dark-looking man. He must be on deck or somewhere around."
"That was all?"
"Yes."
"You are certain?"
"I am."
"Then let us find the man who had Stateroom No. 7," said Oliver, with quiet determination. "You know him by sight?"
"Oh, yes!" and after a few words more the head porter hurried off, and Oliver went with him, leaving the captain, Dan, and me to conduct the search in another direction.
In half an hour Oliver came back.
"Well?" I asked.
"Can't find him."
"You looked all over the boat?"
"Yes."
"Why not look in his stateroom?" suggested Dan.
"Of course we did look there—and he's gone, bag and baggage."
"He had some baggage there?" asked the captain.
"A black valise, so the porter says."
"Did that man sign for the stateroom?" I put in.
"To be sure. Everybody down here signed."
"Let us look at the register then," said Dan,
