ii86 



SUBJECT INDEX 



Parasite-host relations. See Host-parasite 

 Parasitism, 133 

 Parasitotropism, iioi 



Paratyphoid. See also B. aertrycke, B. enteritidis, 

 B. paratyphosus 



avian, 446 



filtrates, 714 



of guinea pigs, 608 



of rabbits, 629 



of rats, 637 



in sewage and sludge, 370 



toxins, 447 

 Paravaccinia, 518 

 Paresis 



malarial treatment, 698, 1099 



protein therapy, 1098 



Treponema pallidum in, 476 

 Parotitis, 582, 936. See also Mumps 



Particles 

 carbon and quartz and phagocytosis, 862 

 size of and phagocytosis, 866 

 and final equilibrium, 785 

 and rate of settling, 783 

 Pasteur ella vicida, 42 



Pasteurellosis in 

 guinea pigs, 619 

 mice, 624 

 rats, 636 

 Pasteurization, 403-18; 419-36 

 commercial, 408 

 defects, 424, 427, 431 

 Endicott experiments, 407, 425 

 foam and splash in, 428, 430 

 machinery, 418, 419-29. See also Pasteurizers 

 methods, 416, 419 



electropure, 424 



flash, 422 



holding, 419 

 prejudice against, 418 

 safety factor, 408 

 standards for, 406, 434 

 temperature, 405, 407, 431, 432, 434 

 time, 405, 407 



tubercle bacilli, effect on, 286, 406, 407, 433 

 of urban and rural supplies, 418 



Pasteurizers 

 defects in, 427, 431 

 thermometers, 432 

 types 

 continuous flow, 420, 422, 430, 431 

 electric flash, 424 

 in-bottle, 420 

 pocket, 420, 421, 429 

 valveless, 428 

 vat, 419 

 valves, leaky, 419 

 Pathogenicity, 567 



in classification, 127 

 P.D., 786. See also Potential difference 

 Pea plant 

 cross-inoculation groups, 334 

 nodules, 353 

 Pectin, 514 



Pellagra, complement fixation test in, 847 



Pellicle formation, 182, 409 



Penicillium camemhertii, 401 



P. roqueforti, 401 



Pentatrichomonas, 662 



Perihydrase, 276 



PermeabiHty of cell, 21 



and lag, 62 

 Pernicious anemia, CI. welchii in, 367 

 Peroxide, 208 



production by bacteria, 214, 216 

 Pertussis, 943. See also B. pertussis 

 Pestis-bacteriophage, 536 

 Pfaundler thread reaction, 809, 813 

 Pfeiffer 



bacillus, 657, 658. See also H. influenzae, 

 Influenza bacillus 



reaction in yellow fever, 492 

 Pfeijferella mallei, 42, 43 



pH, 148 



and B. anthracis, 293 



and CI. botulinum, 292 



and enzymes, 272 



and heat resistance, 292 



and oxidation, 194 



and oxidation-reduction potentials, 192 



and sewage, 355, 356 



and sludge, 356 



and soils, 352 



and ultra-violet action, 374 



Phage, 525 



Phagocytes 



effect of anilin dyes on, 11 16 



blockade of, 1044 



fixed tissue, 808 



intracellular digestion by, 875 



origin, 872 



Phagocytic indices, 572 



Phagocytosis, 861-69; 870-80; 568, 571, 810 

 free energy 



changes in, 861 



minimum, 863 

 H-ion effect, 862 

 IN Immunity, 870-80 

 Mechanism of, 861-69 

 effect of lanthanum nitrate, 572 

 of particles of carbon and quartz, 862 

 and size of particle, 866 

 surface tension, 861 



temperature and temperature coefficient, 863 

 virulence and electrical charge, 863 

 Wright's technique, 877 



Phagotherapy, 553, 554 

 Phenol, 221 



bacteriophage adaptation to, 534 



coefficient, 75, 302 



Phosphates in soil, 319 

 Phosphorus 



necessary to growth, 280 



in heated milk, 409 



Photosynthesis, 322, 32S 



