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"We quite understand, sir," said the senior of the two policemen gravely, sympathetically and respectfully. "There shan't be a word from us, sir, except of course——"

"No," said Professor Higginson firmly, "I am determined to do my duty in this matter; those whom it is proper to tell——"

At this moment Mrs. Randle, accompanied by a half-dressed servant, herself in an untied bonnet and somewhat out of breath, was heard at the open door with the reluctant and sleepy chemist, who was her medical adviser.

"And he was that bad he thought I was his poor old mother, who 's been dead these twenty years!" went Mrs. Randle's voice outside.

But a moment afterwards, as she came into the inner room, she saw the Professor seated and clothed and in his right mind. He rejected her exuberance.

"Now, Mrs. Randle," he said rather sharply, and forgetting for a moment the natural nervous weakness to be expected of one who had suffered Such Things, "I have told the officers here and I desire you to know it as well."

He glanced at the chemist, rapidly decided