Tragor turned and glanced for an instant at the view-glass, which mirrored the shining waters of the lake far below and the launch which was heading northward.

He stiffened in instant alarm, gripping Sull's arm. "That speedboat!" he whispered. "Sull, look! Quickly! Can you see it? They've observed the ship and are turning about. We can't allow that many eyewitnesses to remain alive when everything is so crucial. It would be dangerous—the height of folly. We must silence them immediately."

Sull turned and stared in the view-glass, his lean body and the emaciated lines of his face making him look almost mummylike in the cold overhead light.

"Three men and three women," he said. "One of the men has a camera."

"It would not be the first time that photographs have been taken of our ships in daylight," Tragor said quickly. "But we cannot risk it now. Events are moving too rapidly."

"Yes, it would be a very clear photograph, with identifiable scenery in the background. The kind of photograph it would be difficult to fake. It would carry conviction, if backed up with the observations of six eyewitnesses. I do not like it at all."

"Neither do I. And it is too late to get out of range. They have started taking pictures and they can see us clearly. I'm afraid we shall have to destroy the boat."

Tragor turned, strode quickly across the compartment and picked up a communication tube. He spoke into it, issuing detailed instructions, pleased by the steady way his voice rose above the faint buzzing and clicking of the instrument, feeling within him the sureness and firmness which he always experienced when he knew himself to be in command....

On the bright waters of the lake the occupants of the launch were no longer in a merrymaking mood. It had been quite wonderful to be in such a mood and it had lasted for five hours before the huge, shining disk had come into view. Both the men and the women had been drinking heavily and had felt gloriously relaxed and at ease, the way they had known they would feel on a speedboat excursion with no holds barred. Even now on the foredeck there was still a sprawl of arms and nylon-encased legs and a sleepy voice whispering: "I'm not going to get up, lover. Not even going to get up and look. You hear me, lover? It's too dee-licious right here. What do I care about an old flying saucer? You are sending me, lover. Sweetkins, come closer. Closer ... that's it. Never mind that silly old flying saucer. We can do our own flying right here."

All of the others had gotten up, however and were staring up at the sky. One of the women was very tall, but otherwise no fault could have been found with her from a man's point of view. She was wearing only a halter and a transparent, black gauze brassiere which was having no success at all in concealing her rose-tipped, sharply pointed breasts. Her legs were long and so beautifully shaped that they could very easily have persuaded a man at the wheel of a speedboat to ignore the safety of his companions in a dangerous gale. The whiteness of her body where it wasn't sun-tanned was a specialty of the house, and her face went with the menu like the rarest of Parisian wines.