1NDF.X. 



2/5 



Page. 



Feinberg, on existence of nucleus 217 



Fermentation, 



causes of 60 



commercial importance of 60 



determination of gases produced by 61 



effect of calcium carbonate on 61 



isolation of products of 61 



literature of 232 



meaning of term 60 



measurement of volume of gas produced. . . 61 



observations to be made on 61 



of cellulose 209 



pectic 257 



products of 60, 6 1 



Fermentation-tubes, 



absorption of air into closed end of 52 



fluids to be used in 52 



observations to be made on cultures in 52 



style preferred 53 



substances to be tested in 52 



test for presence of air in closed end 54 



wooden rack for 52 



Fermented foods, bacteria of 235 



Fermi, 

 concentrated solution for silicate-jelly... 39,197 



effect of acids, etc., on bacteria 249 



studies of ferment-bacteria 233 



Fermi und Montesano, reagent for sugar 234 



Fermi und Pernossi, action of heat, light, etc., 



on enzymes 233 



Ferran, aerobic behavior of tetanus 231 



Ficker, glass, influence of substances dis- 

 solved out of 223 



Filaments, bacteria in form of 22 



Filters, 



Berkefeld and Chambcrland, for cold steril- 

 ization of fluids 43 



Zettnow's copper-chrom 20 r 



Filter-papers, 



enzymes held in meshes of 68 



most convenient form of 34 



reaction of 34 



Filtration, 



by means of compressed air, etc 44 



inside-out method 43, 226 



of milk for culture-media 46 



of nutrient-agar 33-35 



of thick fluids 69 



Fiocca's spore-stain 194 



Fischer, A., 



classification of 157 



experiments on plasmolysis 22, 254 



flagella-stain 191 



subfamilies distinguished by flagella 20 



Fischer, B., 



bacteria in sea-air 255 



germicidal action of light through water.... 244 



Fish-parasites 213,214 



Fixation of plant material containing bacteria. 8 



Fixing fluids 202 



Flagella 219 



classifications based on 20, 157 



earliest demonstrations of 20 



stains 20,190 



Page. 



Flagella-staining, 



cultures best suited for 190 



literature on 219 



technique 189 



Flasks, for storing distilled water 129 



Flax, retting of 257, 258 



Flemming, 



fixing fluid 202 



triple stain 188 



Flexner's anilin gentian violet 187 



Flocculence in fluid-cultures 22 



Florideae, source of agar 32, 224 



Fluorescine 65 



Focus-difference, with achromatic objectives. 140 

 Foerster, Chromatium Okenii, cells connected 



sidewise 216 



Folmer & Schwing, enlarging, reducing, and 



copying camera 146 



Formaldehyd 74 



Formalin 74 



differential effect on bacteria 229 



germicidal action 252, 253 



preservation of cultures by use of 263 



Formulas 187 



Forster, gelatin with 'high melting point 225 



Foth's spore-stain 218 



Fractional method of culture 226 



Fraenkel & Voges' solution 197 



Frankland, 



effect of gases on bacteria 231 



photographic action of bacteria 242 



Frankland & Ward, method for study of an- 

 tagonism 73 



Freer & Novy, germicidal action of organic 



peroxides 253 



Freezing 246 



effect on anthrax, etc 247 



effect on B. typhosus 247, 258 



effect on bacteria of pest and diphtheria. . . . 247 



osmotic pressure a factor in 247 



with liquid air 79-83 



with salt and ice 83 



Frost, 



antagonism 73 



gasometer 61 



Friedlaender, 



acid-fast stain 187 



capsule-stain 220 



Fribes, retting of flax 257 



Fruit-ether-forming bacteria 259 



Fuchsin, anilin 187 



Fuller's scale 69 



Funck, cleaning of cover-glasses 227 



Fiirbringer und Freyhan, disinfection of 



hands 252 



Gabbett's stain 188 



Gas-analysis 55 



Gases, compressed 81 



Gas-generator, 



de Koninck 54 



hydrogen, with wash-bottles 55 



Kipp 54 



Gasometer, Frost's 61 



Gas-pressure regulator, Murrill's 78 



