of the world beyond the confines of their little valley.
And yet, here was the city surrounded by tilled land and filled with people!
With the coming of night there arose throughout the jungle the cries of the great cats, the voice of Numa blended with that of Sheeta, and the thunderous roars of the great males reverberated through the forest until the earth trembled, and from within the city came the answering roars of other lions.
A simple plan for gaining entrance to the city had occurred to Tarzan, and now that darkness had fallen he set about to put it into effect. Its success hinged entirely upon the strength of the vines he had seen surmounting the wall toward the east. In this direction he made his way, while from out of the forest about him the cries of the flesh-eaters increased in volume and ferocity. A quarter of a mile intervened between the forest and the city wall—a quarter of a mile of cultivated land unrelieved by a single tree. Tarzan of the Apes realized his limitations and so he knew that it would undoubtedly spell death for him to be caught in the open space by one of the great black lions of the forest if, as he had already surmised, Numa of the pit was a specimen of the forest lion of the valley.
He must, therefore, depend entirely upon his cunning and his speed, and upon the chance that the vine would sustain his weight.
He moved through the middle terrace, where the way is always easiest, until he reached a point opposite the vine-clad portion of the wall, and there he