volver. "We'll go and attend to our friend in the cave."
"Hadn't we better wait here for him? There may be some one with him."
"I guess you're right. We'll take him by surprise the next time he comes back."
Frank went over to the side of the tunnel that led out into the main cave.
"Bring those ropes with you, Joe. Take the other side."
Joe picked up the cords that had bound his own wrists, and took up his position at the other side of the entrance. There the boys waited.
In a short time they heard heavy footsteps in the tunnel. Their guard was returning.
Frank gripped the revolver. The lads pressed themselves against the wall. The footsteps drew closer. Then a dark figure emerged from the opening.
Frank stepped swiftly out behind the rascal and pressed the revolver against his back.
"Hands up!" he ordered sharply.
Their victim gave a cry of fright. He had been startled almost out of his wits. His hands shot up.
"Stand where you are!"
Frank still pressed the muzzle of the revolver against their erstwhile captor while Joe searched the man for weapons and found a
