"All I regret is that I didn"t cut your throat!"
Beneath the building was a room the boys had not discovered, and there the "queer" had been made.
At last the mystery of the island was solved, and Frank Merriwell was satisfied. But the boys had been furnished with a topic for conversation and discussion that would be interesting for a long time to come.
And Frank was well satisfied to leave Devil Island at last.
THE END.