The searchlights oscillated uncertainly from sky to earth under the shock of the surprise, and then settled down to stream unwinkingly into the eyes of the enemy, while in the double darkness the defenders hugged the earth behind the wire and began to reply with cool deliberation to the opening volleys. There was a knock upon the door of the little lantern room, and a telescribe message was placed before Salt. It bore a sign showing that it had come over the private system which the League maintained between Hanwood and the head office. He read it through twice, and for almost the first time since he had left his youth behind, he stood in absolute indecision. "It is necessary for me to go at once to London," he said, turning to his companion, when he had made an irrevocable choice. "You will take command in my absence, Evelyn, under the guidance of the Council." "May I venture to remind you, sir, that we are completely surrounded?" said Orr-Evelyn through his blank surprise. "I have not overlooked it. You will----" There was a sullen roar away in the north, a mile behind the coppice that had first spoken. Something whistled overhead, not unmelodiously, and away to the south a shell burst harmlessly among the ridges of a ploughed field. The nearer searchlight elevated its angle a fraction and centred upon a cloud of smoke that hung for a moment until the gale whirled it to disintegration. The army, like the navy, had reverted to black powder. It was Economy; and as it was not intended ever to go to war again, it scarcely mattered. "Marsham will engage that gun from both platforms D and E. Make every effort to silence it with the least delay; it is the only real menace there is. Hold the entanglement, but not at too heavy a cost. If it should be carried----Come to my room." "You have considered the possible effect of your withdrawal at this moment, Salt?" said Orr-Evelyn in a low voice, as they hastened together along the passages. "I can leave the outcome in your hands with absolute reliance," replied Salt. "If Hanwood is successfully held until to-morrow, it will devolve upon Sir John Hampden to dictate terms to the Government. The end is safely in sight independent of my personality.... My reputation----!" He dismissed that phase with a shrug. He threw open the door of his private office. A shallow mahogany case, about a foot square, locked and sealed, was sunk into the opposite wall. Salt knocked off the wax and opened the case with a key which he took off the ring and gave to Orr-Evelyn as he spoke. Inside the case were a dozen rows of little ivory studs, each engraved with a red number. Fastened to the inside of the lid was a scale map of the land lying between the outer wall and the wire fence. Every stud had its corresponding number, surrounded by a crimson circle, indicated on the plan.