838 



INDEX OF SUBJECTS 



Phycomycetes, 635 



Pigment, formation of, by bacteria, 59 



chemical nature of, 59 



cultural conditions on, 60 

 Piroplasmidae, as cause of Southern 



cattle fever, 787 

 clinical observations on, 788 

 family of, 787 

 morphology of, 787 

 transmission of, 788 

 Pityriasis versicolor, 639 

 clinical picture of, 639 

 microorganism causing. See Micro- 



sporon furfur 

 occurrence of, 639 

 Plague, bacillus of, 554 



biology of, 557 



control of, by fumigation with 

 hydrocyanic gas, 92 



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 



relation of rats to, 560 



resistance of, 557 



staining of, 556 



toxins of, 561 



transmission of, 560 



variations in virulence of, 559 



viability of, 557 

 epidemics of, 554 

 in animals, 558 



in California ground squirrels, 560 



in Manchurian marmot, 560 



inoculation in, 559 



spontaneous infection in, 559 

 in man, 558 



autopsy findings in, 558 



bacteriological diagnosis of, in life, 

 558 



infection in, 558 



localized form of, 558 



pneumonic form of, 558 



Plague, transmission of, 560 



Plague-like disease in rodents, 562 



Planococcus, 36 



Planosarcina, 37 



Plasmodia, differentiated from coccidia, 



766 



examination of, in fresh blood, 774 

 finer structure of, 772 

 form of, 767 



plasmodium falciparum, 771 

 plasmodium malarise, 770 

 plasmodium vivax, 767 

 life cycle of, 766 



Plasmodium falciparum, morphology 

 of, 771 



Plasmodium malarise, 765 



morphology of, 770. See also Ma- 

 larial Parasites 



Plasmodium prsecox, 763 



Plasmodium tenue, 787 



Plasmodium vivax, 767, 786, 787 

 morphology of, 767 



Plasmolysis of bacterial cell, 23 



Plasmoptysis of bacterial cell, 24 



Plating in isolation of bacteria, 143 



Pleural exudates, bacteriological exam- 

 ination of, 175 



Pleuro-pneumonia, organism of, 542 



Plotz bacillus, cultivation of, 678 



. obtaining of, 678 



Pneumobacillus. See Bacillus mucosus 

 capsulatus 



Pneumococcus, discovery of, 7 

 different types of, 336 



Pneumococcus. See Diplococcus pneu- 

 moniae 



Pneumococcus-streptococcus group, mu- 

 tation, 370 



Pneumonia, complications of, 362 

 lobar, etiology of, 361 

 infectiousness of, 352, 361 



Poisons, bacterial. See Bacterial poi- 

 sons 



Polar bodies, 11 



special stains for, 107 



Poliomyelitis, acute anterior, 664 

 immunity in, 666 

 infectiousness of, 664 



