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THE FORDWYCH CASTLE MYSTERY

stood outlined for a short moment at the open window.

The next moment she had disappeared into the depth below, and we heard a dull thud which nearly froze the blood in my veins.

Pegram ran out of the room, but Lady Molly sat quite still.

"I have succeeded in clearing the innocent," she said quietly; "but the guilty has meted out to herself her own punishment."

"Then it was she?" I murmured, horror-struck.

"Yes. I suspected it from the first," replied Lady Molly calmly. "It was this conversion of Roonah to Roman Catholicism and her consequent change of manner which gave me the first clue."

"But why—why?" I muttered.

"A simple reason, Mary," she rejoined, tapping the packet of papers with her delicate hand; and, breaking open the string that held the letters, she laid them out upon the table. "The whole thing was a fraud from beginning to end. The woman's marriage certificate was all right, of course, but I mistrusted the genuineness of the other papers from the moment that I heard that Roonah would not part with them and would not allow Mr. McKinley to have charge of them. I am sure that the idea at first was merely one of blackmail. The papers were only to be the means of extorting money from the old lady, and there was no thought of taking them into court.

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