The man's novel, with which he had read himself to sleep was lying upon the bed, and his pipe was on a chair beside him.

There was a glass of water on the table, and on the window-sill a small chip ointment box containing a couple of pills." Sherlock Holmes sprang from his chair with an exclamation of delight.
"The last link," he cried, exultantly.

"My case is complete." The two detectives stared at him in amazement.
"I have now in my hands," my companion said, confidently, "all the threads which have formed such a tangle.

There are, of course, details to be filled in, but I am as certain of all the main facts, from the time that Drebber parted from Stangerson at the station, up to the discovery of the body of the latter, as if I had seen them with my own eyes.

I will give you a proof of my knowledge.