II78 



SUBJECT INDEX 



Fertility. See Soil fertility 

 Fertilizers, 246, 347 

 Field and Teague apparatus, 575 

 Filament, terminal, 463, 465 

 Filamentous bacteria, 324 



in activated sludge, 359 



in sewage, 359 

 Filmometer, 165 



Films 



absorbed from liquids, 164 



monomolecular, 163, 173 



surface, 797 

 Filter-passing stage, 5 



sludge, 358 



FiLTERABILITY, 557-64 



antitoxins, 562 



bacterial toxins, 560 



bacteriophage,^ 560 



botulinum toxin, 561 



cocaine, 563 



digitalis, 562 



non-bacterial toxins, 562 



opium, 562 



spirochetes, 467 



strychnine, 563 



tetanus toxin, 562 



tobacco sap, diseased, 560 



tuberculin, 561 



Vibrio percolans, 560 



viruses of vaccinia and rabies, 560 



Filterable form of bacteria, 3 

 yeast, 499 



Filterable Viruses, 517-24; 97 

 cultivation, 521 

 diseases from, 517, 518 

 filterability, 519 

 in guinea pig diseases, 622 

 immunity to virus diseases, 523 

 size, 519 



variations of, 520 

 viability, 520 



Filters 



Berkefeld, 557 



dye tests, 558 



electrical potential difference for, 637 



plaster of Paris, 558 



gypsum, 558 



siliceous, 557 



trickling, 354 

 Filtrates, paratyphoid, 714 

 Filtration, sand, 354 

 Fire blight, 591 



Fish, lymphocystic disease of, 518 

 Fission, reproduction by simple, 100 

 Fixation. See Complement fixation, Nitrogen 

 Fixed tissue cells, phagocytes, 808 

 Flagella, 37 



Flagella agglutination, 814 

 Flagellates. See Intestinal flagellates 

 Flagellation of root nodule bacteria, 338 



Flocculation, 171, 782 

 Method for Titrating Toxins and Anti- 

 toxins, 759-71 



botulinum, 766 



diphtheria, 765 



dysentery, 767 



miscellaneous, 768 



tetanus, 767 

 Ramon's method, 763, 952 

 reaction 



conditions affecting, 761 



nature of, 763 



specificity, 764 

 technique, 760 

 value, 172, 173, 762 



Flood fever, 518 



Food 



B. aerlryche in, 446 

 requirements of bacteria, 67 

 canning, 442 



Contamination and Deterioration of, 

 437-42 

 flesh, 439 



fruit and sugars, 439, 440 

 handling, 438 

 drying and preserving, 440, 441 

 incubation, 438 

 plant, mobilization of, 348 

 Poisoning, Bacteria of, 443-51 

 CI. hotulinnm, 443, 447-49 

 paratyphoid bacilli, 443 

 B. proteiis, 450 

 staphylococcus, 450 

 streptococcus, 450 

 typhoid bacilli, 443 

 Foot and mouth disease, 415, 518 

 Formiase, 238 

 Formic acid, 238, 241, 246 

 Forssman antibodies, 709. See also Heterophile 

 Fowl plague, 518 

 Fowl pox, 518 



Freezing, effects on toxin-antitoxin, 749 

 Friedlander's bacillus, 2, 8, 42, no 

 infections in guinea pigs, 618 

 specific substance from, 727 

 Fuchsin, acid, basic, 11 17 

 Fumaric, 246 

 Fungi in soil, 317, 321 

 Fungi imperfecli, 45 

 Furunculosis, use of yeast in, 506 

 Fusiform bacilli, 655 



Gartner bacillus, 444 

 Galaktan, 8 

 Gallionella, 324 

 G. ferruginea, 330 



Gas 



constant (Boltzmann), 176, 177 

 evolution of, 266 

 gangrene, 955 

 light, 371 



