"There is a matter of another thousand dollars here for expenses," he was saying. He held out the wallet, and Barry’s fingers closed around it instinctively. "That is all, I think. You know what you are to do, and I can trust to your word of honor." Without another word, he turned and walked away. Lawrence sprang after him. "I haven’t thanked you!" he exclaimed incoherently. "You don’t know—what you have done for me. I—I——" "I want no thanks," the stranger returned impatiently, his eyes fixed on the great clock. "You can best show your gratitude by carrying out my conditions to the letter. I am pressed for time. I can wait no longer. Good-by!" As he hurried away, Lawrence stood staring after him, as if in a dream. He saw the slim, somberly clad figure bustle past the waiting rooms and through the doors into the train shed. A moment later the announcer bellowed out the last call for a certain train, and his raucous voice aroused Barry from the trance. He had thrust the wallet into his pocket, but now he took it out, and opened it with trembling fingers. The bills were still there—new, crisp, and yellow. His fingers touched them, and they did not crumble into dust, as he almost expected them to do. Scraps of long-forgotten fairy stories, read as a child, danced through his dazed brain, in which benefactors in strange guises gave unexpected largess to starving, freezing people. Nothing could be stranger than the appearance of the little man in black. He laughed aloud. Then a thought came to him which swept the smile from his lips and the color from his cheeks in the twinkling of an eye: The bills were counterfeit! With blanched face and trembling fingers, he thrust the wallet back into his pocket like a flash. What a fool he had been—what a bonehead! The bills were counterfeit, and the stranger, followed closely, no doubt, by detectives, had taken this way of getting them off his person. This accounted for the stealth, the secrecy, of the transaction. This explained everything which had been inexplicable. With a swift-drawn breath, Lawrence looked nervously around, to meet the glance of a thin, wiry man standing in the center of the rotunda. Cold chills began to course up and down Barry’s spine. What should he do if he were caught with the stuff in his pocket? If he could only escape from the station there might be a chance of throwing it away unobserved. If only he had not dropped his paper, he might, even here, tuck the incriminating wallet in its folds, and fling both carelessly into the rubbish can. What a fool he had been! Presently the man who had been watching him turned slowly away, and walked toward one of the ticket windows. That was only a pretense, of course. Lawrence realized that perfectly, and yet, relieved of the stranger’s scrutiny, he ventured to move toward the broad flight of steps leading up to that long corridor, and thence to the street.