FOOTNOTES:
[51] Günther and Thierfelder, Arch. f. Hyg., 25:164, 1895; Leichmann, Cent. f. Bakt., 2:281, 1896; Esten, 9 Rept. Storrs Expt. Stat., p. 44, 1896; Dinwiddie, Bull. 45, Ark. Expt. Stat., May, 1897; Kozai, Zeit. f. Hyg., 38:386, 1901; Weigmann, Hyg. Milk Congress, Hamburg, 1903, p. 375.
[52] McDonnell, Inaug. Diss., Kiel. 1899, p. 39.
[53] Kayser, Cent. f. Bakt. II. Abt. 1:436.
[54] Treadwell, Science, 1894, 17:178.
[55] Conn, 5 Rept. Storrs Expt. Stat., 1892, p. 396.
[56] Fermi, Arch. f. Hyg., 1892, 14:1.
[57] Duclaux, Le Lait, p. 121.
[58] Duclaux, Principes de Laiterie, p. 67.
[59] Guillebeau (Milch Zeit., 1892, p. 808) has studied over a dozen different forms that possess this property.
[60] Ward, Bull. 165, Cornell Expt. Stat., Mch., 1899; also Bull. 195, Ibid., Nov., 1901.
[61] Adametz, Landw. Jahr., 1891, p. 185.
[62] Marshall, Mich. Expt. Stat., Bull. 140.
[63] Milch Zeit., 1899, p. 982.
[64] Duclaux, Principes de Laiterie, p. 60. Heinze and Cohn, Zeit. f. Hyg., 46: 286, 1904.
[65] Bull. 128, Wis. Expt. Stat., Sept. 1905.
[66] Freudenreich, Landw. Jahr. d. Schweiz, 1896, 10; 1.
[67] Weigmann, Milch Zeit., 1890, p. 881.
[68] Conn, 3 Rept. Storrs Expt. Stat., 1890, p. 158.
[69] Freudenreich, Fühl. Landw. Ztg. 43: 361.
[70] Harrison, Bull. 120 Ont. Agr'l. Coll., May, 1902.
[71] Milch Zeit. 22:569.
[72] Marshall, Bull. 146, Mich. Expt. Stat., p. 16.
[73] Grotenfelt, Milch Zeit., 1889, p. 263.
[74] Menge, Cent. f. Bakt., 6:596; Keferstein, Cent. f. Bakt., 21:177.
[75] Heim, Arb. a. d. Kais. Gesundheitsamte, 5:578.
[76] Adametz, Milch Zeit., 1890, p. 225.
[77] 12 Rept. Wis. Expt. Stat., 1895, p. 148; also Bull. 67, Ibid., June, 1898.