486 INDEX. Bacteriologic examination of soil, j 174 of water, 169 Bacteriology, history of, 17 Bacterium, 38 definition of, 30 Beef-peptone in preparation of bouillon, 125 Beggiatoa, 39 Benches, glass, for use in making plate-cultures, 142 Binary division, 33 results of, 33 Birds, susceptibility of, to experi- mental inoculation with tubercle bacilli, 239 Black-leg, 453. See Anthrax, symptomatic. Black vomit of yellow fever, cause of, 404 Blood agar-agar, 131 Blood-serum, alkaline, 133 as a culture-medium, 131 Koch's apparatus for coagulating a^d sterilizing, 133 mixture, Loffler's, 133 therapy, discovery of, 29 Body-juices, antibactericidal action of, 77 Bordoni, bacillus of, 243 Botkin's apparatus for making anaerobic plate - cultures, i56 Bottle for cultivating tetanus- bacillus, 278 Bouillon as a culture-medium, 124 preparation of, 124 free from dextrose as a culture- medium, 137 Browniaii movement, 32 Bubonic plague, 433 antitoxin of, 441 bacillus of, 435 cultures of, 435 discovery of, 29 pathogenesis of, 437, 438 forms of, 434 serum, 441 Buchner's method of making an- aerobic cultures, 153 CAPILLARY TUBES for securing definite quantities of blood in typhoid test, 381-390 Carbol-fuchsin, 100 Carbolic acid, value of, as a germi- cide, 118 Carmin and hematoxylon, efforts to facilitate observation of bacteria by means of, 90 Catgut, sterilization of, 116 Celloidin as an imbedding agent, 94 Cells, phagocytic, 71 Charbon symptomatique, 453. See Anthrax, symptom- atic. Cheese-poisoning, cause of, 51 Chemo.taxis, 71 negative, 75 Chicken-cholera, 409 bacillus of, 409 cultures of, 410 pathogenesis of, 411 pneumococcus of, discovery of, 28 Cholera, 311 Asiatic, spirillum of, 312 cultures of, 315-318 staining of, 315 effect of vaccination in preven- tion of, 325 nog, 413 immunity to, attempts to pro- duce, 324 reasons for, 320 infectious nature of, 312 spirillum of, in drinking-water, means of detecting, 323 pure cultures of, Schottelius' method of securing, 316 toxic products of the metab- olism of, 319 theories as to the cause of, 321, 322 Cilia, 31 Circulation, modes of entrance of bacteria into, 62