35 6 INDEX 
Sour bread, 232 Takosis, 310 
fodder, 251 Tallowy butter, 199 
milk, bacteria in, 345 Temperature, relation to, 17 
Soured beans, 241 Tetanus, 310 
Spices as a preservative, 263 Thermophiles, 18 
Spirillum, 13 Thunder storms and sour milk, 156 
Spirochete hyos, 314 Toad stools, 6 
Spoiling of food, 253 Tobacco-curing, 241 
Spores, 7, 12, 16 Tobacco, diseases of, 24.6 
Springs, 144 Tomato rot, 325 
Sprinkling filter, 92 Torula amari, 168, 218 
Stables, care of, 179 Toxins, 272 
disinfection of, 350 Transportation of milk, 190 
Staining of bacteria, 338 Trickling filter, 92 
Starches, 49 Tuberculin test, 293 
Starters in butter-making, 200 Tuberculosis, 282 
in cheese-making, 215 animals subject to, 284 
preparation of, 202 bovine and human, 285 
use of, 204 combat against, 290 
value of, 205 distribution of, 287 
Sterilization, 18 preventive inoculation, 299 
of milk, 184. resistance against, 285 
Sterilizing, 335 treatment of in a herd, 295 
soil, 127 use of flesh, 299 
Stilton cheese, 222 milk, 300 
Streams, contamination of, 145 Tumor diseases, 325, 328 
Streptococci, 149, 311 Turnip-tasting butter, 199 
Streptococcus, 13 Turnip taste in milk, 170 
lacticus, 157 Typhoid in milk, 141, 175 
Sugar, 49 fever in water, 139 
as a preservative, 263 
bacteria in, 269 Udder, 152 
sulphates, 43 cocci, 165 
Sulphofication, 125 Unfermented grape juice, 229 
Sulphur, 123 Urase, 60 
Sweet cheese, 218 Urea, 55 
curdling, 163 
Swelled cheese, 160, 217 Vaccination, 279 
Swine plague, 307 Vibrio, 13 
Swiss cheese, 212 Vinegar as a preservative, 263 
Symptomatic anthrax, 309 eels, 240 
Synthetic processes, 25 making, methods, 233, 236 
organisms, 234. 
Tainted butter, 199 preservation of, 239 
