Lieutenant Prescott was the first to enter the dark little cabin. Poor as the light was his eyes caught sight of something that made him gasp.

"This is the big capture of the season!" cried Dick jubilantly.

CHAPTER XIX

A NEW MYSTERY PEEPS IN

"Get out of here, or you'll get something you don't want," roared an ugly voice at the farther end of the cabin.

At sound of that voice Tom Reade started. He thrust his head in the open doorway.

"Hullo, Evarts!" called the young chief engineer.

"Get out of here!" came the furious order.

"So you've openly joined the enemy, Evarts?" demanded Tom, as his eyes fell upon the object that had first claimed Lieutenant Dick Prescott's attention.

"You've no business here! Get out, or I'll shoot," cried Evarts, defiantly.