482 INDEX. Anthrax, means of protecting ani- < mals against, 363, 364 microscopic examination of the various organs in, 362 resistant powers of, 358 spores, 357, 358, 360 symptomatic, 453 bacillus of, 454 cultures of, 455 staining of, 454 precautions to be observed in, 458 protective inoculations in, 456 statistics of, 458 Antiabrin, 70 Anti-infectious substances, 81 Antiphthisin, 236 Antipneumococcic serum, 351 Antiricin, 79 Antisepsis, origin of, 26 Antiseptic action, results of, on bacteria, 178 value of some of the principal germicides, 113 value of reagents, determination of, 177 Antistreptococcic serum, 196 Antitoxic serum, preparation of, for therapeutic purposes, 302 of tetanus, 282 Antitoxin of anthrax, 364 of cholera, 325 of diphtheria, 297 of tetanus, 282 theory of immunity, 78 Antitoxins, 79 action of, upon bacteria, 81 origin of, 80 specific for one disease only, 83 Antituberculin, 237 Arnold's steam sterilizer, 108 Aromatics, production of, by bac teria, 56 Arthrospores, 35 Ascococcus, 37 Asiatic cholera, spirillum of, 313 3H Association, effects of, on bacteria 47 Atmosphere as a factor in the causation of suppuration,; 183 - * bacteria in, 183 germs in, number of, 167 Autoclave, in Trillat, 115 BACILLI, division of, 38 morphology of, 38 motility of, 31 Bacillus aerogenes capsulatus, 463 colonies of, 466 cultures of, 465 gas-production by, 467 infection of man by, 469 morphology of, 465 natural habitat of, 468 origin of, 463 pathogeny of, 468 staining of, 464 symptoms produced in man by, 470 vital resistance of, 468 anthracis, 357 colony of, 146 gelatin puncture-culture of, 149 spores of, 358 coli corhmunis, 200, 371, 389 a cause of cholera infantum, 396 cultures of, 390, 391 determination of, 396 differentiation from typhoid bacillus, 398 immunization against, 395 in drinking-water, deter- mination of, 172 in yellow fever, 399, 400 pathogeny of, 392-396 for animals, 394 penetration of intestinal tissue, 392 staining of, 389 varieties of, 397 coli immobilis, 390 colon, 389. See Bacillus coli communis.