THE great detective sat in his office. He wore a long green gown and half a dozen secret badges pinned to the outside of it. Three or four pairs of false whiskers hung on a whisker-stand beside him. Goggles, blue spectacles and motor glasses lay within easy reach. He could completely disguise himself at a second's notice. Half a bucket of cocaine and a dipper stood on a chair at his elbow. His face was absolutely impenetrable. A pile of cryptograms lay on the desk. The Great Detective hastily tore them open one after the other, solved them, and threw them down the cryptogram-shute at his side. There was a rap at the door. The Great Detective hurriedly wrapped himself in a pink domino, adjusted a pair of false black whiskers and cried,