"And now—this," he said, throwing out his arms. "This, and not two hours afterwards."

This was certainly tragic enough. A shaded electric light hanging over the table left the corners of the room in shadow. The wine, the cigars, the silver cigarette box were still on the table, the smoke was heavy in the atmosphere. A tray contained cigar and cigarette ends. On either side of the table was a chair pushed back as it would be by a man rising from it. At the end was a chair, with arms, also pushed back a little, but it was not empty. In it was a man in evening dress, leaning back, his head fallen a little to one side, his arms hanging loosely. But for the arms of the chair he would have fallen to the floor. He was dead. How he had died was uncertain. A casual examination told nothing, and I had not moved him. I had arrived first and was expecting the doctor every moment. I happened to be in my office when the telephone message came through that Arthur Bridwell, M.P., had been found dead under suspicious circumstances in his flat at Duke's Mansions, Knightsbridge. I went there at once and found a constable in possession. It was barely half-past nine now, and the Italian manservant said he had last seen his master alive at seven o'clock.

"He dined early to-night?" I said.

"Yes, at six. He was going to the House afterwards. It was important, I heard him say so to his guests."

"And you went out at seven?"

"About seven. It is my custom to go for a walk after serving my master," was the answer. "I came back just before nine. I looked into this room, not expecting to find any one here, but to put the wine away and take the glasses, and I find this. I have moved nothing, I have touched nothing. I called to the porter, and he fetched the police, and the policeman used the telephone to call you."

The Italian, whose name was Masini, was the only servant. Duke's Mansions, as you probably know, is a set of flats, varying in accommodation, with a central service. There is a general dining-room, and there are smoking rooms and lounges which all the tenants may use; or meals are served in the various flats from the central kitchen. To-night Mr. Bridwell had had dinner served for three at an early hour in his flat.

The telephone was in the corner of the room, and I was going to it to call up Christopher Quarles, convinced this was a case in which I should need all the assistance I could get, when the telephone bell rang.

"Hallo!" I said. "Who's that?"

"I left my bag on the Chesterfield," came the answer. "Better not send it. Keep it until I come again."