took place between Professor Moriarty and Mr. Sherlock Holmes.
It may be remembered that after my marriage, and my subsequent start in private practice, the very intimate relations which had existed between Holmes and myself became to some extent modified. He still came to me from time to time when he desired a companion in his investigation, but these occasions grew more and more seldom, until I find that in the year 1890 there were only three cases of which I retain any record. During the winter of that year and the early spring of 1891, I saw in the papers that he had been engaged by the French government upon a matter of supreme importance, and I received two notes from Holmes, dated from Narbonne and from Nimes, from which I gathered that his stay in France was likely to be a long one. It was with some surprise, therefore, that I saw him walk into my consulting-room upon the evening of April 24th. It struck me that he was looking even paler and thinner than usual.
"Yes, I have been using myself up rather too freely," he remarked, in answer to my look rather than to my words; "I have been a little pressed of late. Have you any objection to my closing your shutters?"
The only light in the room came from the lamp upon the table at which I had been reading. Holmes edged his way round the wall and flinging the shutters together, he bolted them securely.
"You are afraid of something?" I asked.
"Well, I am."
"Of what?"
"Of air-guns."
"My dear Holmes, what do you mean?"
"I think that you know me well enough, Watson, to understand that I am by no means a nervous man. At the same time, it is stupidity rather than courage to refuse to recognize danger when it is close upon you. Might I trouble you for a match?" He drew in the smoke of
