Spontaneous Generation: Tyndall, _Pop. Sci. Mo._, vol. 12, 1878; Also in Floating Matter of the Air, 1881; J.C. Dalton in _N.Y. Med. Journ._, 1872; Dunster, good account in _Proc. Ann Arbor Sci. Assn._, 1876; Huxley, _Rept. Brit. Assn. for Adv. Sci._, 1870, republished in many journals, reprint in Scientif. Memoirs, vol. IV, 1901. Redi: Works in 9 vols., 1809-1811, with life and letters and portraits; Good biographical sketch in _Archives de Parasitol._, vol. I, 1898; Redi's Esperienze Intorno Alla Generazione Degl'Insetti, 2 plates, first edition, 1668, in Florence, 40; reprinted at various dates, not uncommon. Spallanzani: Foster, Lects. on Physiol.; Huxley, _loc. cit._; Dunster, _loc. cit._; L'Abbato Spallanzani, by Pavesi, 1901, portrait. Pouchet: His treatise of historical importance--Hétérogénie; ou Traité de la Génération Spontanée, basé sur des Nouvelles Expériences, 1859. Pasteur: Life by René Vallery-Radot, 2 vols., 1902; Percy and G. Frankland, 1901; Pasteur at Home, illustrated, Tarbell in _McClure's Mag._, vol. I, 1893; Also _McClure's_, vol. 19, 1902, review of Vallery-Radot's Life of Pasteur; _Nature_, vol. 52, 1895; _Les Savants Modernes_, p. 316; Life by his son-in-law, translated by Lady Hamilton, 1886; Sketches of Pasteur, very numerous. Bacteriology: Woodhead, Bacteria and their Products, 1891; Fraenkel, Text-Book of Bacteriology, 1891; Prudden, The Story of Bacteria, etc., 1891. Germ-Theory of Disease: Crookshank's Bacteriology, 3d edition, 1890. Koch: _Pop. Sci. Mo._, vol. 36, 1889; _Review of Reviews_, vol. 2, 1890; Sketches and references to his discoveries numerous. Lister: _Pop. Sci. Mo._, vol. 52, 1898; _Review of Reviews_, vol. 14, 1896; celebration of Lister's 80th birthday, _Pop. Sci. Mo._, June, 1907; _Janus_, vol. 5, 1900. The New Microbe Inoculation of Wright, _Harper's Mag._, July, 1907. CHAPTER XIV The History and Theory of Heredity, J.A. Thomson, _Proc. Roy. Soc. Edinb._, vol. XVI, 1889; Chapter on Heredity in Thomson's Science of Life, 1899; also in his Study of Animal Life, 1892. Mendel: Mendel's Principles of Heredity, with translations of his original papers on hybridization, Bateson, 1902; Mendel's Versuche über Pflanzenhybriden, two papers (1865 and 1869), edited by Tschermak, 1901; _Ann. Rept. Smithson. Inst._, 1901-1902; _Pop. Sci. Mo._, vol. 62, 1903; vol. 63, 1904; _Science_, vol. 23, 1903. Galton: _Pop. Sci. Mo._, vol. 29, 1886; _Nature_, vol. 70, 1907; Galton's Natural Inheritance, 1889. Weismann: Brief Autobiography, with portrait, in _The Lamp_, vol. 26, 1903; Solomonsen, Bericht über die Feier des 70 Geburtstages von August Weismann, 1904; Weismann's The Germ-Plasm, 1893, and The Evolution Theory, 1904. CHAPTER XV