"Eight minutes!" said Leithgow worriedly. "Eight minutes for Carse to come! He promised the bodies, but ... well, we can only go ahead with the preparations and trust to him. Is everything ready?"

"All but my assistants. I had better see them now."


he Master Scientist issued an order to one of his men, and presently the four white assistants of Dr. Ku were led into the laboratory. For these men, no V-27 was needed; their brains were utterly subservient to Dr. Ku Sui, and his orders they would obey unquestioningly, no matter what the work. There was no danger from them.

They stood motionless, their eyes fastened on their master, as he spoke to them.

"Brain operations," he said. "These"—he indicated the case—"are to be transplanted again into human heads. You have done work similar to it before; you know the routine. But now it must be quick. Synchronize your speed with mine; I will be working very rapidly, and it is vital that you be in harmony with me every instant. When the bodies come, you will prepare the heads: and then you will attend me through every step. You understand." He turned to the old scientist. "Operating gowns, gloves, masks, Master Leithgow?"

"I have your own. Over there. Your black costume is among them."

But Leithgow's answer was abstracted. Four minutes for Carse to come! Or else, everything lost! He busied himself helping the four surgeons and two of his own assistants into the white, sterilized gowns, and the masks that left only the eyes free and the skin-tight rubber gloves, but his mind was not with his actions. The old man looked very frail now; his age showed in the deep lines now eminent on his face. Three minutes—swiftly two....

"At least," observed Ku Sui, "we have one body ... the coolie. I had better start immediately on him."