1180 



INDEX OF SUBJECTS 



Pappenheimer 's method for staining 

 Gram positive bacteria in tissues, 131 

 Parasites, defined, 33, 231 

 facultative parasites, 34 



not necessarily pathogenic, 231, 232 

 Paratyphoid-enteritidis group, 686-699 

 differential considerations, within 



group, 669 

 fermentation reactions, chart of, 



690. See also 718 

 differentiation of from B. coli and 



typhoid, 687 



general survey of, 687-689 

 Paratyphoid A, defined, 689 



pathogenicity for man, 696 

 Paratyphoid B, heterologous group, 



698 



pathogenicity for animals, 691-695 

 B. abortus equi, 693 



distinguished from B. abortus 



bovis, 693, 799 



B. enteritidis (Gaertner bacil- 

 lus), 687, 698 

 B. of fowl typhoid (B. sangui- 



narium), 694 

 B. Pestis caviae, 692 

 B. psittacosis, 694 

 B. pullorum, 695 

 B. typhi murium, 691 

 Danysz type, 692 

 hog cholera, 691 

 pathogenicity in man, 697 



meat poisoning due to Gaertner ba- 

 cillus (B. enteritidis), 698 

 clinical picture in, 699 

 typhoid-like fever due to, 697 

 Paratyphoid C, 688 

 preventive measures, 699 

 Paronychia, 391 

 Penicillium, 983 



in cheese, 1043 

 Perez bacillus of Ozaena, 726 

 Peripneumonia of cattle, 10 

 Perlsucht, tuberculosis of cattle, 612 

 Peroxide of hydrogen, as a disinfectant, 



93, 104 



Pertussis bacillus, 504-508 

 antibody production, 508 



Pertussis bacillus, cultivation of, 506 



epidemiology, 504, 505 



morphology of, 505 



pathogenicity, 507 



staining of, 506 

 Petroff's method of isolating tubercle 



bacilli from sputum, 591 

 Petruschky's scheme of the higher bac- 

 teria, S62 



Pfeiffer bacillus, 482. See Influenza. 

 Pfeiffer phenomenon, 251 

 Ph, meaning of, 138 

 Phagocytic index, in opsonic tests, 341 

 Phagocytosis, 330-335 



chemotaxis, 332 



" fixed" cells, 331 



of dead and living matter, 332 



theoretical considerations, 334, 335 

 Metchnikoff's work, 330, 334 



variations in phagocytic response, 333 



variations of susceptibility of bac- 

 teria to, 333 



" wandering " cells, 331 

 macrophages, 331 

 microphages, 331 

 Phenol production by bacteria, 200 



method of testing for, 200 

 Phenol red indicator in hydrogen ion 



determination, 141 

 Phenol-sulphon-phthalein, 141 

 Phenolphthalein method of titrating 



media, 136 



Pharynx, normal bacterial flora, 217 

 Phragmidiothrix, genus, 42 

 Phycomycetes, group of pathogenic 



fungi, 978 



Physical properties of bacteria, 26 

 Pigment formation, by bacteria, 66 



condition necessary for, 67 



red pigment of thiobacteria, 68 

 Piroplasmidae (Faunea), 1131 



clinical observations, 1133 



morphology, 1132 



transmission by ticks, 1133 



life history of the tick, 1133-1135 

 Pityriasis versicolor, 1008 

 Plague bacillus, 807-825 



animal pathogenicity, 815 



