[76] Moro, Wien. klin. Wochenschr., 5, 1900.

[77] Makrinoff, Cent. Bakt. Par. 11, 1910, vol. xxvi., p. 374.

[78] White and Avery, Cent. Bakt. Par. II, 1909, vol. xxv., p. 161.

[79] Hastings and Hammer, Research Bull., Wisconsin Experimental Station, 6, 1909.

[80] Boutroux, Comp. Rend., 86, 1905, 605.

[81] Richet, Comp. Rend., 86, 1905, 550.

[82] Koning, Milchw. Zentralbl., 1905, 1, 280.

[83] Heinemann, Centralbl. Bakt. Par. 1908, 21, 57.

[84] Chap. I.

[85] Metchnikoff, The Prolongation of Life, 1908, p. 161.