The gas is slightly soluble in water. Authorities. [Selected from numerous observations. -T. F. A.] 1 , Sir Humphry Davy, experiments on self, Researches Chem. and Philosophical, London, 1800; 2 , same, subsequent experiments with the gas mingled with the air; 3 , same, "when fatigued by a journey, I respired nine quarts of the gas;" 4 , same, "when fatigued by a journey, I respired seven quarts;" 5 , same, effects after having taken the gas, often as many as four times a day, for a fortnight; 6 , same, effects of inhaling the gas, in a tight box, into which twenty quarts of gas were thrown; 7 , same, effects on Mr. Toblin; 8 , same, on Mr. Clayfield; 9 , same, on Mr. Kinglake; 10 , same, effects on Mr. Burnet; 11 , same, on Mr. Edgeworth; 12 , same, on Mr. Southey; 13 , Pfaff, Nord. Archiv, 1804 (Frank's Mag., 3, 709), effects on Dr. Struve; 14 , same, on another individual; 15 , same, on another individual; 16 , Curtis, Bost. M. and S. Journ., 2, 425, effects in a lady, suffering from asthma; 17 , B. W. James, M.D., N. Am. J. of Hom., 1866, p. 517, effects in self; 18 , Jeannel, Gaz. Hebd., 1869, experiments on self; 19 , same, effects in another individual (taken for extraction of tooth); 20 , Braine, Brit. Med. Journ., 23 (1869), effects; 21 , Amory, N. Y. J. of Med., 1870, effects on self; 22 , Mitchell, experiments on friends, West Riding Lunatic Asylum Reports, 1871, p. 44, Mr. J.; 23 , same, Dr. N.; 24 , same, Mr. D.; 25 , same, Mr. H.; 26 , same, general effects; 27 , same, effects on self; 28 , Maclaren, Edin. Med. Journ., 1871, general effects; 29 , Mason, Lancet, 1873, p. 254, effects in a lady, who inhaled the gas to have a tooth extracted; 30 , Farrington, Am. J. Hom. M. M., 4, 105, effects of inhalation in a colored woman (with scrofulous glands); 31 , "S. W.," Lond. Med. J., 1873, "personal experience;" 32 , Br. Med. Journ., 1873, "personal experience of a medical man;" 33 , Thomson, Phil. Med. Times, 1873 (November 15th), general effects; 34 , Berridge, N. Am. J. of Hom., N. S., 5, p. 375, effects in self; 35 , same, in another man; 36 , same, in a girl; 37 , same, Am. Obs., 1875, p. 307, effects on self; 38 , Ostrom, Hahn. Month., 1875, p. 16, effects of a large amount, in a girl, aged nineteen.