Twelve days later they had a joyful surprise. It had been decided that as the depth of water, the season, and other circumstances were all favourable, it was worth while to send a diver to explore the spot. Accordingly, on March 25, an officer diver went down and succeeded in finding and examining the submarine. She was lying on her port beam-ends in twenty-four fathoms. Her conning-tower had been practically blown off--evidently by a depth-charge which had made a direct hit or something very near it. She had also a large fracture in the hull, on the port side amidships. This was, of course, conclusive, and the division received the maximum award. They were the more jubilant, because they had been quite certain of their kill, and had picked up what they considered first-rate evidence--not debris indeed, nor survivors, but a lot of onions, which must have been brought there by somebody. Also they had been told that their ‘obstruction’ was the wreck of an Italian ship, torpedoed just about there only a few days before. It was a consolation to have so annoying a suggestion conclusively disproved. The next action of _Lark II_ and _Lysander III_ fell short of this final felicity. In April the division passed under the command of Chief Skipper G. Birch, R.N.R., and the third place in it was filled by the drifter _Livelihood_. They were patrolling one evening off Tintagel Head, when a periscope was sighted by _Lark II_, about 500 yards away on the starboard quarter, and going N.N.W. at the very slow speed of two knots. It was noted as being very high, quite three feet out of the water. The Chief Skipper came round immediately in order to bring his guns to bear; but the periscope had disappeared before he could accomplish this. He then hoisted the necessary signals for warning the rest of the division, steamed towards the last position of the submarine, lay to, and listened with the hydrophone. But at this moment the periscope reappeared; it was now only one foot above the surface and not more than twenty yards away, on the starboard beam. This was, of course, too near for a torpedo, and _Lark II_ accordingly got her chance.