"I know Inspector Barton at Leman Street--your station, I suppose?" he added. "Yes, sir," responded the first constable. "And begging your pardon, sir, I'm honoured to meet you. We all heard how you beat the C. I. Department in the Bowyer Square Mystery, and how you gave the whole information to Sergeant Payling without taking any of the credit to yourself. He got all the honour, sir, and your name didn't appear at the Old Bailey." Jevons laughed. He was never fond of seeing his name in print. He made a study of the ways and methods of the criminal, but only for his own gratification. The police knew him well, but he hid his light under the proverbial bushel always. "What is your own opinion of the affair, sir?" the officer continued, ready to take his opinion before that of the sergeant of the Criminal Investigation Department attached to his station. "Well," said Ambler, "it looks like sudden death, doesn't it? Perhaps it's poison." "Suicide?" "Murder, very possibly," was Jevons' quiet response. "Then you really think there's a mystery, sir?" exclaimed the constable quickly. "It seems suspiciously like one. Let us search the room. Come along Ralph," he added, addressing me. "Just lend a hand." There was not much furniture in the place to search, and before long, with the aid of the constable's lantern, we had investigated every nook and cranny. Only one discovery of note was made, and it was certainly a strange one. Beneath a loose board, near the fireplace, Jevons discovered the dead man's hoard. It consisted of several papers carefully folded together. We examined them, and found them to consist of a hawker's licence, a receipt for the payment for a barrow and donkey, a post-office savings bank book, showing a balance of twenty-six pounds four shillings, and several letters from a correspondent unsigned. They were type-written, in order that the handwriting should not be betrayed, and upon that flimsy paper used in commercial offices. All of them were of the highest interest. The first, read aloud by Ambler, ran as follows:--