"But that was not the agreement," insisted the girl. "I was to lead you to the valley, and that I have done. I am going back to look for my people now whether you send any one with me or not."

She wheeled her pony to turn back along the trail they had come. She did not know where her people were; but she had heard the Arabs say that the falls they had passed were the Omwamwi Falls, and she knew that the safari had been marching for this destination when she had been stolen more than a week before. They must be close to them by this time.

But she was not destined to carry her scheme into execution, for as she wheeled her mount Atewy spurred to her side, grasped her bridle rein, and, with an oath, struck her across the face.

"The next time you try that you'll get something worse," he threatened.

Suffering from the blow, helpless, hopeless, the girl broke into tears. She thought that she had plumbed the uttermost depths of terror and despair, but she did not know what the near future held in store for her.

That night the Arabs camped just east of the red granite monolith that they believed marked the entrance to the valley of diamonds, at the mouth of a narrow canyon.

Early the following morning they started up the canyon on the march that they believed would lead them to a country of fabulous wealth. From far above them savage eyes looked down from scowling black faces, watching their progress.

XX

"COME WITH ME!"

In the light of a new day Tarzan of the Apes stood looking down upon the man who resembled him so closely that the ape-man experienced the uncanny sensation of standing apart, like a disembodied spirit, viewing his corporeal self.