He watched his chance, and slipping past the bell boys, made his way up the stairs, which, on account of the elevators, were but little used. In a few minutes he was in front of the door to Room 324. He tried it cautiously, to find it locked.
"Now if only the keys will work," he muttered, breathing hard, and taking a bunch of keys from his pocket he tried them, one after another.
He had tried four keys without success, when he saw a waiter approaching with a trayful of good things for a late supper in a nearby apartment. At once he moved away down the hallway and did not return until the servant had disappeared from view.
He had five other keys and the third fitted the lock, although rather crudely; so crudely in fact that once the lock bolt was turned the key could not be withdrawn.
"That's bad," he thought. "But as it cannot be helped I'll have to make the best of it. I mustn't stay here too long," and going into the room he closed the door after him.
There was a faint light burning at one of the gas jets and this he turned up, and pulled down the shades of the windows. Then he gazed swiftly around the large room, noting the boys'
