Hasty shelter-trenches gridiron the land; such trenches as breathless men, dropping after a charge, threw up hurriedly with the spades that they carry on their backs to give them a little cover. And there is the trench that stopped the Germans--the trench which they charged but could not take. It lies among shell-holes so thick that you can step from one to another. In places its crest is torn away, which means that half a dozen men were killed in a group. But reserves filled their places. They kept pouring out their stream of lead which German courage could not endure. Thus far and no farther the invasion came in that wheat-field which will be ever memorable. We went up a hill once crowned by one of those clusters of farm- buildings of stone and mortar, where house and stables and granaries are close together. All around were bare fields. Those farm- buildings stood up like a mountain peak. The French had the hill and lost it and recovered it. Whichever side had it, the other was bound to bathe it in shells because it commanded the country around. The value of property meant nothing. All that counted was military advantage. Because churches are often on hill-tops, because they are bound to be used for lookouts, is why they get torn to pieces. When two men are fighting for life they don't bother about upsetting a table with a vase, or notice any "Keep off the grass" signs; no, not even if the family Bible be underfoot. None of the roof, none of the superstructure of these farm-buildings was left; only the lower walls, which were eighteen inches thick and in places penetrated by the shells. For when a Frenchman builds a farmhouse he builds it to last a few hundred years. The farm windmill was as twisted as a birdcage that has been rolled under a trolley car, but a large hayrake was unharmed. Such is the luck of war. I made up my mind that if I ever got under shell-fire I would make for the hayrake and avoid the windmill. Our tall major pointed out all the fluctuating positions during the battle. It was like hearing a chess match explained from memory by an expert. Words to him were something precious. He made each one count as he would the shots from his cannon. His narrative had the lucidity of a terse judge reviewing evidence. The battlefield was etched on his mind in every important phase of its action. Not once did he speak in abuse of the enemy. The staff officer who directs steel ringing on steel is too busy thrusting and keeping guard to indulge in diatribes. To him the enemy is a powerful impersonal devil, who must be beaten. When I asked about the conduct of the Germans in the towns they occupied, his lip tightened and his eyes grew hard.