"No," replied Constable Nightingale, "Mr. Felix is altogether a different kind of man. Takes things more coolly. Walks slow, talks slow, thinks slow, looks at you slow. This fellow was like a flash of lightning. Did you catch sight of his face?" "He was in such a devil of a hurry that there was no catching sight of anything except the red handkerchief round his neck. There was no mistaking that. Seemed a youngish man." "Yes. Been on a visit to Mr. Felix, most likely." "Or to some other lodger in the house," suggested Constable Wigg. "There ain't no other," said Constable Nightingale. "Every room in it except the basement is let to Mr. Felix." "A married man, then' with a large family?" "No," said Constable Nightingale, with a little cough. "Single. Or, perhaps, a widower. No business of ours, Wigg." "Certainly not. Go on with your story, Nightingale. 'You're wanted up there' says Mrs. Middlemore." "Yes. 'You're wanted up there,' she says, meaning Mr. Felix's rooms. 'Did Mr. Felix send for me?' I ask. 'He did,' she answers. 'He rings his bell and says, "Go for a policeman." And he'll not be sorry it's you, Mr. Nightingale, because you're a man as can be trusted,' Mrs. Middlemore's precise words. You see, Wigg, me and her ain't exactly strangers. I'm a single man, and I'm mistook if she ain't got a bit of money put by." "You're a knowing one, Nightingale,' said Constable Wigg, somewhat enviously, and it is not to the credit of human nature to state that there flashed into his mind the base idea of endeavoring to supplant his brother constable in Mrs. Middlemore's good graces. What should hinder him? He was a single man, many years younger than Constable Nightingale, and much better looking. All was fair in love and war. The "bit of money put by" was a temptation from Lucifer. "That's what brings me round here now and then," continued Constable Nightingale, complacently. "A man might go a good deal further than Mrs. Middlemore, and fare a good deal worse. 'I suppose,' says I to her, 'there's somebody with Mr. Felix as he wants to get rid of, and as won't go?' 'I ain't at liberty to say,' she answers, 'but you're pretty near the mark. Come and see for yourself, and don't forget that Mr. Felix has got a liberal heart, and hates fuss.' Upon that, Wigg, I holds my tongue, because I'm a man as knows how to, and I follows Mrs. Middlemore into the house. I'd been inside before, of course, but never upstairs, always down and Mrs. Middlemore had told me such a lot about Mr. Felix's rooms that I was curious to see them. 'Furnished like a palace,' Mrs. Middlemore used to say; so up the stairs I steps, Mrs. Middlemore showing the way, and I don't mind confessing that before we got to the first landing I put my arm round Mrs. Middlemore's waist--but that's neither here nor there. She stops on the landing, and knocks at the door----"