“My chums!” he murmured. “Their voices! But where do the sounds come from?” He looked around to find the source of the hidden tones, but he could see nothing.
[CHAPTER XXIV]
THE SECRET ROOM
Tom stared uncomprehendingly at the heap of stones. As he stood there he again heard the murmur of the hidden voices. Some one said:
“I wonder how much longer we’ll have to stay here?”
“Jack Fitch, as sure as I’m here!” gasped Tom.
“Hang it all,” said a second voice, “I don’t see why Tom doesn’t do something.”
“That’s Bert Wilson,” murmured our hero.
“Maybe he’s trying to find us, but doesn’t know where to look,” spoke a third person.