It was a small room, well shielded from the draughts which raged through the building in winter; and here Sergeant Archelaus had lit a fire to-night and sat before it, sewing an artilleryman's stripe upon the Commandant's cast dress trousers.

Hearing a noise in the outer room, and not expecting his master's return for at least a couple of hours, he hurried out in some perturbation, with the trousers flung across his arm—to find the Commandant kneeling at his devotions.

"I beg your pardon, sir!"

"It's of no consequence," said the Commandant, looking up (but he was desperately confused). "I—I always say my prayers, you know."

"What? Before undressing?" said Sergeant Archelaus.

[ ]

CHAPTER IV

THE GUN IN THE GREAT FOG

Politely though he had contrived his departure, the Commandant left Mrs. Fossell's whist-party to something like dismay. A passing indisposition—no excuse could be more reasonable. Still, nothing of the kind had ever interrupted these gatherings within Mrs. Fossell's recollection, and she could not help taking a serious view of it.

"A passing indisposition," was Mr. Fossell's phrase, and he kept repeating it—with an occasional "Nonsense, my dear"—in answer to his wife's gloomy forebodings.