SUBJECT INDEX 



Abnormal milk, 54 

 Acidity, 75 



and bacteria, 132 



of media, 119, 121 

 Acid producing organisms, 191 

 Aciduric bacilli, 195 

 Adulteration of milk, 55 



calculation of, 58 

 Agar media, 117, 120 



whey, 119 



lactose, 119 



lactose bile salt, 143 



sesculin, 143 



casein, 194, 208 

 iggressins, 27 

 Air, bacteria in, 100 

 Albumin, 74 



effect of heat on, 189 

 Aldehyde value, 75 

 Alkali-forming organisms, 194 

 Ambocepters, 26 

 Amylase, 22 



detection and estimation, 91 

 Aniline orange, 86 

 Annatto, 86 

 Antibodies, 26 



"Appeal to the cow" test, 59 

 Ash, 50, 76 



estimation of, 69 



B 



B. abortus, 190 



characteristics of, 192 

 B. bulgaricus, 196 



B. butyricus, 147 



B. coli, 136 



appearance of colonies, 144 

 calculation of results, 142 

 effect of atmospheric tempera- 

 ture, 139 



enrichment methods, 140 

 estimation of, 140 

 grain types, 145 

 liquid media for, 140 

 plate methods of estimating, 143 

 rate of development, 107 

 type, classification of, 145 



B. diphtheria, 156 

 detection of, 157 



B. enteritidis sporogenes, 146 



B. lactis acidi, 109 



B. lactis aerogenes, 109, 119 



B. paratyphosus, 161 



B. tuberculosis, 135 

 detection of, 164 

 inoculation method, 165 

 pseudo, 168 

 types, 169 



B. typhosus, 159 

 . isolation of, 160 



Bacteria in milk, 93 

 acid-producing, 106 

 alkali-producing, 106 

 development of, 102 

 effect of brushing cows on, 98 

 effect of low temperatures on, 111 

 enumeration of, 113 

 Breed's method, 129 

 by acidity, 132 

 217 



