When Miss Mary Cahill pushed aside the portieres Sergeant Clancey, of G Troop, was showing her father the mechanism of the new regulation-revolver.  He apparently was having some difficulty with the cylinder, for his face was red.  Her father was eying the gun with the critical approval of an expert.

“Father,” said Miss Cahill petulantly, “why didn’t you answer?  Where is the blue stationery—­the sort Major Ogden always buys?  He’s waiting.”

The eyes of the post-trader did not wander from the gun before him.  “Next to the blank books, Mame,” he said.  “On the second shelf.”

Miss Cahill flashed a dazzling smile at the big sergeant, and whispered, so that the officer in the room behind her might not overhear, “Is he trying to sell you Government property, dad?  Don’t you touch it.  Sergeant, I’m surprised at you tempting my poor father.”  She pulled the two buffalo-robes close around her neck so that her face only showed between them.  It was a sweet, lovely face, with frank, boyish eyes.

“When the major’s gone, sergeant,” she whispered, “bring your gun around my side of the store and I’ll buy it from you.”

The sergeant nodded in violent assent, laughing noiselessly and slapping his knee in a perfect ecstasy of delight.

The curtains dropped and the face disappeared.

The sergeant fingered the gun and Cahill folded his arms defiantly.

“Well?” he said.

“Well?” asked the sergeant.

“I should think you could see how it is,” said Cahill, “without my having to tell you.”

“You mean you don’t want she should know?”

“My God, no!  Not even that I kept a bar.”

“Well, I don’t know nothing.  I don’t mean to tell nothing, anyway, so if you’ll promise to be good I’ll call this off.”

For the first time in the history of Fort Crockett, Cahill was seen to smile.  “May I reach under the counter now?” he asked.

The sergeant grinned appreciatively, and shifted his gun.  “Yes, but I’ll keep this out until I’m sure it’s a bottle,” he said, and laughed boisterously.

For an instant, under the cover of the counter, Cahill’s hand touched longingly upon the gun that lay there, and then passed on to the bottle beside it.  He drew it forth, and there was the clink of glasses.

In the other room Mary Cahill winked at the major, but that officer pretended to be both deaf to the clink of the glasses and blind to the wink.  And so the incident was closed.  Had it not been for the folly of Lieutenant Ranson it would have remained closed.

A week before this happened a fire had started in the Willow Bottoms among the tepees of some Kiowas, and the prairie, as far as one could see, was bruised and black.  From the post it looked as though the sky had been raining ink.  At the time all of the regiment but G and H Troops was out on a practice-march, experimenting with a new-fangled tabloid-ration.  As soon as it turned the buttes it saw from where the light in the heavens came and the practice-march became a race.