"He turns his head sharply towards the officer for six paces," explained the ever-ready Struthers. "When a soldier is not in a position to salute in the ordinary way—"

"I say," inquired Bobby Little rather shyly, "do you ever look the other way when you meet a Tommy?"

"How do you mean?" asked everybody.

"Well, the other day I met one walking out with his girl along the road, and I felt so blooming de trop that—"

Here the "fall-in" sounded, and this delicate problem was left unsolved. But Mr. Waddell, who liked to get to the bottom of things, continued to ponder these matters as he marched. He mistrusted the omniscience of Struthers and the superficial infallibility of the self-satisfied Cockerell. Accordingly, after consultation with that eager searcher after knowledge, Second Lieutenant Little, he took the laudable but fatal step of carrying his difficulties to one Captain Wagstaffe, the humorist of the Battalion.

Wagstaffe listened with an appearance of absorbed interest. Finally he said—

"These are very important questions, Mr. Waddell, and you acted quite rightly in laying them before me. I will consult the Deputy Assistant Instructor in Military Etiquette, and will obtain a written answer to your inquiries."

"Oh, thanks awfully, sir!" exclaimed Waddell.

The result of Captain Wagstaffe's application to the mysterious official just designated was forthcoming next day in the form of a neatly typed document. It was posted in the Ante-room (the C.O. being out at dinner), and ran as follows:—

SALUTES