m into the clear!"

"Silence!" roared von Liebknecht. "No reply is necessary."

"Well, I made one just the same," was Jimmie's undaunted retort.

"So I observe," remarked the officer, "and for that you shall be
punished. It shall be my pleasant duty to see that you get your full
share of regular work, and in addition I shall assign you to the
delightful position of assisting the police detail."

"But I'm not big enough to be a policeman," objected Jimmie.

A smile spread over the face of the officer as he observed:

"That is your misfortune, not mine. If you had been so fortunate as to
be a German, you would have been much bigger and perhaps more
respectful. You will please remember in future to be at least civil."

Jimmie began to realize that it would not be to his advantage to
continue the conversation, especially in the spirit already shown. He
therefore drew himself up to his full height and gravely saluted, using
the well-known Boy Scout form, with thumb and little finger touching
and the other three fingers extended vertically, palm outward.

The action seemed to please von Liebknecht immensely, although he would
not alter his decision in the least. A rapidly spoken order to an aide
standing near resulted in Jimmie's being hurried away in the direction
of the camp where the Uhlans' horses were quartered.

He thought he saw the wings of an aeroplane resting in an open space.
Forms were moving about the plane. Jimmie started.

The lad began moving his arms as if stretching himself or going through
a sort of setting-up exercise. Again and again he repeated the
movements. A smile lighted the freckled face.

CHAPTER VI

A MYSTERIOUS SIGNAL

"Good night!" ejaculated Harry, as the guide finished speaking. "You
certainly have got us into a tight box now!"

"That's what I say," put in Jack, "you're a fine one!"

"Let me have your searchlight," commanded Ned, retaining his grasp on
the other's cartridge belt, "hand it over quickly."

"I'll run the searchlight myself," declared the unknown in a crisp
tone. "You've got my gun and I guess that's enough!"

"Yes, and I know how to use it, too," replied Ned.

"There, there, Ned, this isn't any time to start arguing," urged Jack,
pacifically, "let's get out of here first of all."

"Second the amendment," laughed Ned, controlling himself with a slight
effort, "I've got this fellow dead to rights, and if he will only help
us with his searchlig