1138 



INDEX 



Paratnec'tum (continued) 



cycle, 580 f.; fertilization, 588, 610, 

 615, 616, 617, 626, 636; sexuality in 

 other ciliates and, 687-706 ; heritable 

 effects of conjugation, 762-69; regen- 

 eration, 774 ff ., 793, 798, 799, 802 



Paramecium aurelia, Yale 33 year old cul- 

 ture, 615, 653, 654, 659, 660, 661 

 Johns Hopkins stock R, 615; autogamy 

 654 ff . ; inheritance of mating type in 

 753-58; see also Paramecium 



Paramecium bursaria, sex reactions, 615 

 inheritance of mating type in, 758-61 



Paramecium caudatum, life cycle, 578-81 

 see also Paramecium 



Parasites, parasitic and nonparasitic Pro 

 tozoa, 6, 892 ; ectoparasites, 7 ; endo 

 parasites, 7; pathogenic aspects, 818-29 

 three functional categories, 818; ma 

 larial species, 822 f., with plates 

 843 ff. ; literature cited, 827-29, 878-89 

 immunology, 830-89; physical bases of 

 immunity, 830-42 ; role of immune 

 processes in the development of proto- 

 zoan infections, 843-64; agent of kala 

 azar, 854 f.; trypanosome group, 855- 

 71; intermittent fatal trypanosomiasis 

 in various laboratory animals, 864-71; 

 practical applications of immune reac- 

 tions, 871-76; immunological reactions 

 in relation to classification, 876-78 ; 

 parasitism defined, 890; inclusion in 

 term symbiosis, 891, 892; accidental and 

 facultative parasitism, 894, 895-902 



Parasites of Protozoa, 1009-1113; epi- 

 biotic Schizomycetes, 1010-24; endo- 

 biotic Schizomycetes, 1024-40; Sphaerita 

 and Nucleophaga, 1040-59; parasites of 

 the nucleus of Trichonympha, 1059-63; 

 Phycomycetes other than Sphaerita and 

 Nucleophaga, 1063-68; Protozoa, 1068- 

 89; the genus Amoebophrya Koeppen, 

 1089-93; Metazoa, 1093-95; literature 

 cited, 1095-1113 



Parat, 138, 148, 180 



Park, 547, 548 



Parker, G. H., fibrillar system, 258 



Parker, R. C, 660 



Parker, T. J., 891 



Parnas, 423 



Parpart, A. K., sterility technique, 453 f. 



Parsons, 72, 74 



Parthenogenesis, diploid, 649 



Pascher, 93, 590, 613, 671, 679, 1010 



Pasteur, Louis, 8, 537 



Pathogenicity, certain aspects of, 818-29; 

 problems of virulence and, 818-23; va- 

 riability in strains and in host response, 

 823-26; nutrition and resistance, 826 f. ; 

 literature cited, 827-29; see also Para- 

 sites 



Patten, M., 791 



Patten, R., 119 



Patten, R., and Beams, H. W., 81 



Paulson and Andrews, 874 



Pearl, R., 320, 324, 530, 544, 547, 548 



Pedigreed series, nuclear behavior in, 654 



Pedigree isolation culture and life cycles, 

 527-31 



Peebles, F., 51, 67, 86 



Peebles, F., morphogenesis, 774, 775, 777, 

 778, 779, 780, 789, 799, 802 



Pekarek, 51, 52 



Pellicle, elasticity, 87 



Pellissier, 120, 1021, 1022 



Pelomyxa. Schizomycetes in, 1025-27 



Penard, E., 73, 76, 91, 92, 93, 97; Proto- 

 zoa and other animals, 898, 899, 914, 

 915, 916, 957; organisms on and in 

 Protozoa, 1011, 1025, 1026, 1038, 104l, 

 1042, 1043, 1050, 1052, 1053, 1054, 

 1057, 1066, 1067, 1068, 1075, 1083, 

 1094 



Peranema tricophorum, responses to light, 

 290-95 



Perekropoff and Stepanoff, 912 



Pericytes, cells, 833, 836 



Peritrichida, sexuality, 688; see also 

 Vorticella 



Perla and Marmorstom-Gottesman, 860 



Permeability, surface properties, 64-71; 

 membranes, cells, 64-66, 69; nuclear, 

 66 f. ; vacuoles, contractile, 67-69 ; food, 

 69-71; other types, 71 



Peroxidase, detection of, 384 



Peroxidases, 373 



Perty, 413 



Peschowsky, 223 



Peshpowskaya, 120 



Peskett, G. L., 535 



Peters, A. W., 529, 542, 543 



Peters, J. P., and van Slyke, D. D., 356, 

 385 



Peters, R. A., 362, 377 



Petersen, W. A., 498, 535 



