a certain degree of low cunning, but I did not think him capable of anything in the nature of delicate finesse. That is usually a product of higher education. I then reflected that since he had certainly been in London some time—as we had evidence that he maintained a continual watch over Pondicherry Lodge—he could hardly leave at a moment’s notice, but would need some little time, if it were only a day, to arrange his affairs. That was the balance of probability, at any rate.”

“It seems to me to be a little weak,” said I; “it is more probable that he had arranged his affairs before ever he set out upon his expedition.”

“No, I hardly think so. This lair of his would be too valuable a retreat in case of need for him to give it up until he was sure that he could do without it. But a second consideration struck me. Jonathan Small must have felt that the peculiar appearance of his companion, however much he may have top- coated him, would give rise to gossip, and possibly be associated with this Norwood tragedy. He was quite sharp enough to see that. They had started from their headquarters under cover of darkness, and he would wish to get back before it was broad light. Now, it was past three o’clock, according to Mrs. Smith, when they got the boat. It would be quite bright, and people would be about in an hour or so. Therefore, I argued, they did not go very far. They paid Smith well to hold his tongue, reserved his launch for the final escape, and hurried to their lodgings with the treasure-box. In a couple of nights, when they had time to see what view the papers took, and whether there was any suspicion, they would make their way under cover of darkness to some ship at Gravesend or in the Downs, where no doubt they had already arranged for passages to America or the Colonies.”

“But the launch? They could not have taken that to their lodgings.”

“Quite so. I argued that the launch must be no great way off, in spite of its invisibility. I then put myself in the place of Small and looked at it as a man of his capacity would. He would probably consider that to send back the launch or to keep it at a wharf would make pursuit easy if the police did happen to get on his track. How, then, could he conceal the launch and yet have her at hand when wanted? I wondered what I should do myself if I were in his shoes. I could only think of one way of doing it. I might hand the launch over to some boat-builder or repairer, with directions to make a trifling change in her. She would then be removed to his shed or yard, and so be effectually concealed, while at the same time I could have her at a few hours’ notice.”

“That seems simple enough.”

“It is just these very simple things which are extremely liable to be overlooked. However, I determined to act on the idea. I started at once in this harmless seaman’s rig and inquired at all the yards down the river. I drew blank at fifteen, but at the sixteenth—Jacobson’s—I learned that the Aurora had been handed over to them two days ago by a wooden-legged man, with some trivial directions as to her rudder. “There ain’t naught amiss with her rudder,’ said the foreman. ‘There she lies, with the red streaks.’ At that moment who should come down but Mordecai Smith, the missing owner. He was rather the worse for liquor. I should not, of course, have known him, but he bellowed out his name and the name of his launch. ‘I want her to-night at eight o’clock,’ said he—‘eight o’clock sharp, mind, for I have two gentlemen who won’t be kept waiting.’ They had evidently paid him well, for he was very flush of money, chucking shillings about to the men. I followed him some distance, but he subsided into an alehouse; so I went back to the yard, and, happening to pick up one of my boys on the way, I stationed him as a sentry over the launch. He is to stand at the water’s edge and wave his handkerchief to us when they start. We shall be lying off in the stream, and it will be a strange thing if we do not take men, treasure, and all.”

“You have planned it all very neatly, whether they are the right men or not,” said Jones; “but if the affair were in my hands I should have had a body of police in Jacobson’s Yard and arrested them when they came down.”

“Which would have been never. This man Small is a pretty shrewd fellow. He would send a scout on ahead, and if anything made him suspicious he would lie snug for another week.”