INDEX 



525 



Filtration, sand, bacterial effect on 

 filtrate of rate of, 126, 148-150, 

 151, 154-157 

 - inefficient, 148-154 

 and sewage purification, 159- 

 167 

 Finkler-Prior B., vitality in water 



of, 326 



Flagella, staining of, 54-58 

 Flavescens, B., 448 

 Flavescens, vibrio, 406 

 Flavocoriaceus, B., 446 

 Flavus desidens, M., 502 

 Flavus liquefaciens, M., 501 

 Flavus tardigradus, M., 502 

 Flavus, Vibrio, 405 

 Fluorescens aureus, B., 449 

 Fluorescens liquefaciens, B., 427 

 Fluorescens longus, B., 425 

 Fluorescens non liquefaciens, B., 



425 



Fluorescens tenuis, B., 424 

 Formalin broth for diagnosis of 



typhoid bacillus, 285 

 Fraenkel's anaerobic culture-tube,40 

 Frankland, Percy, culture -solution, 



26,27 



method for detection of an- 

 thrax spores in water, 283 

 Freezing, effect of, on gelatine cul- 

 tures of bacteria, 255, 256 



B. prodigiosus, 252 

 Proteus vulgaris, 252 



Staphylococcus pyoge- 

 nes aureus, 252 



typhoid bacillus, 252 



anthrax bacillus, 253- 

 255 



cholera bacillus, 254, 

 255 



Freiburg, bacteria in water-supply 



of, 99 



Frost and filter-beds, 153 

 Fuchsine stain for bacteria, 44 

 Fulvua, B., 470 



Fusarium aquceductuum, 519, 520 

 Fuscus, B., 431 

 Fuscus, M., 498 

 Fuscus limbatus, 5., 432 



Gaillet and Huet's process for 



softening water, 191 

 Gas, production of, by B. coli com- 



munis, 269-270 



Gas, carbonic acid, and cholera ba- 

 cillus, 237 



and water bacteria 237 



Gaslight, action of, on anthrax, 

 338, 339 



Gasoformans, B., 468 



Gelatine-peptone, preparation of, 9 



addition of glycerine to, 12 



preservation of, 11, 12 



alkalinity of, 63-67 



behaviour of B. typhosus and 

 coli communis in, 269 



Vitalitv of bacteria when frozen 

 in, 255, 256 



Gelatine wort, 13 



iron, 14 

 - potato, 22 



ammonia, 67 

 Gelatine-plate cultures, 30, 76, 80 



dish cultures, 34 



tube cultures, 35 



Geneva, Lake of, bacteria in, 109 



Gen. nov., B., 467 



Glanders bacillus, growth on pota- 

 toes of, 24 



vitality in water of, 325 



Glass, powdered, for filtration pur- 

 poses, 169-171 



Glaucus, B., 469 



Glycerine -gelatine peptone, 12 



Glycerine, addition of, to blood 

 serum, 19 



' Golden Yellow Water bacillus,' 

 444 



Grand Junction Company's filter- 

 beds, bacterial examination of, 

 131-133 



reservoirs, 187, 188 



Granulosus, B., 454 



Gram's method, 47 



Gram-Giinther method, 48 



Botkin's modification of, 



48 



Graveolens, B., 467 



Green or fluorescent "^pigment, 

 bacilli producing a, 424-428 



' Grey coccus,' 492 



Guinea-pigs and cholera inocula- 

 tions, 282 



Guttatus, B., 466 



Haematimeter, 29 



Hail, bacterial contents of, 88 



Halophilus, B., 457 



