272 



BACTERIA IN RELATION TO PLANT DISEASES. 



Page. 



Bougie, 



Berkefeld's, for filtration of culture-fluids. . 43 

 Chamberland's, for filtration of culture- 

 fluids 43 



Chamberland's, sterilization of, necessity 



for frequent 44 



Bowhill's flagella stain I9 2 



Boxes for sterilization of pipettes 41 



Branched forms 23, 177, 215, 216, 217, 218 



Bread, 



Bacteria cause stringiness in 260, 261 



baking does not fully sterilize 261 



Bredig und Miiller, enzymic action of plati- 

 num black 234 



Brenner, black rot of cabbage, communicated 



by aphides 215 



Bromide-prints IS 1 



Broomcorn, 



natural infection in 92, 150 



red blotches and stripes, relation of bacteria 



to 66 



Brownian movement, deceptive nature of. . 10, 26 

 Brown pigment, bacteria producing. 65, 21 1, 214,237 



Brunner and Zawadzki, counting plate 227 



Bubonic plague, nature of organism causing.. 214 

 Buchner, 



effect of light on bacteria 244 



method of growing anaerobes 231 



Bujwid, 



cholera red 229 



comparison of Chamberland and Berkefeld 



filters 227 



Bunge's flagella stain 191 



Burcq, effect of metallic copper on bacteria. . . 250 

 Biitschli, nature of central body in bacteria. 216, 217 



Butter, bacteria in 259 



Cabbage, natural infection in. . . 92, 93, 94, 102, 124 



Cages for inoculation 108 



Calcium carbonate, effect of, on longevity 61 



Calcium chloride, effect on luminous bacteria. 60 

 Camera, 



Abbe, for drawing 130 



centering of horizontal 137 



enlarging, reducing, and copying 146 



photographing with horizontal 137 



Cankers produced by bacteria 8 



Capillary drop flask 21, 226 



Capsule, 

 branching caused by one-sided development 



Of 221 



examination of unstained 19 



Friedlaender's stain 220 



methods of staining for demonstration of . 19, 194 



Moore's contrast stain 221 



Carbol-fuchsin 187 



Carbol-methylene blue 188 



Carbolic acid 74 



for sterilizing surface of diseased material . . 14 

 Carbon dioxide, 



assimilation of, by bacteria 64 



behavior in 59, 223 



cultures in, factors to be considered 59 



generation of 54, 55 



Page. 

 Carbon dioxide continued. 



removal of all oxygen from 57 



test for, in fermentation-tubes 61 



test for purity of 55 



washing of 55 



Carbon monoxide, effect on bacteria 58 



Carney's fixing fluid 202 



Casein, 



non-precipitated, clearing of 267 



precipitated, re-solution of 46 



separation of, in milk-cultures 46, 67 



Cavities produced by bacteria 8 



Cell-nucleus 216, 217, 219 



Cellulose, 



in bacteria 219, 254 



pure, fermented by bacteria 209 



Chains, occurrence of bacteria In 22 



Chamberland autoclave 85 



Chamberland filter, 



cleaning of 45, 227 



enzymes entangled in walls of 68 



penetration of, by bacteria 45, 226 



used in study of antagonism 73 



Characters, 



cultural, value of 178 



decimal system of recording 175 



morphological, value of 176 



variation in, due to environment 182, 183 



Check-plants, 



importance of 14, 186 



proper behavior of 15, 16 



Checking work, necessity for, and methods of. 184 



Chemicals, for use in culture-media 97 



Chemotropism 27 



Chester, 



decimal system 175 



terminology for description of colonies 30 



Chlamydothrix 162 



Chloroform 74, 250, 254 



Chlorozinc-iodide, 



use in staining anthrax spores 218 



Chodat, lactic acid bacteria in cheese 260 



Cholera vibrio, 



cultivation on potato 249 



destroyed by river waters in India 251 



effect of copper on 250 



method of diagnosing and isolating 229 



names for 173 



Chondromyces 165 



Chromatium 164 



Chromatium Okenii, cells connected sidewise. 216 

 Chromic acid, 



cleaning mixture 200 



use in staining spores 218 



Chromo-aceto-osmic acid for fixing fluid 202 



" Chromo-agars " for differentiation 229 



Chromogens, medium for study of 48, 224 



Chromoparous bacteria 237 



Cladothrix 162 



Classifications 154 



Classification, 



iMigula's system 159 



Fischer's system 157 



