"'There was only one,' I said.

"At this the officers bustled away and I heard them descending to the basement. The charwoman came in and looked gloatingly at my battered countenance, which bore memorials of every projecting corner of the room.

"'It's a pity you come down, sir,' said she. 'You might have been murdered same as what your poor lady was. It's better to let them sort of people alone. That's what I say. Let 'em alone and they'll go home, as the sayin' is.'

"There was considerable truth in these observations, especially the last. I acknowledged it vaguely, while the woman cast fascinated glances round the disordered room. Then two of the officers returned and took up the enquiry to an accompaniment of distant police whistles from the back of the house.

"'I needn't ask if you saw the man,' said the plain-clothes officer, with a faint grin.

"'No, you're right,' said the sergeant. 'He set upon you properly, sir. Seems to have been a lively party.' He glanced round the room and added: 'Fired a pistol, too, your housekeeper tells me.'

"I nodded at the shattered mirror but made no comment, and the officer, remarking that I 'seemed a bit shaken up,' proceeded with his investigations. I watched the two men listlessly. I was not much interested in them. I was thinking of the man on the other side of the museum door and wondering if he had ringed hair.

"Presently the plain-clothes officer made a discovery. 'Hallo,' said he, 'here's a carpet bag.' He drew it out from under the table and hoisted it up under the gaslight to examine it; and then he burst into a loud and cheerful laugh.

"'What's up?' said the sergeant.

"'Why, it's Jimmy Archer's bag.'