INDEX OF SUBJECTS 



837 



Paper used in filtering culture media, 



121 

 Pappenheim-Saathof stain, of diplococ- 



cus gonorrhoeas, 381 

 Paracolon bacillus, 430 

 Paracresol as a disinfectant, 78 

 Parameningococcus, 379 

 Parasites, bacterial, 29 

 classification of, 30 

 facultative, 29 

 media for growth of, 29 

 definition of, 182 

 infectiousness of, 182 

 pathogenicity of, 182 

 Paratyphoid bacilli, differentiation of, 



on sugar, 433 

 types A and B, 431 

 Paratyphoid fever, differentiation of, 



from typhoid, 432 



Passive immunity. See under Immu- 

 nity 

 Passive immunization, definition of, 



196 



Pasteur, discovery of bacillus of chick- 

 en cholera by, 552 

 discovery of bacillus of malignant 



edema by, 468 

 discovery of Diplococcus pneumonias 



by, 353 



technique of, in rabies therapy, 652 

 Pasteurization of milk, 709 

 Pathogenic bacteria, 182, 321 

 Pathogenic protozoa. See Protozoa 

 Pathogenicity, fundamental factors of, 



181 



of bacteria, 182 



Penicillium, reproduction in, 637 

 Pepton-salt solution broth, 126 

 Perez bacillus of ozsena, 452 

 Pericardial exudates, bacteriological 



examination of, 175 

 Peritoneal exudates, bacteriological ex- 

 amination of, 175 



Peritonitis following perforation at- 

 tributed to colon bacillus, 394 

 Perlsucht, 498 



Pernicious anemia and Bacillus aero- 

 genes capsulatus, 177 



Petri dish, 115, 144 



Petruschky, discovery of* Bacillus feca- 



lis alkaligenes by, 26, 427 

 Pfeiffer, discovery of influenza bacillus 



by, 536 

 discovery of Micrococcus catarrhalis 



by, 386 

 discovery of pseudo-influenza bacillus 



by, 541 



Phagocytic index, 286 

 Phagocytosis, 275 

 cells active in, 276 

 "fixed," 276 

 macrophages, 276 

 microphages, 276 

 "wandering," 276 

 cells of animal origin in, 278 

 chemotaxis in, 277 

 complement or, "cytase" in, 279 

 definition of, 275 

 dependence of, on opsonins, 281-282 

 diminution of, upon introduction of 

 bacteria without opsonic serum, 

 282 



immune body or "fixator" in, 279 

 immunity and, 279 

 in higher animals, 276 

 in protozoa, 275 

 increase of, upon the introduction of 



opsonic substances in serum, 282 

 macrophages in, 276 

 Metchnikoff's theory of, 276 



opposition to, 279 

 microphages in, 276 

 process of, in the body upon intro- 

 duction of bacteria, 277 

 upon introduction of nutrient 



broth, 276 



susceptibility of various microorgan- 

 isms to, 278 

 variety of phagocyte in, determined 



by the bacterium, 278 

 Phenol production by bacteria, 167 

 Phosphates in the nutrition of bacteria, 



29 

 Phosphorescence produced by bacteria, 



59 

 Phragmidiothrix, 37 



