man was out of sight. He heard a distant door shut and then all became quiet.
"Who was it?" asked Tom, as he joined Dick.
"Was the fellow in your room?" asked Sam.
"No, but he was trying to get in," answered Dick. "When I woke up he was trying to put a key in the lock. When I started to open the door, thinking it might be dad, the fellow ran away."
"Was it a hallman?"
"I don't think so."
"Where did he go to?"
"Somewhere in this part of the hotel. I just heard a door shut."
"Then he must be on this floor," said Tom. "Say, we ought to investigate this. Did you get a look at him, Dick?"
"Not much of a look. I saw he had a heavy beard."
By this time one of the hallmen was coming up, and to him the boys explained what had happened. He was much interested, for he knew about the disappearance of Mr. Rover, and said he would report to the office.
"I think I heard something drop," said Dick, as the boys returned to the rooms, to put on
