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 

 FlavescenSi vibrio, 406 

 FlavoGoriaceus, B., 446 

 Flavus desidens, M., 502 

 Flavus Uquefaciens, M., 501 

 Flavus tardigradus, M., 502 

 FlavtiSf Vibrio, 405 

 Fluorescens aureus, B., 449 

 Fluorescens liquefaciens, B., 427 

 Fluorescens longus, B., 425 

 Fhiorescen^s 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 



Fusariuni aquceductuum, 519, 520 

 FusGus, B., 431 

 Fuscus, M., 498 

 Fuscus limbatus, B., 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 



Gasoforniajis, 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 



— Vitality 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 



vitaHty 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 



G}^av6olens, 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 



Halo^hilus, B., 457 



