INDEX 



579 



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

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

 10, 19 ; alimentary canal, 11 ; nervous 

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

 muscles, vascular system, 15 ; haemo- 

 coele, 22, 23 ; body-cavity, 16, 22 ; 

 nephridia, 16, 17, 22 ; reproductive 

 organs, 18 ; development, 10, 19, 20, 

 22 ; species, 23 ; distribution, 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, 510 



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, 276 



Phasmidae, 201 1 407, 260-278, 277 



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 ; of Brachytrypes, 

 332 



Phosphorescent Myriapods, 34 ; may-flies, 

 442 



Phragma, 103, 491 



Phryganea grandis, 422 ; P. pilosa, pupa, 

 477 



Phryganeidae, 398, 473 f. 



Phryganeides, JfSO 



Phylliides, 267, 278 



Phyllium, 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 



Phyllotlromiides, 240 



Phymateus, 303 



Phytophagous Parasitica, 522, 546, 547, 

 557 



Pick, of death-watch, 391 



Pictet on nymphs of Ephemeridae, 433 



Pleris, 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 



Plan tula, 105 



Plateau, on marine Myriapods, 30 ; on 

 digestion, 127 ; on sight, 416 



Platephemera antiqua, 48 



Platyblemrnus lusitanicus, 339 



Platycleis grisea, 312 



Platycnemis, 413 ; P. pennipes, 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 W. Indian Myriapods, 33 



Podacanthus wilkinsoni, 272 



Podagrion, parasitism of, 546 



Podeon, 491 



Podura, 194 ; P. aquatica, 194 



Poduridae, 190 



Poecilimon affinis, 200 



Poisers, 108 



Poison-claws, 36, 58, fiO 



Poletajewa, Olga, on dorsal vessel, 133 ; 

 on Odonata, 414 



Polistes lanio, parasite of, 564 



Polycentropus, 483 



Polydesmidae, 34, 36, 44, 76 



Polydesmus, 36, 39, 44 



Polymitarcys, 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 



Potamanthus, 433 



Potts on Mantis, 249 



Ponlton on Paniscus, 556 



Praescutum, 100, 101 



Praon, 550 



