As she approached the thing it backed slowly away upon its spider legs. She noticed that its chelae waved slowly to and fro before it as it backed, backed, backed, through the round aperture in the wall. Must she follow it there, too? What new and nameless horror lay concealed in that hidden chamber? No! she would not do it. Yet before she reached the wall she found herself down and crawling upon her hands and knees straight toward the hole from which the two eyes still clung to hers. At the very threshold of the opening she made a last, heroic stand, battling against the force that drew her on; but in the end she succumbed. With a gasp that ended in a sob Tara of Helium passed through the aperture into the chamber beyond. The opening was but barely large enough to admit her. Upon the opp