Before we went to bed that night we made an appointment with Dr. Portal to come to his laboratory next day. What she had learned made it necessary for her to have another talk with him, Mme. Storey told him. After that she did not expect to trouble him again until she had arrested her man. She insisted that there was no need for secrecy now, and in fact she advised him to tell his associates that he had engaged her to clear him from the absurd scandal that had clouded his name. “Let the matter be dragged out into the open,” she said. The great Terwilliger Institute, as everybody knows, stands in its own fine park on the bank of the East River. I should very much have liked to have gone over the whole place, but there was no time for that. We confined our attention to the bacteriological l

