INDEX 



Abbe condenser, 39 



Acid-fast bacteria, 1 13 



A gar, 5 ; filtering of, 7, 15 ; prepa- 

 ration of, 15 



Alcohol, test for, 79 



Ammonia, test for, 71 



Anaerobic bacteria, cultivation of, 

 82 



Aniline-water gentian violet, 43 



Animals, inoculation of, 114 ; post- 

 mortem examination of, 114 



Antagonism, 20 



Autoclave, 10 



Bacillus coli communis, 18, 70, 77, 

 97, 106 



Bacillus fluorescens liquefaciens, 

 97, 102 



Bacillus lactis acidi, 77, 97, 106 



Bacillus lactis aerogenes, 77 ,97, 106 



Bacillus lactis longi, 80 



Bacillus lactis viscosus, 79 



Bacillus mesentericus ruber, 74 



Bacillus mesentericus vulgatus, 79 



Bacteria, direct enumeration of, 

 122 ; effect of creaming on dis- 

 tribution of, 93 ; examination of 

 living, 49 ; measuring of, 51 ; 

 preliminary cultivation of, 65 ; 

 rdle of, in cheese ripening, 104 



Bacterial species, identification of, 

 66 



Beef extract, 5, 16 



Blood-counting cell, 118 



Books, reference, 145 



Bouillon, 12 



Broth, preparation of, 12 



Brownian movement, 50 



Burri culture tube, 84 



Butter, analysis of, 95; flavor of, 

 95 ; keeping quality of, 101 



Canada balsam, 45 



Capsule stain, 48 



Carbohydrates, action of bacteria 



on, 67 



Carbol-fuchsin, 43 

 Cheese, analysis of, 105 ; ripening 



of, 103 ; sampling of, 105 

 Chromogenesis, 74 

 Colonies, study of, 32 

 Commercial starters, 97 

 Cotton plugs, 9 



Cover glasses, 41 ; cleaning of, 42 

 Cream, examination of, 94 

 Cultures, incubation of, 23, 24; 



testing purity of, 31 



Diaphragm, iris, 39 

 Diphtheria, 111 



Enzymes, 104 



Fermentation, acid, 76; alcoholic, 

 78 ; bitter, 80 ; butyric, 81 ; cycle 

 of, 80 ; sweet-curdling, 77 



Fermentation tests, 107 



Fibrin, staining of, 122 



Fishing, 33 



Flagella, staining of, 47 



Fuchsin, 43 



Galactase, 104 



Gas, analysis of, 69 ; measurement 

 of, 69 ; production of, 68 



Gasometer, Frost's, 68 



Gelatin, 5 ; effect of heat on, 14 ; 

 filtering of, 7; preparation of, 

 14 



Gentian violet, 43 



Gerber fermentation test, 107 



Glassware, 1 ; cleaning of, 2 ; ster- 

 ilization of, 3 



145 



