INDEX 



579 



Peripatoides, 24 n. 



Peripatopsis, 24: n. 



Peripatus, 1, 6, 23, 77, 79 ; tracheae, 3, 

 14, 15 ; affiuities. 4 ; external features, 

 5 ; head, 6 ; tail, 6 ; colour, 6 ; jaws, 

 7 ; legs, 8 ; habits, food, 9 ; breeding, 

 10, 19 ; alimentary canal, 11 ; nervous 

 system, 12, 22 ; body-wall, 13 ; muscles, 

 vascular system, 15 ; haeniocoele, 22, 23 

 body-cavity, 16, 22 ; nephridia, 16, 17, 

 22 ; reproductive organs, 18 ; develop- 

 ment, 10, 19, 20, 22 ; species, 24 ; dis- 

 tribution, 24-26 



Periplaneta americana, 236 ; P. austral- 

 asiae, 221, 236, 239 



Periplanetides, 241 



Perisphaeriides, 241 



Perla, anatomy, 403 f. ; nymph, 400 ; 

 P. cephalotes, 406 ; P. maxima, 400, 

 406 ; P. parisina, 399 



Perlidae, 398 f. 



Perris on Termes, 366, 374 



Petasia, 303 



Petiolata, 496, 503, 519 



Petiolate, 519 



Petiole, 492, 493, 519 



Petioliventres, 503, 519 



Peyrou on atmosphere in bodies, 131 



Peytoureau on styles of cockroach, 224 



Pezomachus, 556 



Phagocytes, 137, 165 



Phaneropterides, 323, 328 



Pharynx, 114, 124 



Phasgonuridea, 311 



Phasma, 27 Q 



Phasmidae, 01, 407, 260-278, S77 



Phasmides, 278 



Phasmodes ranatrifonnis, 324 



Philopotamus, 483 



Philopterides, 346, 350 



Phonation, 200, 257, 302, 306 ; of Acri- 

 diidae, 284, 304 ; of Locustidae, 318, 

 319, 320, 324, 327 ; of Gryllidae, 331 f. ; 

 of Gryllotalpa, 334 ; oi Brachytrypes, 332 



Phosphorescent Myriapods, 34 ; may-flies, 

 442 



Phragma, 103, 491 



Phryganeagrandis, 422; P.jw7osa,pupa,477 



Phryganeidae, 398, 473 f. 



Phrvganeides, 480 



Phylliides, 267, 278 



PhyUium, 262, 263, 267 f. ; P. crurifolium, 

 269 f. ; egg-capsule, structure, 271 ; 

 P. scythe, 267, 268 ; egg, 270 ; P. sicci- 

 folium, egg, 265 



Phyllodromia germanica, 229. 236 ; egg- 

 capsule, 229 

 Phyllodromiides, 240 



Phymateus, 303 



Phytophagous Parasitica, 522, 546,547,557 



Pick, of death-watch, 391 



Pictet on nymphs of Ephemeridae, 433 



Pieris, palpus, 122 ; instars, 156 ; para- 

 sites 561 

 Pigment, of iris, 98 ; retinal, 98 

 Pillared eyes, 430 

 Pimpla, 553, 557 

 Pimplides, 557 

 Pitfalls of ant-lions, 455, 459 

 Planipennia; 342 

 Plantula, 105 

 Plateau, on marine Myriapods, 30 ; on 



digestion, 127 ; on sight, 416 

 Platephemera antiqua, 428 

 Platyhlemvnis lusitanicus, 339 

 Platycleis grisea, 312 

 Platycnemis, 413 ; P. pen7iip)es, 413, 417 

 Platycrania edulis, egg, 265 

 Platygaster, embryology, 536 

 Platyptera, 174 

 Platypterides, 259, 344, 428 

 Plecoptera, 175, 407 

 Plectoptera, 174, 442 

 Plectopterinae, 241 

 Pleura, abdominal, 493 

 Pleuron, 88, 91, 100 

 Plica of earwig, 209 

 Pneumora scutellaris, 302 

 Pueumorides, 299, 302, 309 

 Pocock on Myriapods, 33, 80 

 Podacanthus ioilkinsoni, 272 

 Podagrion, parasitism of, 546 

 Podeon, 491 



Podura, 194 ; P. aquatica, 194 

 Poduridae, 190 

 Poecilimon affinis, 200 

 Poisers, 108 



Poison-claws, 36, 58, 60 

 Poletajewa, Olga, on dorsal vessel, 133 ; 



on Odonata, 414 

 Polistes lanio, parasite of, 564 

 Polycentropus, 483 

 Polydesmidae, 34, 36, 44, 76 

 Polydesmoidea, 80 

 Polydesvms, 36, 39, 44 

 Polyviitarcys, 440 

 Polymorphism, 500, 536 

 Polynema natans, 538 

 Polynephria, 175 

 Polyxenidae, 43, 53, 59, 77 

 Polyxenus, 33, 37, 48, 55, 72 ; transverse 



section, 56 ; sense-organ, 51 

 Polyzoniidae, 44^ 53 

 Polyzonium, 44, 48 

 Pompholyx dimorpha, 518 

 Pompilides, 494 

 Porthetis, 280, 282 

 Post-clypeus, 93 



Post-embryonic development, 154 

 Post-scutellum, 100, 101 

 Potamanthtis, 433 

 Potts on Mantis, 249 

 Poulton on Paniscus, 556 

 Praescutum, 100, 101 



