850 



Index of Subjects 



Plague, death-rate, 583 

 diagnosis, 594 



experimental infection with, 389 

 fleas, 600 

 breeding habits, 602 

 life history, 600 

 longevity, 601 



method of extermination, 602 

 table for identification, 604 

 varieties, 600, 601, 602 

 group of micro-organisms, 604 

 history, 578, 582 

 immunity against, 598 

 active, 598 



HaflEkine prophylactic in, 599 

 passive, 599 

 mode of infection with, 590 

 mortality, 583 

 pneumonia, 485, 590 

 postmortem appearance in, 595 

 quarantine in, 597 

 rat extermination in, 597 

 sanitation in, 595 

 specific organism, 584 

 Planococcus, 35 

 Planosarcina, 35 



Plasmodium falciparum, 49s, 507 

 gametocytes in, 508 

 malariae, 495, 5°4- 

 gametocytes of, 505 

 meroblasts of, 504 

 quartanae, 504 

 vivax, 49S, SoS 



developmental cycle of, 500 

 gametocytes of, 501 

 Plasmolysis, 31 

 Plate cultures, 206 



disadvantages, 208 

 Koch's method for, 207 

 leveling apparatus for making, 207 

 Petri dish for, 208 

 Platinum wires for transferring bac- 

 teria, 203, 204 

 sterilization of, 172 

 Pneumobacillus, 481 

 Pneumococcus of Frankel and Weich- 

 selbaum, 464. See also Diplo- 

 coccus pneumonia. 

 of Friedlander, 481. See also Bacil- 

 lus capsulatus mucosus. 

 types of, 475 



methods of identifying, 476 

 Avery's, 478 

 Blake's, 477 

 Krumwiede's and Valentine's 



method, 479 

 Mitchell and Muns', 478 

 Pneumonia, 464 

 b^cteriologic diagnosis, 474 

 broncho-, 485 - 

 catarrhal, 485 

 complicating, 485 

 croupous, 464 

 lesions, 471 

 lobar, 464 



Pneumonia, mixed, 485 



plague, 48s, S90 



sanitation in, 481 



tuberculous, 485 



Poisoning, cereal-, 253 



cheese-, 253 



fish-, 256 



from canned goods, 256 



ice-cream, 253 



meat-, 253 



milk-, 253 



mussel-, 256 



sausage, 254 

 Poisons, food, 252 

 Polar granules of bacteria, 31 

 Poliomyelitis, acute anterior, 393 

 avenues of infection, 397 

 cause, 393 

 characteristics, 394 

 histological changes, 394 

 immunization against, 397 

 possible infective agent, 396 

 transmission, 396, 397 

 virus, 394 

 Polyadenitis, malignant, 582 

 Ponos, 568 



Positive phase of opsonic index, 285 

 Post-mortems on animals, 233 

 Potability of water, 245 

 Potassium permanganate as disinfec- 

 tant, 180 

 Potato as culture-medium, 199 



cultures on, 214 



cutter, Ravenel's, 200 

 Potato-juice as culture-medium, 200 

 Precipitate, specific, 106 

 Precipitation, specific, 123 

 Precipitins, 120, 124 

 Predisposition to infection, 90 

 Pregnancy, diagnosis of, by Abder- 



halden reaction, 145 

 Prescott and Winslow's method'of pre- 

 paring reagent litmus, 200. 

 Presumptive test for purity of water 



244 

 Prophylactic vaccination in t}fphoid 



fever, 64T 

 Proskauer and Beck's method of culti- 

 vating tubercle bacillus, 710 

 Proteins, defensive, 114 

 Proteolytic group of bacilli, 350 

 Protista, 26 

 Protozoa, 47, 49 



classification, 47 



cytoplasm, 49 



encystment, 52 



living, observation of, 164 



movement, 50 



nucleus, 50 



reproduction, 51 



size, SI 



structure, 49 

 Pseudo-diphtheria bacillus, 430, 441, 



447. See also Bacillus hofmanni. 

 Pseudodysentery bacillus, 688 



