ney toward the darkness in the rear of the cave. The dying fire cast little light.
Little by little they edged forward into the depths of the cave, past the sleeping men. The slightest noise, they knew, might be sufficient to arouse one of the gang. They proceeded with the utmost caution toward the back of the cavern.
At length Frank found what he sought. It was a dark patch in the rear wall—the entrance to the inner chamber.
He reached it safely and groped his way through into the pitchy blackness beyond. He stopped and listened. The sound of deep breathing told him that his two chums were asleep within.
He reached back and laid a restraining hand on Joe's arm, indicating that he was to remain at the mouth of the inner chamber and keep watch. Joe realized his intention and remained where he was. Frank then continued.
Cautiously, he groped about in the darkness, moving slowly forward. At length his hand fell upon an outstretched arm, then a shoulder which stirred slightly.
He bent forward and shook the sleeper.
"Chet!" he whispered.
The other boy moved and began to sit up. The chains jangled.
"Quiet!" whispered Frank, fearing that his
