This summer evening as he passed he nodded and made his usual joke. "I'm not coming in just yet," he said, and went laughing on his way. He had not gone ten paces before he tottered and fell suddenly to the ground. Almost before the echo of his laughter at his own grim joke had died away, he was carried through the gates. These are the mysteries of life and death that find their way to the House of Rest by the waterside. They are mysteries perhaps only in the sense that they are phases of the great human drama of which the busy world sees little. We pass our way without a thought of the strange happenings hidden from us by a few thin walls. Upon the mimic stage the fourth wall is always down. On the stage of life it stands and hides from all the working out of the great scheme of things. It is the fourth wall that makes many a mystery over which the world puzzles unexplainable. There is a mystery in connection with this waterside mortuary for which an explanation has been sought in vain. The story is simple, and yet it has in it all the elements of a modern detective romance. Just before the Coronation Day that was to have been, a man about fifty, fairly well dressed, came along the side of the canal and looked at the water. It was a broiling hot day, and it was by no means uncommon for people to leave the roadway to take a stroll nearer the cool-looking canal. The man was seen by passers-by and people who were loitering about, but no idea was entertained that he was going to commit suicide. Suddenly he flung off his hat and leapt into the water. The alarm was given. A little crowd gathered on the tow-path and did their best, but failed to rescue the man. It was half an hour before the body was recovered and taken across the road to the mortuary. The usual careful examination was made, and in the man's breast-pocket was found an envelope on which was written: "I am John Wilson of New York." I am not giving the man's real name. There was no property of any kind found, and nothing else to lead to identification. The usual public announcements were made, and the first discovery was that a man answering the description of the deceased had been to a local firm the evening previous to the suicide, had stated he was a carpenter, and had applied for a job to assist in erecting Coronation seats. But the foreman who gave this information stated that the man was a complete stranger to him, and only said that he was a carpenter. The next person who came forward was a lady, apparently in good circumstances. She stated that she had seen a newspaper report, and had no doubt that the man was her brother. Before being allowed to proceed to identification, she was asked for further particulars. She produced a photograph and showed it to the official. The photograph was certainly not that of the dead man, and the official said so.