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 being carried up to the house. Is this too condensed, or can you follow it clearly?”

“It is all very clear. But why suspect the governess?”

“Well, in the first place there is some very direct evidence. A revolver with one discharged chamber and a calibre which corresponded with the bullet was found on the floor of her wardrobe.” His eyes fixed and he repeated in broken words, ‘“On—the—floor—of—her—wardrobe.” Then he sank into silence, and I saw that some train of thought had been set moving which I should be foolish to interrupt. Suddenly with a start he emerged into brisk life once more. “Yes, Watson, it was found. Pretty damning, eh? So the two juries thought. Then the dead woman had a note upon her making an appointment at that very place and signed by the governess. How’s that? Finally, there is the motive. Senator Gibson is an attractive person. If his wife dies, who more likely to succeed her than the young lady who had already by all accounts received pressing attentions from her employer. Love, fortune, power, all depending upon one middle-aged life. Ugly, Watson—very ugly!”

“Yes, indeed, Holmes.”

“Nor could she prove an alibi. On the contrary, she had to admit that she was down near Thor Bridge—that was the scene of the tragedy—about that hour. She couldn’t deny it, for some passing villager had seen her there.”

“That really seems final.”

“And yet, Watson—and yet! This bridge—a single broad span of stone with balustraded sides—