INDEX 



715 



Phronima, 403 ; 396 



Phryganea, 487, 487 



Phylactolaemata, 613; 609 



Phyllobins urticae, 457 



Phyllobranchiae, 408 



Phylloceras, 602 ; heterophyllum , 604 



Phyllopoda, 356 



Phyllopodium, 336; 334 



Phyllosoma larva, 415 



Phyllotreta, 495 



Phylloxera vastatrix, 479 



Physalia, 166; 168 



Phytomastigina, 46; 59 



Pieridae, 437 



Pieris, 490, 492 ; rapae, 460 



Pigments, Blood, 133 ; see also Chlo- 

 rocruorin, Haemocyanin, Haemo- 

 globin ; of Crustacea, 342 ; of 

 Haemosporidia, 91 ; of Lepidop- 

 tera, 488 ; of Phytomastigina, 47. 

 See also Chromatophores, Melanins 



Pilema, 179; 180 



Pilidiiim larva, 235; 145, 233, 236 



Pinacocytes, 117 



Pinnate tentacles, 180, 649, 652 



Pinnulary ossicles, 656 



Pinnules, 654 



Piroplasma, 98, 99, 537 



Piroplasmidea, 98 ; 88 



Placenta, of Onychophora, 321; of 

 Salpida, 685 ; of Scorpionidea, 524 



Placocystis, 658 



Plagiostomum lemani, 214 



Planaria, 204; alpina, 208, 213; 

 lactea, 201; lugiibris, 201, 214 



Planorbis, 301, 570 



Planula larva, 152; i, 145, 146, 156, 

 178, 183, 196 



Plasmodia, 11, 86 



Plasmodiophora, 86 



Plasmodium, 36 



Plasmodium, 91 ; 38, 43 ; falciparum, 

 93 ; matariae, 93 ; vivax, 92, 93 



Plasmodroma, 44 



Plasmogamy, 30 n. 



Plasmotomy, 29, 83, 100, 107 



Plastin, 22, 23, 24 



Plastogamy, 36 ; 30 n. 



Platygaster, 458, 459 



Platyctenea, 196 



Platyhedra, 490 ; gossypiella, 490 ; 488 



Platyhelminthes, 198; 2, 130, 197, 

 215, 230 



Plecoptera, 471 ; 444 



Pleodorina, 58; calif ornica, 10 ; illi- 



noiensis, 10 

 Pleopods, 388. See also Abdominal 



limbs of Crustacea 

 Plesiocarls vagicollis, 455 

 Plesiocoris, 476 



Pleurohrachia, ig6 ; pileus, 194 

 Pleurobranchiae, 348 ; 404 

 Pleuron, 332 



Pleuropodite, see Precoxa 

 Plicate canals, 580 

 Plodia, 491 



Plumatella, 606, 6 1 2, 622 ;fungosa, 607 

 Plumidaria, 162; 163 

 Pluteus larva, 632; 632 

 Pneumatophore, 166 

 Pneumostome, of Arachnida, 518; of 



Pulmonata*, 556, 570, 572 

 Podia, see Tube feet 

 Podical plates, 430 

 Podobranchiae, 404 

 Podocorj^ne, 164 

 Podocyrtis schomhurgki, 80 

 Podophrya, 115 

 Podura aquatica, 465 

 Pole capsules, 14, 100 

 Polian vesicles, 637 ; 640, 651 

 Polistes aurifer, 501 

 Poly cells nigra, 214 

 Polychaeta, 264; 261, 263 

 Polycirrus, 263 

 Polycladida, 215 

 Polyclinufn, 680 

 Polydisc strobilation, 180 

 Polyembr^'ony, of Hyrnenoptera, 



446 ; of Polyzoa, 612 

 Polyenergid nuclei, 26 

 Polygordius, 294; 282, 284, 285, 285 

 Polykrikos, 54; 10, 55; schzcarzi, 55 

 Polymastigina, 65 

 Polyp, The, 150; 151, 152, 153 

 Polyphaga, 493, 494 

 Polyphemus, 368 

 Polypide, 606 

 Polyplacophora, 547 

 Polypod stage, 458, 458 

 Polyps, of Anthozoa, 180-93 (Pas- 

 sim); of Hydrozoa*, 153, 154-66 

 " (passim); of Scyphozoa*, 174, 178, 



180 

 Polystomella, 76; 31, 38, 42, 75, 79; 



crisp a, 23, 78 

 Polystomum, 218; 219; integerrimum, 



219 



