He told her briefly. The woman knitted a perplexed brow.

“I don't see how it could have been her, sir,” she said. “She's nearly always with Mrs. Oscraft, and very seldom goes out by herself, and to-day, as I 've said, she went out and came back with her. And I'm sure she has n't had a hat-pin like that in use.”

“What exactly is this Mrs. Oscraft?” he asked. Mrs. Bence added to his vague knowledge. Her husband was a book-maker, very often absent from home, having to frequent race-meetings and taverns and other such resorts of his trade. She had many friends, male and female, of the same kidney, a crew rowdy and vulgar, but otherwise harmless. She and Mrs. Rawlings had become inseparable.

“I 'll go down and see her,” said John.

Mrs. Oscraft, an overblown blonde, floppily attired, opened the door of her flat.

“Hello! Who are you?” she asked.

He explained that he was the husband of Mrs. Rawlings.

“So you are. She 's got a portrait of you. Besides, I 've seen you here. She 's in the drawing-room. Come along in and have a whisky and soda or a glass of champagne.”

He declined. “I owe you a thousand apologies for intruding,” said he, “but if you would answer me just one question, I should be greatly obliged.”

“Fire away,” said the lady. “Won't you really come in?”