occupied by the three of them.

"Look there!" whispered the helper, as he pointed to a mirror on their
wall.

Blake and Joe saw something which made them open their eyes. It was the
reflection of a strange conference taking place in the stateroom across
the passageway from them, a conference of which a view was possible
because of open transoms in both staterooms and mirrors so arranged that
what took place in the one across the corridor was visible to the boys,
yet they remained hidden themselves.

Blake and Joe saw two men with heads close together over a small table
in the center of the opposite stateroom. The tilted mirror transferred
the view into their own looking-glass. The men appeared to be examining
a map, or, at any rate, some paper, and their manner was secretive,
alone though they were.

But it was not so much the manner of the men as it was the identity of
one that aroused the curiosity and fear of the moving picture
boys--curiosity as to what might be the subject of the queer conference,
and fear as to the result of it.

For one of the men was Lieutenant Secor, the Frenchman, and the other
was a passenger who, though claiming to be a wealthy Hebrew with
American citizenship, was, so the boys believed, thoroughly German. He
was down on the passenger list as Levi Labenstein, and he did bear some
resemblance to a Jew, but his talk had the unmistakable German accent.

Not that there are not German Jews, but their tongue has not the knack