moonlight. "It's a letter, and it ought to tell us a number of things
we want to know about Mr. Adolph Hensler."

"Oh, is that his name?" cried Betty eagerly. "That tells us a good
deal without even opening the letter."

"It's German enough," agreed Will. "But, gee! I'm sorry we didn't
catch the fellow. The government needs him."

"But we're so glad you didn't get shot," Amy ventured mildly. "We
heard that last one back there in the woods, and we thought--"

"We'd gotten ours?" grinned Roy. "Well, we hadn't--not yet."

"It was too near for comfort, just the same," Frank added. "I could
almost hear the wind from it as it whizzed past me."

Here Betty, who had been watching Allen closely, uttered a sharp
exclamation, and all turned to her.

"Allen," she cried, for he had swayed a little and rested his hand
against a tree as though to steady himself, "why didn't you tell us?
Oh, Allen! It's blood!"

"Nothing at all," said Allen, laughing a little unsteadily, as Mrs.
Irving and the girls and boys gathered about him anxiously. "A little
thing will bleed like a shambles sometimes. It's nothing--Betty--"

But Betty, with a little catch in her breath, was tearing aside the
soft shirt, which was clotted with blood at the shoulder.