whence comes my power over them, but ever since the day that Sator Throg threw me among them in the banth pit of the Holy Therns, and the great creatures fawned upon instead of devouring me, I ever have had the same strange power over them. They come at my call and do my bidding, even as the faithful Woola does the bidding of your mighty sire.” With a word the girl dispersed the fierce pack. Roaring, they returned to their interrupted feast, while Carthoris and Thuvia passed among them toward the walled city. As they advanced the man looked with wonder upon the dead bodies of those of the green men that had not been devoured or mauled by the banths. He called the girl’s attention to them. No arrows protruded from the great carcasses. Nowhere upon any of them was the sign of mortal wound, nor even slightest scratch or abrasion. Before the bowmen’s dead had disappeared the corpses of the Torquasians had bristled with the deadly arrows of their foes. Where had the slender messengers of death departed? What unseen hand had plucked them from the bodies of the slain? Despite himself Carthoris could scarce repress a shudder of apprehension as he glanced toward the silent city before them. No longer was sign of life visible upon wall or roof top. All was quiet—brooding, ominous quiet. Yet he was sure that eyes watched them from somewhere behind that blank wall. He glanced at Thuvia. She was advancing with wide eyes fixed upon the city gate. He looked in the direction of her gaze, but saw nothing. His gaze upon her seemed to arouse her as from a lethargy. She glanced up at him, a quick, brave smile touching her lips, and then, as though the act was involuntary, she came close to his side and placed one of her hands in his. He guessed that something within her that was beyond her conscious control was appealing to him for protection. He threw an arm about her, and thus they crossed the field. She did not draw away from him. It is doubtful that she realized that his arm was there, so engrossed was she in the mystery of the strange city before them. They stopped before the gate. It was a mighty thing. From its construction Carthoris could but dimly speculate upon its unthinkable antiquity. It was circular, closing a circular