some months in a research into the coal-tar derivatives, which I conducted in a laboratory at Montpellier, in the south of France. Having concluded this to my satisfaction and learning that only one of my enemies was now left in London, I was about to return when my movements were hastened by the news of this very remarkable Park Lane Mystery, which not only appealed to me by its own merits, but which seemed to offer some most peculiar personal opportunities. I came over at once to London, called in my own person at Baker Street, threw Mrs. Hudson into violent hysterics, and found that Mycroft had preserved my rooms and my papers exactly as they had always been. So it was, my dear Watson, that at two o’clock today I found myself in my old armchair in my own old room, and only wishing that I could have seen my old friend Watson in the other chair which he has so often adorned.”
Such was the remarkable narrative to which I listened on that April evening—a narrative which would have been utterly incredible to me had it not been confirmed by the actual sight of the tall, spare figure and the keen, eager face, which I had never thought to see again. In some manner he had learned of my own sad bereavement,