INDEX 



1139 



Petri-dish method of sterilization by mi- 

 gration, 457 



Petschenko, 1035, 1036, 1037 



Pfeiffer, 71, 79, 84, 95 



Phagocytosis, relation of adhesion to, 74 ; 

 in malarial infections, with plates, 

 849 ff . ; in infection with trypanosomes, 

 860 



Phelps, A., 495, 497, 498, 501, 504, 528, 

 529, 536, 541, 542, 548, 550 



Phelps, L. A., 785, 788, 795, 798 



Philip and Haldane, 687, 750 



Phillips, R. L., 537 



Philpott, 476 



Photoautotrophic nutrition, 477, 478-80 



Photomesotropic nutrition, 477, 480 f. 



Photometatrophic nutrition, 477, 481 f. 



Phototrophic nutrition, 477, 478-82 



Phycomycetes other than Sphaerita and 

 Nucleophaga, 1063-68 



Physical properties of the protoplasm, 43- 

 110 {see entries under Protoplasm) 



Physiological gradients, 802-4 



Physiological membranes, 414 ff. 



Physiological regeneration, 773 f. 



Phytomastigophora parasites in Protozoa, 

 1068-70 



Pickard, E. A., 937; fibrillar system, 228, 

 229, 258 



Pierantoni, 972, 1028, 1029, 1030 



Pigment granules defined, 179 



Pijper and Russell, 847 



Pinching, ascribed to centripetal pressure, 

 91 



Pinto and Fonseca, 1044, 1050 



Pitts, R. F, 362, 377, 380 



Pitts, R. F., and Mast, S. O., 53, 54; re- 

 sponses to electricity, 334-41 



Plant and ciliate conjugation compared, 

 617 



Flasmagel, 47 ; see also Ectoplasm 



Plasmalemma, 47 ; physical characteristics, 

 49 



Plasmasol, recent name for endoplasm, 47 



Plasmodia, infectious, 842; rate of repro- 

 duction, 842 f. 



Plasmodium, malarial parasite, 822 f., with 

 plates, 843 ff. 



Plasmodium vivax, life cycle, 577, 578; 

 pathogenicity, 822 ff. 



Plasmosin, 87 



Plate, 939, 1083, 1093 



Platelets, 835 



Plating vs. turbidity test, 467 



Piatt, 79 



Playfair, 905 



Plimmer, 912 



Poisons, effect on O2 consumption, 366 



Poisson, 899 



Polarity, of protoplasm, 84; physical- 

 chemical factors involving change in, 

 85 ; changes and protoplasmic stream- 

 ing, 801 f. 



Poljanskij, J. L., 952 



Poljansky, G., 114, 115, 154, 631, 636, 

 779 



Poljansky, G., and Strelkow, A., 986 



Pollack, 59 



Polygastrica (or Magenthiere), 12 



Polysaprobic type, 5 



Polytoma, inheritance, 743 f., 746, 747 



Popoff, M., 85, 521, 522, 523, 524, 525, 

 787 



Population, growth in cultures as a prob- 

 lem of, 495-97; the initial, 497-99; 

 growth, 544-52 



Postgastriole, 129 



Poultry, coccidiosis in, 824-26 



Powell, 1030 



Powers, P. B. A., 919, 920, 921, 922, 923, 

 1022, 1024; fibrillar system, 236, 237 



Poyarkoff, 953 



Prandtl, 619. 631, 634, 702, 1042, 1053 



Pratje, 588 



Pringsheim, E., 590, 1010, 1064 



Pringsheim, E. G., food, etc., influencing 

 growth, 475, 476, 477, 478, 480, 482, 

 483, 488, 493, 494 



Pringsheim, E. G. and Ondracek, K., 671, 

 679, 687 



Pringsheim, H., 961 



Pronuclei, formation, 632-34; migration, 

 634 f. 



Proske and Watson, 876 



Protein molecules, results of multipolar 

 character, 86 



Proteins, in mitochondria, 118; reserves, 

 160-66, 171, 174; nomenclature com- 

 plicated, 160, 165; terms that should be 

 dropped or restricted, 165; provision of, 

 by rumen ciliates, 983, 984 f. 



Protoplasm, conditions under which ani- 

 mation maintained, 34; physical proper- 

 ties, 43-110; Dujardin's description of, 

 43; physical properties as exhibited in 

 Amoeba, 46-50; colloidal nature, 49 f., 



