"Carse, I still will take you and Leithgow—alive. It would of course be idle to ask you to surrender, but that's not necessary, for you're trapped and can't possibly last another five minutes. I intrude only to warn you away from my synchronized brains. I will destroy without compunction anyone who meddles with them."

Dr. Ku's voice dropped away; the last words seemed to have come from below. Apparently he was descending by a stairway or hidden elevator.

"Without compunction!" Leithgow echoed with a bitter smile.

Carse ordered Friday curtly to watch the panel, then returned to Leithgow.

"Eliot," he said, "we've got to be quick."

And with his words the delicate, overstrained filament in the tiny instrument bulb gave out, and the laboratory was plunged into ultimate blackness....

CHAPTER XII

Out Under the Dome

Within the well of darkness rang the metallic reverberations from the battering on the four doors all around. The fluid nothingness was a place of fear. Its nerve-shattering, mind-confusing bedlam might have come from the fantastic anvils of some giant, malevolent blacksmith.

The Hawk's curt voice cut through imperatively: