INDEX OF SUBJECTS 



610 



Fhysarum, Key, 351 

 PhysematicUp, characteristics, 345 

 Physiological balance, 19 

 Physiology, 164 

 Phywnionati, Key, 310 

 Phytodinidip, characteristics, 277 

 Phylodinium, Key, 304 

 Phytomastigoda, characteristics, 253 



Key, 297 

 Phytomonadida, characteristics, 279 

 Phytomyxida, characteristics, 328, 330 

 Pigments, 52 



PUeocephalus, classification, 431 

 Pinacio-phora, Key, 342 



rubiconda, Fig. 67, p. 131 

 Pinacocystis, Key, 342 

 Placocista, Key, 361 

 Placus, Key, 406 

 Plagiopogo7i, Key, 403 

 Plagiopyla, Key, 406 

 Plagiopyxis, Key, 360 

 Plagiolomo, Key, 408 

 Plagiotomidae, characteristics, 386 

 PlasniodiiUe, characteristics, 444 

 Plumnodium, 681 



classification, 444 



of malaria. Fig. 120, p. 242 

 Plasmotomy, 340 

 Plastids, 46, 164 

 Plastin, 59, 67 

 Platydorina caudata, Fig. 3, p. 21 



Key, 306 

 Platysporea, characteristics, 454 

 Plectoidse, characteristics, 347 

 Pleodorina illinoisensis, 18 



Key, 306 ^ 

 Pleurocopies, Key, 407 

 Plenromonas, Key, 311 

 Pleuronema chrysalis, Fig. 169, p. 385 



Key, 407 

 Pleuronemida^, characteristics, 384 

 Pleurotricha, Key, 410 



lanceolaia, vitality graph. Fig. 199, 

 p. 472 

 Pleurotrichidse, characteristics, 394 

 Plistophora, classification, 459 

 Ploeotia vitrea, Fig. 69, p. 135 



Key, 307 

 Podoconus, radiolaria, 322 

 Podocyathus, Key, 414 

 Podophrya fixa, cyst. Fig. 5, p. 24 

 tentacles. Fig. 163, p. 372 



sp., Fig. 91, p. 185 

 PodophryidiE, characteristics, 398 

 Poison-fast races, 192 

 Pole plates, 81 



Polyblepharidse, characteristics, 279 

 Polycystid gi-egarine. Fig. 122, p. 246 

 Polycyttaria, characteristics, 344 

 Polykrikos, Key, 303 



schwartzi, Fig. 132, p. 273 

 Polymastigida, characteristics, 292 

 Polymastix, Key, 312 



Polymastix, parabasal Fig. 47, p. 96 

 Polyspondylium, Key, 350 

 Polyslomella, classification, 357 



crispa, Fig. 119, p. 239 

 Pnlytoma, Key, 305 

 Polytomella, Key, 305 

 Polytomidse, characteristics, 2S0 

 Polytrema, classification, 356 

 Pompholyxophrys, Key, 342 

 Pontigulasia, Key, 360 

 Pontosphcera, Key, 300 

 Porochrysis, Key, 299 

 Porospathidse, characteristics, 349 

 Porospora, classification, 435 

 Porosporidse, characteristics, 435 

 Porpostoma, Key, 408 

 Poteriochromonas, Key, 300 

 Poteriodendron, Key, 309 



petiolatum, Fig. 139, p. 290 

 Pouchetia, Key, 303 

 Primite gregarines, 423 

 Promitosis, 113 

 Propogation cells, 549 

 Propogative reproduction, 424 

 Prorocentrum, Key, 304 



micans, Fig. 129, p. 269 

 Prorodon armatus, Fig. 165, p. 378 



farebus, Fig. 165, p. 378 



grisetis, Fig. 13, p. 35 



Key, 403 



niveus, Fig. 165, p. 378 



teres, Fig. 165, p. 378 

 Proteomyxa, characteristics, 324 

 Proteosoma, classification, 444 

 Proterospongia, Key, 309 

 Proterythropsis, Key, 303 

 Protista, 18, 248 

 Protochrysis, Key, 302 

 Protodinifer, Key, 303 

 Protomastigida, characteristics, 288 

 Protomerite, 246 

 Protomonas, Key, 350 

 Protoniyxa, Key, 350 

 Protodpalina, Key, 401 

 Protophrya, Key, 402 

 Protoplasm, 164 

 Protoplasmic consistency and form, 29 



structure, 39 

 Prolopsis, Key, 303 

 Prototrichia, Key, 353 

 Protozoa, classification, 248 



definition, 17 



distribution, 23 



form relations, 29 



limitations of, 18 



size variations, 27 



soil, 25 



types of, 22, 23 

 Protrichomonas, Key 312 

 Prowazekia, sp., parabasal. Fig. 47, p. 



96 ■ 

 Prunoidae, characteristics, 344 

 Prunophractidse, characteristics, 347 



