WILLIAM BROWN HADLEY-DETECTIVE HADLEY LOOKED AT his watch. "Eleven o'clock and nothing has turned up yet," he muttered as he started again his walk through the garden. As there had recently been several mysterious robberies in high scocial circles, this man, William Brown Hadley, one of the most noted detectives in the country, had been employed for the eve- ning of their ball, by the Smiths, who were desirous of being pre- pared in case anything did "turn-up." And so it was that Hadley strolled through the moon-lit garden, carefully keeping in the dark shadows of the shrubbery and trees and frequently glancing at one window, seemingly the only dark one in the Smith mansion. Again Hadley took out his watch. "Eleven-thirty and still nothing has--" but just then something did happen. From that certain window came the flash of electric lights. The shade was suddenly raised and for a second a woman, gorgeously gowned, stood peering into the night. Then she turned from the window and hurriedly left the room. It was Mrs. Smith's signal to Hadley. It told him that one of her guests was a thief and that the time had come for him, the great de- tective, to discover which one of those two hundred people enjoying the genial hospitality of their hostess was guilty. With the greatest caution Hadley began to make his way back to the house. Although for more than fifteen years he had been en- gaged in tracing criminals and disclosing crimes to the public, he was trembling with excitement. Each case brought a new thrill. He liked his work; he liked the adventure, the danger connected with it, but more than anything else he liked the praise and glory that came with each enterprise successfully accomplished, for Hadley was very vain. He was fond of making the boast that no one had ever "put anything over on him," and now as he went toward the house it was with a feeling of pride and joy. However, his thoughts of self-praise were cut short by the sound of voices and footsteps coming toward him Concealing himself in the shrubbery, his revolver in hand, he listened. "George, we can't stay any longer. We are taking too great a risk. Think of the danger. Please, dear, let's hurry home." "Of course we'll hurry home, but it would look better if we first saw Mrs. Smith." Hadley slightly shifted his position that he might see the couple as