stiffen with dismay. The point to which he had directed himself was apparently the breach at which we stood; meanwhile he had paused, clinging in mid-air to heaven knows what narrow ledge or flimsy iron clump in the stone-work, and straining his nerves to an agonized tension in the effort not to fall, while his eyes vaguely wandered in quest of another footing. The wall of the castle was so immensely thick, that wherever he could embrace its entire section, progress was comparatively easy; the more especially as, above our heads, this same wall had been demolished in such a way as to maintain a rapid upward
