INDEX 



Agar, nutrient, 6 ; sterilization of, 126 ; 



synthetic, 61 

 Agar-agar, 6 

 Agar slant, 10 

 Air, bacteria of, 48 

 Alcohol table, 162 

 Aldehyde-reductase, 83 

 Allihu's method for determination of 



sugars, 154 

 Ammonia, determination of, 143 

 Ammonification by soil bacteria, 62, 63 

 Amylolytic action, 114 

 Anaerobic bacteria, 30, 58 

 Anthrax, 92 



Arsenic, detection of, 114 

 Ashby's solution, 28 

 Aspergillus, 5, 111, 114 

 Atmospheric dust, 48 

 Autoclave, 13 ; temperature of, 14, 119 

 Azotobacter, 67, 68 ; medium for, 28 



Bacillus amylobacter, 72 



Bacillus amylovorus, 88 



Bacillus anthracis, 93 



Bacillus campestris, 89 



Bacillus carotoTorus, 89 



Bacillus coli, 54, 56, 57 



Bacillus cyanogenus, 86 



Bacillus denitrificans, 66, 67, 73 



Bacillus fluorescens liquefaciens, 50, 



66, 67 

 Bacillus Hartlebii, 66, 67 

 Bacillus lactis aerogenes, 82, 85 

 Bacillus lactis viscosus, 86 

 Bacillus mycoides, 72 

 Bacillus prodigiosus, 50 

 Bacillus proteus vulgaris, 57 

 Bacillus pyocyaneus, 66, 67, 95 

 Bacillus radicicola, 68, 70, 71, 73 

 Bacillus subtilis, 50, 85 

 Bacillus tuberculosis, 95 

 Bacillus vulgatus, 72 

 Bacterium lactis-acidi, 84 

 Bacteroids, production of, 70 

 Beef extract, 6 

 Berkefeld filters, 121 

 Bile medium, 25, 26 

 Black rot of cabbage, 89 



Blight of pome fruits, 88 



Blood poisoning, 96 



Blood serum, 128 



Blue milk, 86 



Body cells in milk, 77, 78 



Bouillon, 9; glucose-formate, 24; glyc- 

 erin, 27 ; iron, 26 ; lead, 26 ; neutral 

 red, 25, 55 ; phenol, 25 ; sugar, 24 ; 

 sulphindigotate, 30 ; titration of, 142 



Bread dough, 105 



Brownian movement, 4 



Carbol fuchsin (Ziehl), 33 



Catalase in milk, "79 



Cellulose decomposition by bacteria, 



58, 59 

 Chamberland filter, 121 

 Chart, descriptive, 166 

 Cider, 107 

 Clostridia, 2 

 Colonies, 45, 47 

 Colorimeter, Schreiner's, 144 

 Colostrum, 79 

 Cotton plugs, 9 

 Cover-glass forceps, 34 

 Cultural characters, 43 

 Cultural features, descriptive terms, 



166-168 

 Czapek's solution, 30 



Defren-O'SuUivan method for deter- 

 mination of sugar, 158 



Dematium, 112 



Descriptive terms, for culturalfeatures, 

 166 ; for morphology, 165 



Differential staining, 37 



Diseases of man and animals, 91 



Diseases of plants, 87 



Disinfectants, 18 ; preparation of, 92 



Drying, effect upon bacteria, 18 



Dunham's solution, 25, 57 



Enriching cultures, 56 



Enzymes, 21 



Fecal bacteria, 54 



Eermentation, 97 ; of bread dough, 

 105 ; of cider, 107 ; organisms of, 

 97 ; of vinegar, 108 ; of wine, 107 



177 



