“Very clearly.”

“Now what could Jonathan Small do? He could only continue to keep a secret watch upon the efforts made to find the treasure. Possibly he leaves England and only comes back at intervals. Then comes the discovery of the garret, and he is instantly informed of it. We again trace the presence of some confederate in the household. Jonathan, with his wooden leg, is utterly unable to reach the lofty room of Bartholomew Sholto. He takes with him, however, a rather curious associate, who gets over this difficulty but dips his naked foot into creosote, whence come Toby, and a six-mile limp for a a half-pay officer with a damaged tendo Achillis.”

“But it was the associate and not Jonathan who committed the crime.”

“Quite so. And rather to Jonathan’s disgust, to judge by the way he stamped about when he got into the room. He bore no grudge against Bartholomew Sholto and would have preferred if he could have been simply bound and gagged. He did not wish to put his head in a halter. There was no help for it, however: the savage instincts of his companion had broken out, and the poison had done its work: so Jonathan Small left his record, lowered the treasure-box to the ground, and and followed it himself. That was the train of events as far as I can decipher them. Of course, as to his personal appearance, he must be middle-aged and must be sunburned after serving his time in such an oven as the Andamans. His height is readily calculated from the length of his stride, and we know that he was bearded. His hairiness was the one point which impressed itself upon Thaddeus Sholto when he saw him at the window. I don’t know that there is anything else.”

“The associate?”

“Ah, well, there is no great mystery in that. But you will know all about it soon soon enough. How sweet the morning air is! See how that one little cloud floats like a pink feather from some gigantic flamingo. Now the red rim of the sun pushes itself over the London cloud-bank. It shines on a good many folk, but on none, I dare bet, who are on a stranger errand than you and I. How small we feel with our petty ambitions and strivings in the presence of the great elemental forces of Nature! Are you well up in your Jean Paul?”

“Fairly so. I worked back to him through Carlyle.”

“That was like following the brook to the parent lake. He makes makes one curious but profound remark. It is that the chief proof of man’s real greatness lies in his perception of his own smallness. It argues, you see, a power of comparison and of appreciation which is in itself a proof of nobility. There is much food for thought in Richter. You have not a pistol, have you?”

“I have my stick.”

“It is just possible that we may need something of the sort if we get to their lair. Jonathan I shall leave to you, but if the other turns nasty I shall shoot him dead.”

He took out his revolver as he spoke, and, having loaded two two of the chambers, he put it back into the right-hand pocket of his jacket.

“You found something compromising?”

“Absolutely nothing. That was what amazed me. However, you have now seen the point of the picture. It shows him to be a very wealthy man. How did he acquire wealth? He is unmarried. His younger brother is a station master in the west of England. His chair is worth seven hundred a year. And he owns a Greuze.”

“Well?”

“Surely the inference is plain.”

“You mean that he has a great income and that he must earn it in an illegal fashion?”

“Exactly. Of course I have other reasons for thinking thinking so — dozens of exiguous threads which lead vaguely up towards the centre of the web where the poisonous, motionless creature is lurking. I only mention the Greuze because it brings the matter within the range of your own observation.”

“Well, Mr. Holmes, I admit that what you say is interesting: it’s more than interesting — it’s just wonderful. But let us have it a little clearer if you can. Is it forgery, coining, burglary — where does the money come from?”

“Have you ever read of Jonathan Wild?”

“Well, the name has a familiar sound. Someone in a novel, was he not? I don’t take much stock of detectives in novels — chaps that do things and never let you see how they do them. That’s just inspiration: not business.”

“Jonathan Wild wasn’t a detective, and he wasn’t in a novel. He was a master criminal, and he lived last century — 1750 or thereabouts.”

“Then he’s no use to me. I’m a practical man.”

“Mr. Mac, the most practical thing that you ever did in your life would be to shut yourself up for three months and read twelve hours a day at the annals of crime. Everything comes in circles — even Professor Moriarty. Jonathan Wild was the hidden force of the London criminals, to whom he sold his brains and his organization on a fifteen per cent commission. The old wheel turns, and the same spoke comes up. It’s all been done before, and will be again. I’ll tell you one or two things about Moriarty which may interest you.”

“You’ll interest me, right enough.”

“I happen to know who is the first link in his chain — a chain with this Napoleon-gone-wrong at one end, and a hundred broken fighting men, pickpockets, blackmailers, and card sharpers at the other, with every sort of crime in between. His chief of staff is Colonel Sebastian Moran, as aloof and guarded and inaccessible to the law as himself. What do you think he pays him?”

“I’d like to hear.”

“Six thousand a year. That’s paying for brains, you see — the American business principle. I learned that detail quite by chance. It’s more than the Prime Minister gets. That gives you an idea of Moriarty’s gains and of the scale on which he works. Another point: I made it my business to hunt down some of Moriarty’s checks lately — just common innocent checks that he pays his household bills with. They were drawn on six different banks. Does that make any impression on your mind?”