220 



SUBJECT INDEX 



Proteids, 6 

 estimation of, 73 

 mucoid, 18 

 whey, 14 



R 



Recknagel phenomenon, 29 

 Reductases, 24 



effect of heat on, 188 



estimation of, 89 

 Refractive index, 32, 79 



Hmits for, 57 

 Rennin, effect of heat on, 189 

 Results, calculation of, 142 



recording, 206 



S 

 Saccharate of lime, 87 

 Salicylic acid, 84 

 Salolase, 22 

 Salts, 19 



Samples, collection of, 202 

 Schardinger's reagent, 89 

 Seasonal variation in milk, 40 

 Septic sore throat, 150 

 Serum, 19, 57, 78 

 Skim milk, 88 

 Solids-not-fat, 44 

 Specific gravity, 28 



determination of, 69 

 Specific heat, 32 

 Staphylococcus pyogenes, 150 

 Standards for milk, 59 



tables, 63 

 Starch, detection of, 87 



Streptococci: 



biochemical characteristics, 158 



faecal, 147 



haemolytic, 151 



pathogenic, 148, 153 

 Streptococcus lacticus, 109, 119, 152, 

 153 



mastitidis, 150 



pyogenes, 152 

 Strippings, 50 



bacteria in, 96 

 Surface tension, 32 



Toisson's solution, 207 

 Total solids, estimation of, 69 



tables for calculating, 210-213 

 Toxicity of milk, 114 



of pasteurised milk, 116 

 Toxins, 27 



U 

 Udder, bacteria in, 95 



influence of wiping, washing, etc., 



Viscogen, 87 

 Viscosity, 60 

 Voges and Proskauer reaction, 136, 



145 

 Volume change with temperature, 



29,30 



Z 



Ziehl-Neelson method for tubercle 

 baciUi, 164 



