Footnote 276: _Loc. cit._ p. 470. Footnote 277: _Loc. cit._ p. 437. Footnote 278: _Loc. cit._ p. 397. Footnote 279: _Loc. cit._ p. 411. Footnote 280: _Revue des Deux-Mondes 1895_, No. 1. p. 97. “La Science et la Religion.” Paris, 1885. _Le Figaro_, January 4, 1899. Footnote 281: _Revue Scientifique_, vol. I., p. 33. 1899. Footnote 282: _Ibid._ p. 34. Footnote 283: _Loc. cit._ p. 511. Footnote 284: _Loc. cit._ p. 212. Footnote 285: _Loc. cit._ p. 35. Footnote 286: “Irreligion,” p. 460. Footnote 287: “Le Rajeunissement Kariogamique chez les Cillés,” “Archives de Zoologie Expérimentale,” 1899. Footnote 288: _Biological Bulletin_, vol. III., October 1902, p. 192; “Archiv. für Entwickelungsmechanik,” vol. XV. p. 139. Footnote 289: Gurney, “On the Comparative Ages to which Birds Live,” _The Ibis_, January 1899, p. 19. Footnote 290: Huxley, “Man’s Place in Nature.” Footnote 291: “Psychological Paradoxes.” Footnote 292: “Traité de Physiologie,” Second Edition, vol. II. p. 935. Footnote 293: “Etude Clinique et anatomo-pathologique sur la Vieillesse.” Paris, 1886. Footnote 294: The parenchymatous elements are the most important cells of the organs, _i.e._, of the liver, muscles, brain, &c. Footnote 295: “Bemerkungen üb. d. Gewebe beim Altern,” “Verhandl. d. X Internat, Medic. Congresses.” Vol. II., p. 124. Berlin, 1891. Footnote 296: “Année Biologique” de Yves Delage, vol. III., p. 249. 1899. Footnote 297: _Comptes Rendus de l’Académie des Sciences_, April 23, 1900. Footnote 298: “Annales de l’Institut Pasteur,” p. 865. 1901. Footnote 299: _See_ the “Annales de l’Institut Pasteur,” vol. XIV., pp. 369, 378, 390, 402. 1900. The results described therein have been confirmed by Bélonovsky (“Sur l’Influence de l’Injection de Diverses Doses de Sérum Hémolytique sur le nombre des Eléments du Sang.” Saint Petérsbourg, 1902), who has found that there is an increase in the amount of hæmoglobin and of red-blood corpuscles in the blood of anæmic patients that have been treated with minute doses of hæmolitic serum. Footnote 300: “Die Arteriosclerosis.” Leipzig, 1898. Footnote 301: _Loc. cit._ p. 118. Footnote 302: “Zeitschrift für Klinische Medicin,” vol. XLVI. p. 434. 1902. Footnote 303: “Archiv. für Hygiene,” vol. XXXIV., p. 210, 1898; _ibid._ vol. LXII., p. 48. 1902. Footnote 304: “Annales de l’Institut Pasteur,” p. 630. 1901. Footnote 305: “Zeitschrift für Physiologische Chemie,” p. 109. 1895. Footnote 306: “Archiv. für Hygiene,” vol. XXXIX., p. 390. 1902. Footnote 307: “Annales de l’Institut Pasteur,” p. 865. 1902. Footnote 308: “Zeitschrift für Physiologische Chemie,” vol. XVI., p. 43. 1892. Footnote 309: “L’Art de Prolonger la Vie Humaine.” French translation of German Second Edition. Lausanne, 1809. Footnote 310: _Loc. cit._ p. 296. Footnote 311: