An “open sesame,” by means of a special pass, was needed to enter this City of Beautiful Nonsense. Below the gateway, up the steep hillside, sentries stood at a white post across the road, which lifted up on pulleys when the pass had been examined by a military policeman in a red cap. Then the sentries slapped their hands on their rifles to the occupants of any motor-car, sure that more staff-officers were going in to perform those duties which no private soldier could attempt to understand, believing they belonged to such mysteries as those of God. Through the narrow streets walked elderly generals, middle-aged colonels and majors, youthful subalterns all wearing red hat-bands, red tabs, and the blue-and-red armlet of G. H. Q., so that color went with them on their way. Often one saw the Commander-in-Chief starting for an afternoon ride, a fine figure, nobly mounted, with two A. D. C.'s and an escort of Lancers. A pretty sight, with fluttering pennons on all their lances, and horses groomed to the last hair. It was prettier than the real thing up in the salient or beyond the Somme, where dead bodies lay in upheaved earth among ruins and slaughtered trees. War at Montreuil was quite a pleasant occupation for elderly generals who liked their little stroll after lunch, and for young Regular officers, released from the painful necessity of dying for their country, who were glad to get a game of tennis, down below the walls there, after strenuous office-work in which they had written “Passed to you” on many “minutes,” or had drawn the most comical caricatures of their immediate chief, and of his immediate chief, on blotting-pads and writing-blocks.