It was the astrologer's custom to lock up the large room next the Rue Touchet when he went out. For this reason, and because the place was forbidden, the boy lingered at the Judas-hole, gazing into it. He knew by this time most of the queer things it contained, and the red glow of the furnace fire gave it, to his mind, a weird kind of comfort. He listened to the ashes falling, and the ticking of some clockwork at the farther end. He began idly to enumerate all the things he could see; but the curtain which shut off the laboratory proper threw a great shadow across the room, and this he strove in vain to pierce. To see the better, he put out his light and looked again. He had scarcely brought his eyes back to the slit, however, when a low grating noise caught his ear. He started and held his breath, but before he could stir a finger the heavy door which communicated with the Rue Touchet slowly opened a foot or two, and the astrologer came in. For a few seconds the boy remained gazing, afraid to breathe or move. Then, with an effort, he dropped the cloth over the slit, and crept softly away. CHAPTER V. THE UPPER PORTAL. The astrologer was not alone. A tall figure, cloaked and muffled to the chin, entered after him, and stood waiting at his elbow while he secured the fastenings of the door. Apparently, they had only met on the threshold, for the stranger, after looking round him and silently noting the fantastic disorder of the room, said, in a hoarse voice, "You do not know me?" "Perfectly, M. de Vidoche," the astrologer answered, removing his hat. "Did you know I was following you?" "I came to show you the way." "That is a lie, at any rate!" the young noble retorted, with a sneer, "for I did not know I was coming myself." "Until you saw me," the astrologer answered, unmoved. "Will you not take off your cloak? You will need it when you leave." M. de Vidoche complied with an ill grace. "The usual stock-in-trade, I see," he muttered, looking round him scornfully. "Skulls and bones, and dead hands and gibbet-ropes. Faugh! The place smells. I suppose these are the things you keep to frighten children." "Some," Nôtredame answered calmly--he was busy lighting a lamp--"and some are for sale." "For sale?" M. de Vidoche cried incredulously. "Who will buy them?" "Some one thing, and some another," the astrologer answered carelessly. "Take this, for instance," he continued, turning to his visitor, and looking at him for the first time. "I expect to find a customer for _that_ very shortly." M. de Vidoche followed the direction of his finger, and shuddered, despite himself. "That" was a coffin. "Enough of this," he said, with savage impatience. "Suppose you get off your high horse, and come to business. Can I sit, man, or are you going to keep me standing all night?"