but Tarzan did not have to see for he knew by the voices of the apes the identity of the disturbers. He only wondered what had brought them and what the purpose of the attack, for he could not believe that they had come to rescue him.
Numabo and his warriors broke quickly from the circle of their dance to see pushing toward them through the ranks of their screaming and terrified people the very white girl who had escaped them a few nights before, and at her back what appeared to their surprised eyes a veritable horde of the huge and hairy forest men upon whom they looked with considerable fear and awe.
Striking to right and left with his heavy fists, tearing with his great fangs, came Zu-tag, the young bull, while at his heels, emulating his example, surged his hideous apes. Quickly they came through the old men and the women and children, for straight toward Numabo and his warriors the girl led them. It was then that they came within range of Tarzan's vision and he saw with unmixed surprise who it was that led the apes to his rescue.
To Zu-tag he shouted: "Go for the big bulls while the she unbinds me," and to Bertha Kircher: "Quick! Cut these bonds. The apes will take care of the blacks."
Turning from her advance the girl ran to his side. She had no knife and the bonds were tied tightly but she worked quickly and coolly and as Zu-tag and his apes closed with the warriors, she succeeded in loosening Tarzan's bonds sufficiently to