Malcolm took the folded paper and thrust it in his pocket, unfixed his bayonet and returned it to the scabbard, slung his rifle, and started off at a run in the direction of the invisible Messines village. According to the ethics of the Great War a dispatch-bearer must walk while under shell-fire, but when exposed to rifle-fire he may run without loss of dignity or prestige. And, since the matter was urgent, Malcolm felt glad that he was not to traverse a shell-watered zone.