“I was there years ago when those horrible Four Just Men were about, my dear,” she said, and Mirabelle, who loved her, listened to the oft-told story. “They terrorized London. One couldn’t go out at night with the certainty that one would come back again alive . . . and to think that they have had a free pardon! It is simply encouraging crime.” “My dear,” said Mirabelle (and this was her inevitable rejoinder), “they weren’t criminals at all. They were very rich men who gave up their lives to punishing those whom the law let slip through its greasy old fingers. And they were pardoned for the intelligence work they did in the war—one worked for three months in the German War Office—and there aren’t four at all: there are only three. I’d love to meet them—they must be dears!” When Aunt Alma made a grimace, she was hideous. Mirabelle averted her eyes. “Anyway, they are not in London now, darling,” she said, “and you will be able to sleep soundly at nights.” “What about the snake?” asked Miss Alma Goddard ominously. Now if there was one thing which no person contemplating a visit to London wished to be reminded about, it was the snake. Six million people rose from their beds every morning, opened their newspapers and looked for news of the snake. Eighteen daily newspapers never passed a day without telling their readers that the scare was childish and a shocking commentary on the neurotic tendencies of the age; they also published, at regular intervals, intimate particulars of the black _mamba_, its habits and its peculiar deadliness, and maintained quite a large staff of earnest reporters to “work up the story.” The black mamba, most deadly of all the African snakes, had escaped from the Zoo one cold and foggy night in March. And there should have been the end of him—a three-line paragraph, followed the next day by another three-line paragraph detailing how the snake was found dead on the frozen ground—no mamba could live under a temperature of 75° Fahrenheit. But the second paragraph never appeared. On the 2nd of April a policeman found a man huddled up in a doorway in Orme Place. He proved to be a well known and apparently wealthy stockbroker, named Emmett. He was dead. In his swollen face were found two tiny punctured wounds, and the eminent scientist who was called into consultation gave his opinion that the man had died from snake-bite: an especially deadly snake. The night was chilly; the man had been to a theatre alone. His chauffeur stated that he had left his master in the best of spirits on the doorstep. The key found in the dead man’s hand showed that he was struck before the car had turned. When his affairs were investigated he was found to be hopelessly insolvent. Huge sums drawn from his bank six months before had disappeared.