I saw him pause at our door with a key, as though he were going to enter, but he heard me coming, and, muttering that he had taken too much wine and was a bit hazy in his memory, he went on upstairs."
"I thought as much," the major said. "Was the man you speak of familiar to you?"
"No, I can't say that he was," replied Jack, and Tom nodded his acquiescence. "I never saw him before."
"Oh, yes you have," and the major smiled.
"I have? Where?"
"On the train, coming into Paris."
"You mean the German spy?" cried Jack.
"The same," answered the Frenchman. "That's just what he is, and he is spying on you. Now, in view of what is going to happen, we don't want that to go on. So I have come to ask you to change your lodgings, and I think I can take you to one that will be most agreeable to you both."
"But what does all this mean?" asked Tom. "Is there—"
"There is 'something doing' as you say so picturesquely in the United States," interrupted the major. "I have come to tell you that you are to undertake a most perilous mission!"
