before they had been compelled to retreat in the face of terrific odds. They swore that even then they had only returned because the girl was not in the house—otherwise they should have brought her to their beloved master as he had directed. Now Muda Saffir believed nothing that they said, but he was well pleased with the great treasure which had so unexpectedly fallen into his hands, and he decided to make quite sure of that by transporting it to his own land—later he could return for the girl. So the ten war prahus of the Malay pulled quietly out of the little cove upon the east side of the island, and bending their way toward the south circled its southern extremity and bore away for Borneo. In the bungalow within the north campong Sing and Number Thirteen had lifted Professor Maxon to his bed, and the Chinaman was engaged in bathing and bandaging the wound that had left the older man unconscious. The white giant stood beside him watching his every move. He was trying to understand why sometimes men killed one another and again defended and nursed. He was curious as to the cause of his own sudden change in sentiment toward Professor Maxon. At last he gave the problem up as beyond his powers of solution, and at Sing’s command set about the task of helping to nurse the man whom he considered the author of his unhappiness and whom a few short minutes before he had come to kill. As the two worked over the stricken man their ears were suddenly assailed by a wild commotion from the direction of the workshop. There were sounds of battering upon wood, loud growls and roars, mingled with weird shrieks and screams and the strange, uncanny gibbering of brainless things. Sing looked quickly up at his companion. “Whallee mallee?” he asked. The giant did not answer. An expression of pain crossed his features, and he shuddered—but not from fear. 7 THE BULL WHIP As von Horn and Virginia Maxon walked slowly beneath the dense shadows of the jungle he again renewed his suit. It would please him more to have the girl accompany him voluntarily than to be compelled to take her by force, but take her he would one way or another, and that, this very night, for all the plans were made and already under way. “I cannot do it, Doctor von Horn,” she had said. “No matter how