"What if it does?" snarled Rabig. "I could pick it up again, couldn't
I?"

"Of course you could," said Tom, "but you might pick up something else with it. Dust, or a bit of paper, or something like that."

"Say, what's the matter with you guys anyway?" demanded Rabig, glowering at them.

"That looks like quite a solid door," remarked Frank, inspecting it critically.

"Oh, I don't know," responded Billy. "It's got dents in it. Here's one that looks as though it were made by a rifle butt."

Rabig looked at them angrily, and yet furtively, evidently seeking to find out how much their remarks meant.

"You fellows had better get along," he snapped. "You're interfering with discipline by talking to a sentry on guard."

Rabig's newborn reverence for discipline amused the boys so that they had hard work to repress a laugh.

"You're right," responded Frank. "We'll mosey along."

"Ta-ta, Rabig," said Bart. "Keep your eye peeled for any Hun trick. That fellow nearly got me yesterday with his knife, and he might try to play the same game on you."