1182 



INDEX OF SUBJECTS 



Pneumococcus, typing from sputum, 



mouse injection, 461 

 agglutination of peritoneal exu- 



date, 462 

 precipitins in peritoneal exudate, 



463 



by protection experiments, 463 

 Avery method, 462 

 urine, precipitins in, method of deter- 

 mining, 463 

 viability of, 449 

 virulence of, 455 



method of increasing, 456 

 Poisons, bacterial, 234-239 

 endotoxins, 235 

 mode of action of, 238 

 toxins, definition of, 234 

 "x" substances, 237 

 Polar bodies, 11 



Poliomyelitis, acute anterior, 912-918 

 clinical picture, 913 

 epidemiology, 917 

 carrier state, 918 

 fly transmission discussed, 918 

 etiology, 914, 915 



globoid bodies in, 915, 916 

 filtrability of virus, 915 

 immunity, 916, 917 

 spinal fluid in, 913 

 transmission to monkeys, 914 

 transmission to rabbits, 916 

 Polymastigna (order of protozoa), 1073 

 Pompholyx, 1007 

 Phosphorescence, produced by bacteria, 



66 

 Potassium permanganate, disinfectant 



action, 94 



Pour plates, technique of, 175 

 Precipitation, 289 

 precipitins, 290 



absence of in normal sera, 292 

 discovery of, 252 

 specificity of, 290 

 tests, 304 



preparation of bacterial filtrates 

 and protein solutions for, 306 

 theoretical considerations, 292 



Precipitation, precipitins, production of 



precipitating sera, 304, 305 

 Pressure, effect of, on bacteria, 39 

 Protein cleavage by bacteria, 46 

 Proteins, as antigens, 254. See also 

 Antigen of the bacterial cells, 22, 

 23, 25 



racemized, not antigenic, 357 

 Proteolytic enzymes, 48 



method of testing for, 49 

 Proteosoma praecox, 1101 

 Proteus group of bacilli, 640 



agglutination in typhus serum, 642, 



945 

 occurrence of in the normal mouth, 



219 



pathogenicity, 641 

 Protomonadina, 1075 



Cercomonadidae, 1075 

 Protozoa, pathogenic, 1048 

 classification, 1048 

 technique of blood examination for, 



1140, 1143 



Pseudomones, genus, 42 

 Pseudodiphtheria bacillus, 582 

 Pseudoinfluenza bacillus, 501 

 Pseudo-membranes in diphtheria, 567 

 Pseudo-tuberculosis in guinea pigs due 



to B. pestis carviae, 692 

 Ptomaines, 50 



chemical constitution of, 51 

 discovery of, 234 

 Public health management of venereal 



diseases, 556 



Purpura hemorrhagica, clinical differen- 

 tiation from typhus fever, 935 

 Pus, examination of, 207 

 Putrefaction, as a source of energy, 30 



definition of, 50 

 Putrescine, 51 

 Pyemia, defined, 233 

 Pyocyanin, pigment produced by B. 



pyomaneus, 804 

 Pyocyanolysin, 806 

 Pyrogallic acid in anaerobic cultivation, 



183 



Pyorrhea, 1066 

 amoeba in, 1066 



