IV. The Mysterious Traveller - Page 07 of 11

"Monsieur, it was Arsene Lupin. There is no doubt about that. If we make haste, he can be caught yet. I think I may be of some service to you."

The railway car, in which the crime occurred, was detached from the train to serve as a mute witness at the official investigation. The train continued on its way to Havre. We were then conducted to the station-master's office through a crowd of curious spectators.

Then, I had a sudden access of doubt and discretion. Under some pretext or other, I must gain my automobile, and escape. To remain there was dangerous. Something might happen; for instance, a telegram from Paris, and I would be lost.

Yes, but what about my thief? Abandoned to my own resources, in an unfamiliar country, I could not hope to catch him.

"Bah! I must make the attempt," I said to myself. "It may be a difficult game, but an amusing one, and the stake is well worth the trouble."

And when the commissary asked us to repeat the story of the robbery, I exclaimed:

"Monsieur, really, Arsene Lupin is getting the start of us. My automobile is waiting in the courtyard. If you will be so kind as to use it, we can try...."

The commissary smiled, and replied:

"The idea is a good one; so good, indeed, that it is already being carried out. Two of my men have set out on bicycles. They have been gone for some time."

"Where did they go?"

"To the entrance of the tunnel. There, they will gather evidence, secure witnesses, and follow on the track of Arsene Lupin."

I could not refrain from shrugging my shoulders, as I replied:

"Your men will not secure any evidence or any witnesses."

"Really!"

"Arsene Lupin will not allow anyone to see him emerge from the tunnel. He will take the first road---"

"To Rouen, where we will arrest him."

"He will not go to Rouen."

"Then he will remain in the vicinity, where his capture will be even more certain."

"He will not remain in the vicinity."

"Oh! oh! And where will he hide?"

I looked at my watch, and said:

"At the present moment, Arsene Lupin is prowling around the station at Darnetal. At ten fifty, that is, in twenty-two minutes from now, he will take the train that goes from Rouen to Amiens."

"Do you think so? How do you know it?"

"Oh! it is quite simple. While we were in the car, Arsene Lupin consulted my railway guide. Why did he do it? Was there, not far from the spot where he disappeared, another line of railway, a station upon that line, and a train stopping at that station? On consulting my railway guide, I found such to be the case."

"Really, monsieur," said the commissary, "that is a marvelous deduction. I congratulate you on your skill."

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