"That's good; but say, Bill, you're off watch to-morrow and I want you to do something for me."
"Anything you say."
"This may involve danger."
"Great Scott, you talk like Sherlock Holmes or a dime novel. What's up?"
"I've got the man who stole those diamonds."
"What!"
"Don't talk so loud. I mean what I say. Listen."
And Jack related everything that had occurred.
"Now, what I want you to do is to watch Prof. Dusenberry, as he calls himself, to-morrow when we get into the harbor. His is an inside stateroom so that he can't throw it out of a porthole from there. He'll most likely go to one at the end of a passage."
"Yes, and then what?"