Anilin dyes, as antiseptic, 162 as disinfectants, 162 introduction of, 30 as stains, 204 Weigert, 36 fuchsin, 205 gentian violet, 205 water, 205 Animal carriers, 239 inoculation, uses of, 227 Animalcules, 19, 33 Animals, disinfection of, 170 experimental, 227 food relationships of, 39 _Ankylostoma duodenale_, discovery of, 27, 34 Egyptian chlorosis, cause of, 28, 35 hookworm disease, cause of, 28 Anthrax, 17, 28, 35 bacterium a facultative saprophyte, 238 isolation of, 29 due to a bacterium, 29 in human beings, 238 path of entrance, 243 intestine, 246 stomach, 246 persistence due to spores, 251 produced by exhaustion, 251 protective inoculation in, 30 spores, 29, 35 transmission by flies, 242 vaccine, 254 Anti-agglutinins, 270 aggressins, 288 amboceptors, 275 antisera in snake poisoning, 275 anaphylactic, 290 anaphylaxis due to intracellular digestion, 292 protein immunity compared to, 292 bacterial immunity, 254, 255 bodies, 259 place of production, 295 tabulation of, 294 body, action, 260 chemical composition, 260 formation of, 128, 260 complement, 274 complementophil amboceptor, 275 cytophil amboceptor, 275 diphtheritic serum, 263 enzyme, 122, 262 function of, 262 Antigen, 259 chemical composition of, 260 in complement-fixation, 277 syphilitic, 277, 279 in Wassermann test, 279 Antigens, fats and fatty acids as, 260 in preparation of vaccine, 285 tabulation of, 294 Antipollenin, 263 Antiprecipitins, 270 Antisepsis, 131 Lister, introduced, 35 primitive, 25 Antiseptic, 131 action of anilin dyes, 162 carbolic acid as, 159 cold as, 148 Antisera in snake poisoning, 275 Antisnake venoms, 275 Antitetanic serum, 263 Antitoxic immunity, 254, 255 Antitoxin, 261 collection of, 263 diphtheria, 30, 252 preparation of, 263 standard, 264 tetanus, 252 Antitoxins, 261-264 as factors in immunity, 295 preservative in, 263 specific, 261 Antivenin, 263 Apes, 227 Apparatus of Barber, 196 Appearance of growth on culture media, 217 APPERT, 20, 31, 34 Aqueous gentian violet, 205 Arborescent growth, 221 ARISTOTLE, 18 Aromatic compounds, production of, 104, 111 Arrak, 100 Arsenate, reduction of, 114 Arsenite, oxidation of, 115 ARTHUS, 289 phenomenon, 289 Articles, unwashable, disinfection of, 169 washable, disinfection of, 169 Artificial immunity, 251, 252 Ase, termination of name of enzyme, 124 Asepsis, 131 Aseptic, 131 Ash, analysis of, 82 Asiatic cholera, 27, 34, 73, 238, 239, 246, 248, 249 Attenuated, 253 Autoclave, air pressure sterilizer, 138 pressure sterilizer, 138 Autogenous vaccines, 284 in epidemic, 241 Autoinfection, 234