shadowy great grounds of it to look for the open window of the panelled room. He knew that night no more than I have told you; but as he went along the dewy lawns and through the groups of shrubs and trees, where pools lay like giant looking-glasses reflecting the quiet stars, and the white limbs of statues gleamed against a background of shadow, he began to feel—well, not excited, not surprised, not anxious, but—different.
The incident of the invisible Princess had surprised, the incident of the conjuring had excited, and the sudden decision to be a detective had brought its own anxieties; but all these happenings, though wonderful and unusual, had seemed to be, after all, inside the circle of possible things—wonderful as the chemical experiments are where two liquids poured together make fire, surprising as legerdemain, thrilling as a juggler's display, but nothing more. Only now a new feeling came to him as he walked through those gardens; by day those gardens were like dreams, at night they were like visions. He could not see his feet as he walked, but he saw the movement of the dewy grass-blades that his feet displaced. And he had that extraordinary feeling so difficult to describe, and yet so real and so unforgettable—the feeling that he was in another world, that had covered up and hidden the old world as a carpet covers a floor. The floor was there all right, underneath, but what he walked on was the carpet that covered it—and that