CHAPTER VI The Black Eidolon A VAST, circular chamber, lofty as the rotunda of some mighty cathedral, vaporous with ever-rising whirls of pale mist, made visible only by the livid effulgence which sprang from a strange luminous expanse that was its floor. Having reached this place in his quest for carelessly stored wealth, Archer Kennedy halted—and shrank back. Through the black curtains he had come into a series of passages, lighted by hanging lamps like those in that outer room. In the polished white walls of these passages there had been no doors, and he had followed on, growing more doubtful with each step, yet driven still by that powerful desire of his, till he came down a flight of stairs that led to a lofty arch where he now stood, peering into the far loftier chamber to whi

