II76 



SUBJECT INDEX 



Rideal- Walker, 301 



thread, 301 

 test organisms 



M. aureus, 302, 305 



B. diphtheriae, 302, 306 



B. tuberculosis, 302, 306 



B. typhosus, 302, 303 

 Disinfection, 74, 75 

 factors in, 79 

 mechanism of, 377 

 process, 72, 73 

 of sewage, 361 

 Disintegration, mechanical, 27 



Dissociation, 577, 598 



colonial, cultural, and morphological as- 

 pects, 93 



and pH, 99 

 Dissociative Aspects of Bacterial Behavior, 



84-101 

 Dissociative reaction, 86 

 Distemper of dogs, 518 

 Distribution of bacteria, 58 



in soil, 312 

 Donnan equilibrium, 573, 786 

 Dormancy, effect of, on heat resistance, 295 

 Double layer, electric, 170, 786 

 Drainage, 347 

 Drop weight method for surface tension, 167, 



173, 175 

 Drugs, influence on antibody production, 



IIIO 



Dry substance of bacteria, 15 



Drying of 

 bacteria, 74 

 foods, 440 

 Duodenum ulcers, 582 

 Dyes. See also Staining 

 anilin 



bactericidal power, 34 

 in chemotherapy, iiii, 1112 

 selective action, 11 13 

 effect on antibodies, 11 16 

 chemistry of, 11 14 

 effect of heat, 1113 

 mechanism of, 1 1 15 

 effect of, on phagocytosis, 1116 

 toxicity, toxicity tests, 11 17 

 in staining bacteria, 19 

 bacterial sensitive to, 37 

 bacteriostatic and bactericidal activity, 25, 



1112 

 bacteriostatic reverse action, 26 

 chemistry of, 19 

 coal tar, 19 

 for differentiation, 366 

 dye-fastness of bacteria and chemotherapy, 



1116 

 fat-soluble, staining by, 31 

 filterable, 557 

 for testing filters, 558 

 mixtures, bactericidal activity, 1112 

 Systems, Oxidation-Reduction Potentials 



OF, 188-97 



Dysentery (bacillary) 

 antiserum 924, 960 



flocculation with toxin and antitoxin, 767 

 local immunity, 887 

 from milk, 415 

 oxidizing ferments, 215 

 phagotherapy, 553 



Eating utensils, 80 

 Ebertliella 



dysenteriae. See Bad. dysenteriae 



paradysenteriae, 42 



typhi. See Bad. typhi 

 Eczema, 968 

 Eggs 



stored, 441 



white and yolk, 713 

 Ehrlich's theory, 739 



Critique of, 1078-1100 



experimental tests of, 1081 



hypotheses, 1078 



and immunological facts, 1079 



validity of, 1079 

 Eimeria perforans, 628 

 Eimeria stiedae, 628 



Elective Localization of Bacteria in the 

 Animal Body, 576-89 



of streptococci, 578 

 Electrical characteristics of emulsions and sus- 

 pensions, 169 

 Electrical charge, 741, 863 



of antigens and antibodies, 743 



of colloidal suspensions, 785 



of electron, 176 



for microbes, 566 



and stability, 788 



and specific soluble substances, 572 



and virulence, 572 

 Electrical double layer, 170. See Potential and 



Potential difference 

 Electrical forces and phagocytosis, 866 

 Electrical potential difference. See Potential dif- 

 ference 

 Electrical repulsion, 170 

 Electrodialysis of antitoxin, 740 

 Electro-endosmosis, 785 

 Electrode potential, 190 

 Electrolytes, 25 



activity coefficient, 145 



weak, 148 

 Electron 



charge on, 176 



negative, 137 

 Electrophoresis cell, 575 



Electrophoretic charge and agglutinability, 569 

 Electrophoretic potentials 



and host resistance, 574 



and toxigenicity, 573 



and virulence, 596, 599 

 Emhadomonas inteslinalis, 674 

 Emulsification, 178 



