AUTHOR AND SUBJECT INDEX 



675 



Physomonas, 255 

 Physophaga, 570 

 Phytodiniidae, 229, 233 

 Phytodinium, 233 



simplex, 232, 233 

 Phytomastigina, 4, 17, 18, 19, 21, 

 38, 51, 74, 78, 92, 143, 173-233 

 Phytomonadina, 79, 173, 178, 188- 



201 

 Phytomonas, 244, 250-251 



davidi, 251 



elmassiani, 250, 251 

 Phytomyxinae, 302-303 

 Phytotrophic nutrition, 84, 92 

 Pickard, 55 

 Pieris brassicae, 475 

 Pig, 245, 317, 319, 422, 425, 448, 



575, 576 

 Pigeon, 424, 440 

 Pigments, 25, 37, 65, 79, 80, 184 

 Pileocephalus, 380, 404 



striatus, 402, 404 

 Pimelia, 401 

 Pimephales notatus, 468 

 Pinaciophora, 364 



fluviatilis, 363, 364 

 Piney, 83 

 Pipetta, 373 



tuba, 373 

 Pisania maculosa, 408 

 Pithiscus, 194 

 Pithothorax, 510 



ovatus, 510 

 Placobdella catenigera, 431 



marginata, 248, 400, 427 

 Placocista, 341 



spinosa, 341, 342 

 Placopsilina, 349 



cenomana, 349 

 Placopsilinidae, 349 

 Placus, 508 



socialis, 507, 508 

 Plagiocampa, 506 



marina, 506, 507 

 Plagiophrys, 41, 331 



parvipunctata, 330, 331 

 Plagiopyla, 22, 534-535 



viinuta, 535, 536 



nasuta, 535, 536 

 Plagiopylidae, 531, 534-536 

 Plagiopyxis, 336 



callida, 336, 337 

 Plagiospira, 565 



crinita, 564, 565 

 Plagiotricha, 605 

 Planaria limacina, 493 

 torva, 493 

 ulvae, 493 

 Planorbis cornua, 427 

 Planorbulina, 354 



Planorbulinidae, 354 

 Plants, 250, 251, 290, 303 

 Plasma-membrane, 37 

 Plasmodia, 296 

 Plasmodiidae, 435-439 

 Plasmodiophora, 302-303 



brassicae, 303 

 Plasmodium, 6, 7, 14, 24, 31, 113, 

 138, 435 



cathemerium, 437-438 



circumflexum., 439 



elongatum, 438 



falciparum, 25, 436, 437 



malariae, 436, 437 



nucleophilum, 438 



polare, 438-439 



praecox, 13, 437, 438 



vaughni, 438 



vivax, 146, 435-436, 437 

 Plasmodroma, 171-480 

 Plasmogamy, 458 

 Plasmosome, 33 

 Plasmotomv, 140 

 Plastin, 32,' 33 

 Platycola, 625 



longicollis, 624, 625 

 Platydorina, 141, 199 



caudata, 199, 200 

 Platyhelminthes, 451, 490, 493, 555 

 Platynematum, 551 



sociale, 20, 551, 552 

 Platyophrya, 506 



lata, 506, 507 

 Platysporea, 459, 464-468 

 Platytheca, 243 



microspora, 243, 244 

 Plectellaria, 373 

 Plectoidae, 373 

 Pleodorina, 201 



californica, 201 



illinoisensis, 80, 200, 201 

 Pleurocoptes, 558 



hydractiniae, 558 

 Pleurocystis, 384 



cuenoti, 38^385, 386 

 Pleuromonas, 257 



jaculans, 20, 257, 258 

 Pleuronema, 555-556 



anodontae, 556 



coronatum,, 20, 556 



crassum,, 556 



marinum, 556 



setigerum, 556 

 Pleuronematidae, 547, 555-558 

 Pleurostomata, 496, 517-522 

 Pleurotricha, 609 



lanceolata, 135, 608, 609 

 Plistophora, 476 



longifilis, 472, 476, 477 



simulii, 477 



