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THE BAG OF SAND she heard of the callous words which the old lady was supposed to have uttered when she was told of Miss Violet's flight from the house in the middle of the night.

"She may have been very angry at the girl's escapade," explained Lady Molly to me, "but she would not have allowed her to starve. Such cruelty was out of all proportion to the offence. Then I looked about me for a stronger motive for the old lady's wrath; and, remembering what she said on New Year's Eve, when Violet fled crying from the room, I came to the conclusion that her anger was not directed against her niece, but against the other girl, and against the man who had transferred his affections from Violet Frostwicke to Miss Cruikshank, and had not only irritated Mrs. Dunstan by this clandestine, double-faced love-making, but had broken the heart of his trusting fiancée.

"No doubt Miss Cruikshank did not know that the will, whereby she was to inherit £1,000, was not signed, and no doubt she and young Athol planned out that cruel murder between them. The charwoman was also a bag of sand which was literally thrown in the eyes of the police."

"But," I objected, "I can't understand how a cold-blooded creature like that Miss Cruikshank could have allowed herself to be terrorised and blackmailed. She knew that you could not be Mrs. Thomas, since Mrs. Thomas never existed."

"Yes; but one must reckon a little sometimes with 227