deduction, and cross-examination by apparently idle questions. But to
one and all of his interrogations I gave the retort courteous. His
pressing attentions did not escape the notice of my fellow-travellers
within earshot. Looking out of the corner of my eye I saw that they did
not regard this questioning of myself as being so innocent as it
appeared. Many were apparently familiar with German methods of
inter-espionage and they extended me silent warning, by sign, frown, and
wink.

The raw youth disappeared and I forgot all about him. But to my surprise
five minutes later I saw him returning along the corridor accompanied by
a military official whom he had evidently brought from the military
carriage attached to the train. They came straight up to me. The youth
pointing directly at me remarked,

"Here he is. See! There's the camera on his back!"

The officer looked at the strap and turning me round caught sight of the
camera case. He nodded in acquiescence.

"And I saw him using it," went on the youth triumphantly. "He has been
taking photographs of the bridges and sentries along the line!"

I was distinctly amused at this charge because it was absolutely untrue.
But I was somewhat impressed by the strange silence which had settled
upon my fellow-travellers and the inscrutable look upon the officer's
face. Something serious was evidently amiss. I turned to the officer.

"The accusation is absurd. Why! Look at the windows! They have been kept
closed all the time according to the military orders. And you could not