Dr. Bird looked around him with keen interest. Before him stood a static generator of gigantic proportions and of a totally unfamiliar design. Attached to it was an elliptic reflector of silvery metal, from which rose a short, stubby projector tube.

"I suppose, Dr. Saranoff—" began Dr. Bird.

"Ivan Saranoff, if you please, Doctor," interrupted the Russian. "I have renounced the trumpery distinctions of your bourgeois civilization as far as I am concerned."

"I suppose, Ivan Saranoff," said Dr. Bird obligingly, "that this is the apparatus with which you send out a stream of negative particles."

"It is, Doctor. I had no idea that the nature of it would ever be discovered; at least not until I had changed the United States to a second Sahara desert. I reckoned without you. In point of fact, at the time that I built this device and started it in operation, I had not clashed with you. Now, I know that my plan is a failure. You have left data on which other men can work, have you not?"

"Surely."

"I would not have believed you had you said otherwise," replied the Russian with a sigh. "Yet this device has done much good. Now it shall be destroyed. It has not been a failure, for its destruction will accomplish both yours and that of your friend, Carnes."

"You haven't caught Carnes yet."

"That is easy. The same bait which caught you has caught him even more easily. I have a real sense of humor, Doctor, and before I went out of my way to bring you here, my plans were carefully laid. Mr. Carnes is now on his way here from Washington, lured by my voice. He is rushing, he thinks, to your rescue."

"What—"