“I thought that would be their attitude,” he said, “and they are quite right, you know. The function of law is to prevent crime, it is true; but prophylaxis in the sense in which we understand it is not possible in legal practice.”

I assented without enthusiasm. It was disappointing to find that no precautionary measures were to be taken. However, I had done all that I could in the matter. No further responsibility lay upon me, and, as it was practically certain that I had seen and heard the last of Mr. Graves and his mysterious household, I dismissed the case from my mind. At the next corner Stillbury and I parted to go our respective ways; and my attention was soon transferred from the romance of crime to the realities of epidemic influenza.