And in the meantime the ape-man moved swiftly through the trees along one side of the avenue, dropped to a low roof, crossed it and sprang into a tree that rose from an inner court, pausing there to listen for signs of pursuit. After the manner of a wild beast hunted through his native jungle, he moved as silently as the shadow of a shadow, so that now, although he crouched scarce twenty feet above them, the two people in the courtyard below him were unaware of his presence. But Tarzan was not unaware of theirs and as he listened to the noise of the growing pursuit, that was spreading now in all directions through the city, he took note of the girl and the man in the garden beneath him. It was apparent that the man was wooing the maid, and Tarzan needed no knowledge of their spoken language to interpret the gestures, the glances, and the facial expressions of passionate pleading upon the part of the man or the cold aloofness of the girl. Sometimes a tilt of her head presented a partial view of her profile to the ape-man and he guessed that she was very beautiful, but the face of the young man with her reminded him of the face of Pamba the rat. It was evident that his courtship was not progressing to the liking of the youth and now there were evidences of anger in his tone. The girl rose haughtily and with a cold word turned away, and then the man leaped to his feet from the bench upon which they had been sitting and seized her roughly by the arm. She turned surprised and angry eyes upon him and had half voiced a cry for help when the rat-faced man clapped a hand across her mouth and with his free arm dragged her into his embrace. Now all this was none of Tarzan's affair. The shes of the city of Castra Sanguinarius meant no more to the savage ape-man than did the shes of the village of Nyuto, chief of the Bagegos. They meant no more to him than did Sabor the lioness and far less than did the shes of the tribe of Akut or of Toyat the king ape--but Tarzan of the Apes was often a creature of impulses; now he realized that he did not like the rat-faced young man, and that he never could like him, while the girl that he was maltreating seemed to be doubly likeable because of her evident aversion to her tormentor. The man had bent the girl's frail body back upon the bench. His lips were close to hers when there was a sudden jarring of the ground beside him and he turned astonished eyes upon the figure of a half-naked giant. Steel-gray eyes looked into his beady black ones, a heavy hand fell upon the collar of his tunic, and he felt himself lifted from the body of the girl and then hurled roughly aside.