HOW TARZAN CAME AGAIN TO OPAR
He realized that to retrace his steps and enter the city from above ground would mean that he would be too late to save the girl, if it were indeed she who lay upon the sacrificial altar above him. But there seemed no other way, and so he turned and ran swiftly back into the passageway beyond the broken wall. At the well he heard again the monotonous voice of the high priestess, and, as he glanced aloft, the opening, twenty feet above, seemed so near that he was tempted to leap for it in a mad endeavor to reach the inner courtyard that lay so near.
If he could but get one end of his grass rope caught upon some projection at the top of that tantalizing aperture! In the instant's pause and thought an idea occurred to him. He would attempt it. Turning back to the tumbled wall, he seized one of the large, flat slabs that had composed it. Hastily making one end of his rope fast to the piece of granite, he returned to the shaft, and, coiling the balance of the rope on the floor beside him, the ape-man took the heavy slab in both hands, and, swinging it several times to get the distance and the direction fixed, he let the weight fly up at a slight angle, so that, instead of falling straight back into the shaft again, it grazed the far edge, tumbling over into the court beyond.
Tarzan dragged for a moment upon the slack end of the rope until he felt that the stone was lodged with fair security at the shaft's top, then he swung out over the black depths beneath. The moment his full weight came upon the rope he felt it slip from
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