him with a swift backward kick, he turned just in time to encounter Hal.

Hal's right fist shot out sharply, and the Austrian staggered back as the
blow caught him upon the point of the chin. But the blow had been
delivered too quickly to have the desired effect, and the Austrian
recovered himself in a moment, and, crouching low, advanced upon Hal. At
the same time he raised his voice in a call for help.

"We'll have to dispose of this fellow pretty quick or it's all off," said
Hal to the others. "Jump him from behind, Chester, while I keep him
occupied here."

Chester needed no urging. He stepped aside quickly, and then jumped
behind the Austrian, before the latter had time to back into a corner,
had such been his intention. Uncle John circled about a bit and moved on
him from the other side.

The Austrian took a quick look at his foes, threatening him from three
sides. He realized he was no match for all, and his thoughts turned to
escape. There was just one way by which he could get away--through the
door by which he had entered the room--and this would give the prisoners
a chance to make a break for liberty.

Hal struck out savagely with his right fist, and the Austrian hesitated
no longer. With a quick backward leap, he passed from the room, making no
effort to close the door behind him.

"After him!" cried Hal, also jumping forward.

The Austrian turned and took to his heels, and Hal, Chester and Uncle