344 



INDEX OF SUBJECTS 



plasmosome, 246. 



plastic granules in Sporozoa, 144. 



plastogamy, in Sarcodina, go, 97; general, 218. 



Platoum, 106. 



Platydorina, 140. 



Platytheca, 137. 



Plectanidae, no. 



Plectoidida, no. 



Plectophrys, 106. 



Pleuronema, 207 ; irritability, 296. 



Pleuronemidae, 207. 



Pleurotricha, 209. 



Plistophora, 169. 



Podocampidae, in. 



podoconus, 70. 



Podocyathus, 210. 



Podocyrtidae, ill. 



Podolampas, 140. 



Podophrya, reproduction, 198; classifica- 

 tion, 210. 



Podophryidae, 210. 



Podostoma, 106. 



polar bodies, 237. 



polar capsule, 154. 



pole-plates, 262. 



Polydinida, 140. 



Polygastrica, 9. 



Polykrikos, 37, 41; trichocysts, 119; food- 

 taking, 126. 



Polymastigida, 138. 



Polymitus form, 162. 



Polymorphina, 108. 



Polymorphininae, 108. 



Polyceca, 137. 



polyphagous Sporozoa, 142. 



Polyphragnta, 108. 



Polysporocystidae, 168. 



Polystomella, 72, 109; regeneration, 302; 

 irritability, 306. 



Polystomellinae, 109. 



Polytoma, starch, 118; reproduction, 131; 

 classification, 139; irritability, 297, 301. 



Polytrema, 109. 



Polytrichina, 208. 



polyzoic spore, 153. 



Pompholyxophrys, 109. 



Pontomyxa, 106. 



Porodiscidae, no. 



Porospora, 167. 



Porosporidae, 167. 



Poteriodendron, 137. 



primite, 156. 



Prorocentridae, 140. 



Prorocentrum, color, 62 ; flagella, 121 ; 

 inter-relations, 136; classification, 140. 



Prorodon, trichocysts, 175; classification, 

 206; myonemes, 177. 



Protamceba, contractile vacuole, 87, 105. 



protein, Sporozoa, 143. 



Proterospongia, fig. p. 113; classification, 137. 



Protista, 25. 



Protoceratium, 140. 



Protogenes, contractile vacuole, 87, 106. 



protomerite, 144. 



Protomonas, 103. 



Protomyxa, 106. 



protoplasm, of Sarcodina, 67 ; Mastigoph- 

 ora, 113; Sporozoa, 142; Ciliata, 173. 



Protozoa, name, 28; mode of life, 32; old 

 age and immortality, 60 ; economic as- 

 pects, 62; cancer, malaria, etc., 65; sex, 

 211; physiology, 279. 



Prunoidida, no. 



Prunophractida, no. 



Psammosphcera, 107. 



Pseudochlamys, 40, 106. 



pseudoconjugation, 156. 



pseudocyst, 151. 



Pseudodifflugia, 106. 



Pseudonavicella, 151. 



Pseudopodia, 17, 79-86; explanation of 

 movement, 83. 



Pseudospora, 103. 



Pseudosporae, 103. 



Psilotricha, 209. 



psorosperm, 21. 



Pterocephalus, 167. 



Pterospora, 1 68. 



Ptychodiscus, 140. 



Ptychostomum, 207. 



Pullenia, 108. 



Pylobotryidse, 1 10. 



Pylodiscidae, no. 



Pylonidae, no. 



Pyramimonas, 139. 



pyrenoid, 117. 



Pyrophactis, 140. 



Pyrsonympha, 138. 



Pyxidicula, 106. 



Pyxinia, fig. p. 3; 143; classification, 168. 



pyxinine, 143. 



Quadrilonchidae, 110. 



Quadrula, budding, 93; classification, 106. 







Radiolaria, 17; central capsule, 67, 70; pro- 

 toplasmic structure, 69; modifications of 

 skeleton, 77; spore-formation, 95; con- 

 jugation, 96; development, 105; classifi- 

 cation, no. 



