But they saw nothing of the two villains.
They had made good their escape.
Mr. Dalton stood by the rock, trembling and anxious, and after a few moments of silence, he asked, eagerly:
"Who is that?"
"Friends," cheerily replied Harry.
"Thank Heaven for that!"
"Harry, the villains are gone."
"Can you see how they got out?"
"Yes. There's another tunnel."
"Let them be for the present, and help me liberate this man."