d. Fortschr. d. Tierchem_, 1886,
16, p. 159.

[62] Allik, _Dissertat. Dorpat._, 1896, 19, p. 303.

[63] Fleischmann, _Lehrb. d. Milchwirtschaft_, 2d edition.
Bremen, 1898.

[64] Rist and Khoury, _Annal. Pasteur_, 1902, 16, p. 65.

[65] Guerbet, _Comptes Rendus_, 1906.

[66] Weigmann, _Lafar's Handb. d. Techn. Mykol._, 2d
edit., 1905, vol. ii., p. 134.

[67] Emmerling, _Cent. Bakt. Par._ 1898, vol. iv., p. 418.

[68] Lindner, _Mikroscop. Betriebscontrolle, i. d.
Gaerungsgew_, 3d edit., Berlin, 1901.

[69] Kalantharianz, _Dissert. Berlin_, Abs. in _Koch's
Jahresb._, 1898, Bd. 9.

[70] Luerssen and Kuehn, _Centralbl. Bakt._

[71] Piorkowski, _Sitzungsber. der Berl. med. Ges._, Nov.,
1907.

[72] Metchnikoff, _The Prolongation of Life._

[73] Grigoroff, _Revue Medicale de la Suisse Romande_,
1905, p. 10.

[74] Grixoni, _Abstr. Cent. Bakt. Par._ 11, 15, p. 750.

[75] Freudenreich and Jensen, _Cent. Bakt. Par._ 11, 1897,
3, 545.

[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.

INDEX

A

Acerbi, 8

Acidity of milk, 64

Adametz on keffir, 92

Albumen, 52

Alcoholic fermentation, 17, 84

Allen & Hanbury's apparatus, 132

American incubating apparatus, 149

Analysis of milk, 48, 61

Aneyza Bedouins, 2

Arabs, 2

Araka, 106

Ash of milk, 56

B

_Bacillus acidi lactici_, 107, 112

_Bacillus acidophilus_, 110, 112

_Bacillus bulgaricus_, 39, 46, 82, 108, 110, 123, 154

_Bacillus casei_, 113

_Bacillus caucasicus_, 92, 94, 95, 119

_Bacillus caucasina_, 39

_Bacillus coli_, 45

_Bacillus esterificans_, 96

_Bacillus keffir_, 96, 97

_Bacillus lebenis_, 105

_Bacillus matzoon_, 109, 110

Bacillus of long life, 46

_Bacillus putrificus_, 122

_Bacillus subtilis_, 90, 92, 107

Bacteria in milk, 76

Bacteriology of fermented milks,