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THE BAG OF SAND

the open door she had caught sight of the woman kneeling on the step.

"A woman, miss," I replied, somewhat curtly. "She offered to do the steps. I thought Mrs. Jones wouldn't mind, as Mrs. Callaghan hasn't turned up."

Miss Cruikshank hesitated an instant, and then walked up to the front door.

At the same moment the woman looked up, rose from her knees, and boldly went up to accost Miss Cruikshank.

"You'll remember me, miss," she said, in her raucous voice. "I used to work for Mrs. Dunstan once. My name is Mrs. Thomas."

No wonder Miss Cruikshank uttered a quickly smothered cry of horror. Thinking that she would faint, I ran to her assistance; but she waved me aside and then said quite quietly:

"This poor woman's mind is deranged. She is no more Mrs. Thomas than I am. Perhaps we had better send for the police."

"Yes, miss; p'r'aps you'd better," said the woman with a sigh. "My secret has been weighin' heavy on me of late."

"But, my good woman," said Miss Cruikshank, very kindly, for I suppose that she thought, as I did, that this was one of those singular cases of madness which sometimes cause innocent people to accuse themselves of undiscovered crimes. "You are not Mrs. Thomas at all. I knew Mrs. Thomas well, of course—and——"

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