"A machine-gun!" he blurted in amazement. "How in...."

"It's Dick!" screamed Dorothy, with flashing eyes. "He's found us, just as I knew he would. You couldn't beat Dick and Martin in a thousand years!"

The tension under which they had been laboring so long suddenly released, the two girls locked their arms around each other in a half-hysterical outburst of relief. Margaret's meaningless words and Dorothy's incoherent praises of her lover and Crane mingled with their racking sobs as each fought to recover self-possession.

DuQuesne had instantly mounted to the upper window. Throwing back the cover, he flashed his torch rapidly. The glare of the searchlight was snuffed out and he saw a flashing light spell out in dots and dashes:

"Can you read Morse?"

"Yes," he signalled back. "Power gone, drifting into...."

"We know it. Will you resist?"

"No."

"Have you fur pressure-suits?"

"Yes."