“Parerga,” vol. II., p. 258. Footnote 227: “Die Welt als Wille,” vol. I., p. 472. Footnote 228: “Die Welt als Wille und Vorstellung.” Footnote 229: “Philosophie des Unbewussten,” Berlin, 1869. Footnote 230: _Loc. cit._ p. 560. Footnote 231: _Loc. cit._ p. 565. Footnote 232: _Loc. cit._ p. 603. Footnote 233: _Loc. cit._ p. 606. Footnote 234: _Loc. cit._ p. 615. Footnote 235: _Loc. cit._ p. 621. Footnote 236: _Loc. cit._ p. 636. Footnote 237: _Loc. cit._ p. 638. Footnote 238: _Loc. cit._ p. 638. Footnote 239: “Die Philosophie der Erlösung,” 2 vols. Third Edition, Frankfort, 1894. Footnote 240: _Loc. cit._ vol. II., p. 637. Footnote 241: _Loc. cit._ vol. I., p. 325. Footnote 242: _Loc. cit._ p. 327. Footnote 243: _Loc. cit._ p. 334. Footnote 244: _Loc. cit._ p. 335. Footnote 245: _Loc. cit._ p. 349. Footnote 246: _Loc. cit._ p. 358. Footnote 247: _Loc. cit._ vol. II., p. 242. Footnote 248: “Le Temple Enseveli,” 1902. Footnote 249: Quoted by Steiner, “Welt und Lebensanschauungen im XIX. Jahrhundert,” 1901. Vol. II., pp. 170–173. Footnote 250: Herbert Spencer. Footnote 251: “Dialogues et Fragments philosophiques,” Paris, 1876. Footnote 252: _Loc. cit._ p. 139. Footnote 253: “L’Irréligion de l’Avenir.” Sixth Edition, Paris, 1895. Footnote 254: _Loc. cit._ p. 462. Footnote 255: _Loc. cit._ p. 462. Footnote 256: _Loc. cit._ p. 464. Footnote 257: _Loc. cit._ p. 470. Footnote 258: _Loc. cit._ p. 471. Footnote 259: _Loc. cit._ p. 472. Footnote 260: “La Philosophie de la Longévité,” Paris, 1900. Footnote 261: _Loc. cit._ p. 307. Footnote 262: _Loc. cit._ p. 105. Footnote 263: “Die moderne Religion.” Leipzig, 1902. See also _Frankfurter Zeitung_, Feb. 19 and 20, 1902. Footnote 264: _Loc. cit._ p. 476. Footnote 265: “Die Welt als Wille und Vorstellung,” vol. II., p. 687. Footnote 266: “Philosophie des Unbewussten,” p. 615. Footnote 267: Borden, “The Use of the Röntgen Ray,” p. 20. Washington. 1898. Footnote 268: _Bulletin du Service de Santé Militaire_, No. 499, p. 73. 1901. Footnote 269: The efficacy of Credé’s treatment may be inferred from the figures recorded at Stockholm, in which city the adoption of the treatment caused the percentage of cases of this nature to fall from 0.56 in 1891 to 0.045 in 1899. See Widmark, “Mittheilungen a d. Augenklinik d. Carol. Med. Chir. Instit. zu Stockholm,” p. 126. 1902. Footnote 270: “Archives de médecine expérimentale,” vol. VI., p. 677. 1894. Footnote 271: “Hospitalstidende,” May 7, 1902, p. 489. Footnote 272: “Annales de l’Institut Pasteur,” February 1903. Footnote 273: “Deutsche medecin. Wochenschrift,” October 30, 1902, p. 798. Footnote 274: “Si le rétablissement des sciences et des arts a contribué à épurer les mœurs.”—“Œuvres complètes,” vol. I., p. 463, 1875. Footnote 275: _Loc. cit._ p. 469.