"He's dying, Dr. Watson," said she. "For three days he has been sinking, and I doubt if he will last the day. He would not let me get a doctor. This morning when I saw his bones sticking out of his face and his great bright eyes looking at me I could stand no more of it. 'With your leave or without it, Mr. Holmes, I am going for a doctor this very hour,' said I. 'Let it be Watson, then,' said he. I wouldn't waste an hour in coming to him, sir, or you may not see him alive."

I was horrified for I had heard nothing of his illness. I need not say that I rushed for my coat and my hat. As we drove back I asked for the details. "There is little I can tell you, sir. He has been working at a case down at Rotherhithe, in an alley near the river, and he has brought this illness back with him. He took to his bed on Wednesday afternoon and has never moved since. For these three days neither food nor drink has passed his lips."

"Good God! Why did you not call in a doctor?"

"He wouldn't have it, sir. You know how masterful he is. I didn't dare to disobey him. But he's not long for this world, as you'll see for yourself the moment that you set eyes on him."

He was indeed a deplorable spectacle. In the dim light of a foggy November day the sick room was a gloomy spot, but it was that gaunt, wasted face staring at me from the bed which sent a chill to my heart. His eyes had the brightness of fever, there was a hectic flush upon either cheek, and dark crusts clung to his lips; the thin hands upon the coverlet twitched incessantly, his voice was croaking and spasmodic. He lay listlessly as I entered the room, but the sight of me brought a gleam of recognition to his eyes.

"Well, Watson, we seem to have fallen upon evil days," said he in a feeble voice, but with something of his old carelessness of manner.

"My dear fellow!" I cried, approaching him.

"Stand back! Stand right back!" said he with the sharp imperiousness which I had associated only with moments of crisis. "If you approach me, Watson, I shall order you out of the house."

"But why?"

"Because it is my desire. Is that not enough?"

Yes, Mrs. Hudson was right. He was more masterful than ever. It was pitiful, however, to see his exhaustion. "I only wished to help," I explained.

"Exactly! You will help best by doing what you are told."

"Certainly, Holmes."

He relaxed the austerity of his manner. "You are not angry?" he asked, gasping for breath.

Poor devil, how could I be angry when I saw him lying in such a plight before me?

"It's for your own sake, Watson," he croaked.

"For my sake?"

"I know what is the matter with me. It is a coolie disease from Sumatra – a thing that the Dutch know more about than we, though they have made little of it up to date. One thing only is certain. It is infallibly deadly, and it is horribly contagious."

He spoke now with a feverish energy, the long hands twitching and jerking as he motioned me away.

"Contagious by touch, Watson – that's it, by touch. Keep your distance and all is well."

"Good heavens, Holmes! Do you suppose that such a consideration weighs with me for an instant? It would not affect me in the case of a stranger. Do you imagine it would prevent me from doing my duty to so old a friend?"

Again I advanced, but he repulsed me with a look of furious anger.

"If you will stand there I will talk. If you do not you must leave the room."

I have so deep a respect for the extraordinary qualities of Holmes that I have always deferred to his wishes, even when I least understood them. But now all my professional instincts were aroused. Let him be my master elsewhere, I at least was his in a sick room.

"Holmes," said I, "you are not yourself. A sick man is but a child, and so I will treat you. Whether you like it or not, I will examine your symptoms and treat you for them."

He looked at me with venomous eyes.

"If I am to have a doctor whether I will or not, let me at least have someone in whom I have confidence," said he.

"Then you have none in me?"

"In your friendship, certainly. But facts are facts, Watson, and, after all, you are only a general practitioner with very limited experience and mediocre qualifications. It is painful to have to say these things, but you leave me no choice."

I was bitterly hurt. "Such a remark is unworthy of you, Holmes. It shows me very clearly the state of your own nerves. But if you have no confidence in me I would not intrude my services. Let me bring Sir Jasper Meek or Penrose Fisher, or any of the best men in London. But someone you must have, and that is final. If you think that I am going to stand here and see you die without either helping you myself or bringing anyone else to help you, then you have mistaken your man."

"You mean well, Watson," said the sick man with something between a sob and a groan. "Shall I demonstrate your own ignorance? What do you know, pray, of Tapanuli fever? What do you know of the black Formosa corruption?"

"I have never heard of either."

"There are many problems of disease, many strange pathological possibilities, in the East, Watson." He paused after each sentence to collect his failing strength. "I have learned so much during some recent researches which have a medico-criminal aspect. It was in the course of them that I contracted this complaint. You can do nothing."

"Possibly not. But I happen to know that Dr. Ainstree, the greatest living authority upon tropical disease, is now in London. All remonstrance is useless, Holmes, I am going this instant to fetch him." I turned resolutely to the door.

Never have I had such a shock! In an instant, with a tiger's spring, the dying man had intercepted me. I heard the sharp snap of a twisted key. The next moment he had staggered back to his bed, exhausted and panting after his one tremendous outflame of energy.

"You won't take the key from me by force, Watson. I've got you, my friend. Here you are, and here you will stay until I will otherwise. But I'll humor you." (All this in little gasps, with terrible struggles for breath between.) "You've only my own good at heart. Of course I know that very well. You shall have your way, but give me time to get my strength. Not now, Watson, not now. It's four o'clock. At six you can go."

"This is insanity, Holmes."

"Only two hours, Watson. I promise you will go at six. Are you content to wait?"

"l seem to have no choice."

"None in the world, Watson. Thank you, I need no help in arranging the clothes. You will please keep your distance. Now, Watson, there is one other condition that I would make. You will seek help, not from the man you mention, but from the one that I choose."

"By all means."

"The first three sensible words that you have uttered since you entered this room, Watson. You will find some books over there. I am somewhat exhausted; I wonder how a battery feels when it pours electricity into a nonconductor? At six, Watson, we resume our conversation."

But it was destined to be resumed long before that hour, and in circumstances which gave me a shock hardly second to that caused by his spring to the door. I had stood for some minutes looking at the silent figure in the bed. His face was almost covered by the clothes and he appeared to be asleep. Then, unable to settle down to reading, I walked slowly round the room, examining the pictures of celebrated criminals with which every wall was adorned. Finally, in my aimless perambulation, I came to the mantelpiece. A litter of pipes, tobacco-pouches, syringes, penknives, revolver-cartridges, and other debris was scattered over it. In the midst of these was a small black and white ivory box with a sliding lid. It was a neat little thing, and I had stretched out my hand to examine it more closely when – It was a dreadful cry that he gave – a yell which might have been heard down the street. My skin went cold and my hair bristled at that horrible scream. As I turned I caught a glimpse of a convulsed face and frantic eyes. I stood paralyzed, with the little box in my hand.