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174 and pleasurable form of play. He urged the ape to continue until Tarzan was swinging to and fro as far as the short length of rope would permit, but the distance was not great enough, and, too, he was not far enough above the ground to give the necessary thrills which add so greatly to the pastimes of the young.

So he clambered to the branch where the noose was caught and after removing it carried the rope far aloft and out upon a long and powerful branch. Here he again made it fast, and taking the loose end in his hand, clambered quickly down among the branches as far as the rope would permit him to go; then he swung out upon the end of it, his lithe, young body turning and twisting—a human bob upon a pendulum of grass—thirty feet above the ground.

Ah, how delectable! This was indeed a new play of the first magnitude. Tarzan was entranced. Soon he discovered that by wriggling his body in just the right way at the proper time he could diminish or accelerate his oscillation, and, being a boy, he chose, naturally, to accelerate. Presently he was swinging far and wide, while below him, the apes of the tribe of Kerchak looked on in mild amaze.

Had it been you or I swinging there at the end of that grass rope, the thing which presently happened would not have happened, for we could not have hung on so long as to have made it possible; but Tarzan was quite as much at home swinging by his