"We can't go in this direction, Smith!" shouted Leonard hopelessly. "There are more ships in that direction."

"Warships?" demanded Caradoc swinging his spyglass around.

"Yes, fighting tops!"

Both lads focused in the new direction.

"Those Germans do everything thoroughly," shouted Leonard, "even to sinking a tug!"

But instead of despairing, Caradoc, after a single glance, rushed over to the speaking tube to the boilers. He blew the whistle shrilly, then folded it back and screamed down.

"Malone! Malone! Malone!"

"Very well, sir!" came back the muffled voice through the pipe.

"Give her all steam possible! Blow her up! Speed her, man, speed her!"

"Very well, sir!" returned the same voice.