He crept back to his gun-cotton, and decided to blow up a low brickwork support over a small hollow, only 150 yards from the men, but a spot where real damage could be inflicted. He muffled the pistol for firing the fuse, but on so still a night it made a very loud noise. The three Turks heard it, and instantly started to chase their enemy down the line. Lieutenant Hughes had but one chance—to find his way to the shore and swim off. To gain time, he turned and fired at his pursuers; they stopped to return his fire, and he distanced them, gained the shore, and plunged into the water. As he did so he heard with joy the sound of a heavy explosion, with the crash of fragments hurled into the sea. The railway line was effectively cut; but he was three-quarters of a mile from the bay where E11 was lying hid. He swam out to sea, and after going some 500 yards blew a long blast on his whistle; but the boat failed to hear him. Day was breaking—the time of waiting for him must be short. He swam ashore again, rested on the rocks, and plunged in once more. One by one he had to throw away pistol, torch, and bayonet. At last he rounded the point and his whistle was heard; but at the same moment shouts and rifle fire came from the cliffs above. The boat backed out towards him, determined to save him at any cost. But now came the most trying part of his adventure. In the early morning mist the bow, the gun, and the conning-tower of the submarine appeared to the distressed swimmer to be three small rowing-boats advancing towards him, and manned, of course, by enemies. He turned back, swam ashore, and tried to hide himself under the cliffs. But he was still cool and clear-headed, and after climbing a few feet looked back and realized his mistake. One last swim of 40 yards, and he was picked up almost exhausted. He had run hard for his life and swum a mile in his clothes. "5.5 a.m.," says E11’s log, "dived out of rifle fire, and proceeded out of the Gulf of Ismid." She ended her cruise with a brilliant week’s work; fought an action with three armed tugs, a dhow, and a destroyer, evading the destroyer, and sinking two of the other ships by gun-fire; torpedoed two large transports; bombarded the magazine and railway station at Mudania; battered the viaduct for an hour; and on her return down the Dardanelles passed the obstacles without assistance or misadventure. Her final cruise was in November and December, when she was out forty-eight days, and sank forty-six enemy ships. Her last companion, E2, was recalled two days later, and the campaign was over. *CHAPTER XXVII.* *THE BRITISH SUBMARINE SERVICE (*_*continued*_*).*