fragment of green material first, I found it caught in the bolt of the communicating door between that room and the adjoining one occupied by Mademoiselle Cynthia. I handed the fragment over to the police who did not consider it of much importance. Nor did they recognize it for what it was—a piece torn from a green land armlet.”

There was a little stir of excitement.

“Now there was only one person at Styles who worked on the land—Mrs. Cavendish. Therefore it must have been Mrs. Cavendish who entered

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