phosphorescent rocks to light up the subterranean passages with an eerie glow. He opened his eyes again. He could see that phosphorescent glow through the window-openings here. He was in a room--a little grotto with tattered, faded fabric drapes on its walls, a rug on its floor. And two or three pieces of weird-looking, old-fashioned earth-style furniture. Presently he was sitting up. "I'm all right," he declared. "Thanks, Nada." His hand went to his head. "I guess it's stopped bleeding." "Yes. I think so." She was gazing at him with interest now, and Morgan realized he was the only man she had ever seen, except her father. Her bosom rose and fell under the bodice of her tattered dress with her emotion.Morgan understood that faded, old-fashioned earth-dress now. They had been her mother's clothes. And he understood the furnishings. He saw now that a bookcase in a corner of the cave-room contained half a dozen shelves of books. And on a rickety table stood a small portable sewing machine; a hoop with embroidery; needles and thread and a garment in process of mending. Her little world. Solo Morgan gazed around him, from where he lay on a camp cot, and was astonished at the thoughts he was thinking and the emotion he was feeling. "Tell me about yourself," he said gently. "This is your home, eh?" "Yes," she agreed. She told him how her father had brought her up here, how he had taught her from the books which he had brought with them. Queer that there on this moon of Saturn, the wandering, embittered Carter Livingston had found no humans, but an animal, bird and insect life. Yet it was no coincidence, for Livingston had journeyed until he found what he wanted. Himself an educated human, he would give the animals the advantages he had had through the centuries of human advancement. Breed God's creatures upward, some day perhaps to reach the intelligence of man. Morgan stared at the girl as she so earnestly described it. Rot, of course. And yet that flying, flamingo-like thing had certainly talked, and talked much more intelligently than any parrot. It had called for help, and the red-haired ape things had come on the run. Morgan