BASTIAN, 24 BAUMGÄRTNER, 256 Beaded growth, 221 Bed-bugs, 241 Beds, contact, 116 hot, 117 Beer, pasteurization of, 141, 144, 145 _Beggiatoa_, 63 BEGGIATOACEÆ, 63 BEHRING, 30 BELFANTI, 271 BERG, 27, 34 Berkefeld filter, 154 Bichloride of mercury as disinfectant, 158 BILHARZ, 28, 35 Bilharzia disease, 28, 35 Biochemical reactions, definition of, 87 Biological relationships, immunity reactions, 255, 270 Bipolar germination of spore, 48 Bismarck brown, 209, 212 Black-leg, 51, 73, 238, 243, 248, 251 vaccine, 254 Bleaching powder as disinfectant, 158 Blood, collection of, 228 cytolytic power of, 272 detection of, 269 serum, liquid, sterilization of, 182 Loeffler’s, 182 medium, preparation of, 182, 183 sterilization of, 182 vessels in dissemination of organisms, 247 Blue milk, bacterial cause of, 34 fermentation of, 31, 34 BOEHM, 27, 34 Boiling as disinfectant, 133 Boils, 237, 240, 243 BOLLINGER, 29, 30, 35, 36 BONNET, 20, 33 BORDET, 271 _Botrytis bassiana_, 27, 34 Bottles, staining of, 206 Bougies, 154 Bouillon, 173 BOYER, 260 Bread, salt rising, 95, 97 Bronchopneumonia, 233, 246 Broth, appearance of growth in, 218 extract of, 176 glycerine, 176 medium, 173 nitrate, 177 sterilization of, 174 sugar, 176 Brownian movement, 47, 203 Brushes, disinfection of, 169 Bubonic plague, 239 BUCHNER, 271 Budding of yeasts, 37 Bulgarian fermented milk, 98 Burning as disinfectant, 132 Burying as disinfectant, 154 BÜTSCHLI, 41, 43 Butter, 97 bacilli, staining of, 209 rancidity of, 101 Butyric acid fermentation, 32, 99 Buzzards, 241 C CABBAGE disease due to protozoa, 36 Cadaverin, 104 CAIGNARD-LATOUR, 31, 34 Calcium hypochlorite as disinfectant, 158 oxide as disinfectant, 158 Candles, filter, 153, 154 Canned goods, food poisoning by, 104 spoilage of, 51 Canning, introduced, 21, 34 principles involved, 133 Capsule, 44, 45 of spore, 48 staining of, 210 Carbohydrates in bacterial cell, 84 fermentation of, 93-101 Carbol-fuchsin, 206 Carbolic acid as antiseptic, 159 as disinfectant, 159 first used, 29 Carbol-xylol, 209 Carbon cycle, 107 dioxide, 108 function of, in bacteria, 88, 101 oxidation of, 114 in proteins, liberation of, 105 source of, 88 uses of, 88, 101 CARBONI, 271 CARDANO, 18 Carrier problem, solution of, 240 Carriers, 239 accidental, 241 carrion eating animals as, 241 control of, 240 intermediate hosts as, 242 protective measures against, 242 universal, 240 of unknown organisms, 239 Cars, stock, disinfection of, 170 Catalase, 125 Catalytic agents, function of, 123 Catalyzer, 123 Cattle, 227 Causation of disease, 24, 128