Sobered faces greeted this announcement, and perceptibly the men straightened and held themselves more alertly. Wells at once returned to the control room. A glance at the location chart and its two tiny lights told him that the intervening distance had been decreased to about half a mile.
The depth dial showed them both to be two miles below, and steadily diving lower. Charts showed the sea-floor to be three miles deep in this position, and that meant—
"Look there!" exclaimed the first officer suddenly. "It's changing course!"
he crimson stud had suddenly shifted its course, and now was fleeing directly before them. For a moment the distance between the green and red lights remained constant—and then Keith Wells stared unbelievingly at the chart, wiped a hand across his eyes and stared again.
"Why—why, the devils are as fast as we!" he exclaimed in amazement. "I think they're even gaining on us!"
"And there's no other submarine in the world that can do more than thirty under water!" Hemmy Bowman added. "We're hitting a full forty-one!"
A call came through the communication tube from Sparks. "Report from Consolidated Radio News-Broadcasters, sir, aimed especially at us."
"Well?" asked Keith, motioning Hemmy to listen in. Sparks read it.