For the full length of another hour did the trio in the tree have their patience tested. During all that time the “rogue” remained upon the ground, continuing his perambulations around the rock—until he had trodden out a path that resembled the arena of a circus at the close of a night’s performance.

It is not necessary to say that the time hung heavily upon the hands of the spectators—to say nothing of Fritz, who would no doubt have been satisfied with a much shorter programme.

As regards the former, the hour might have been spent less pleasantly than it was; for it so chanced that an interlude was introduced, of so interesting a character to all, but more especially to the naturalist Karl, that for a while the proximity of their savage besieger was forgotten, and they scarcely remembered that they were besieged.

Favoured by the accident of their situation, they became spectators of a scene—one of those scenes only to be viewed amid the wild solitudes of Nature.

Not far from the tree on which they had found shelter, stood another of equal dimensions, but of an entirely different species. It was a sycamore, as even Caspar, without any botanical skill, could testify. Its smooth bark, piebald with white and green spots, its widely-straggling limbs and leaves, left no doubt about its being one. It was the sycamore, identical with its European congener, the Platanus orientalis.

It is the habit of this fine tree to become hollow. Not only does the lower part of its trunk exhibit the phenomenon of great cavities, but holes are found high up in its main shaft or in the larger limbs.

The tree in question stood within a few yards of that on which Karl, Caspar, and Ossaroo were perched. It was just before their eyes, whenever they looked in a horizontal direction; and occasionally, when tired with watching the monotonous movements of the elephant, one or other of them did look horizontally. The scanty foliage upon the sycamore enabled them to see its trunk and most of its larger limbs, without any obstruction of leaves or branches.

Caspar had not cast his eyes more than twice in the direction of this tree, when he saw there was something peculiar about it. Caspar was a youth of quick sight and equally quick perception. In the main stem of the tree, and about six feet above its first forking, he perceived an object that at once fixed his attention. It look............