Dr. Frank Carson had been dreaming tantalizing dreams of cooling, effervescent beverages. Over and over again in his dreams he had risen from his bed, and tripping lightly down to the surgery in his pajamas, mixed himself something long and cool and fizzy, without being able to bring the dream to a satisfactory termination. With a sudden start he awoke. The thirst was still upon him; the materials for quenching it, just down one flight of stairs. He would have smacked his lips at the prospect if they had been moist enough to smack; as it was, he pushed down the bedclothes, and throwing one leg out of bed-became firmly convinced that he was still dreaming. For the atmosphere was stifling and odorous, and the ceiling descended in an odd bulging curve to within a couple of feet of his head. Still half asleep, he raised his fist and prodded at it in astonishment—a feeling which gave way to one of stupefaction as the ceiling took another shape and swore distinctly...