754 



INDEX OF SUBJECTS 



Pathogenicity, fundamental factors of, 

 181 

 of bacteria, 182 

 PeniciUium, reproduction in, 637 

 Pepton-salt solution broth, 126 

 Pericardial exudates, bacteriological ex- 

 amination of, 175 

 Peritoneal exudates, bacteriological ex- 

 amination of, 175 

 Peritonitis following perforation attrib- 

 uted to colon bacillus, 394 

 Perlsucht, 498 



Permanganate of potassium as disin- 

 fectant, 76 

 Pernicious anemia and Bacillus aerogenes 



capsulatus, 177 

 Peroxid of hydrogen as disinfectant, 76 

 Petri dish, 115, 144 

 Petruschky, discovery of Bacillus fecahs 



alkaUgenes by, 427 

 Pfeiffer, discovery of influenza bacillus 

 by, 536 

 discovery of Micrococcus catairhalis 



by, 385 

 discovery of pseudo-influenza bacil- 

 lus 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, 281-2 

 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 



Phagocytosis, macrophages in, 276 

 Metchnikoff's theory of, 276 



opposition to, 279 

 microphages in, 276 

 process of, in the body upon introduc- 

 tion 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, 38 

 Phycomycetes, 635 



Pigment, formation of, by bacteria, 59 

 chemical nature of, 59 

 cultural conditions on, 60 

 Piorkowski's urine gelatin for colon-ty- 

 phoid differentiation, 134 

 Pitjriasis versicolor, 639 

 chnical picture of, 639 

 microorganism causing. See Micro- 



sporon furfur 

 occurrence of, 639 

 Plague, bacillus of, 554 

 biology of, 557 

 degeneration forms of, 20 

 immunization against, 561 



active, 561 

 involution forms of, on salt agar, 557 

 isolation and cultivation of, 556 

 lesions in animals produced by, 559 

 morphology of, 555 

 pathogenicity of, 558 

 resistance of, 567 

 staining of, 556 

 transmission of, 560 

 toxins of, 661 



variations in virulence of, 659 

 viabUity of, 557 

 epidemics of, 554 

 in animals, 558 



in California ground squirrels, 560 



