58o 



PERIPATUS MYRIAPODA INSECTA 



Pratt, on imaginal discs, 167 



Praying Insects, 242 



Prestu'ichia aquation, 538 



Primary larva, 542 



Primary segmentation, 150 



Prisopus, 272 



Procephalic lobes, 97, 150 



Prochilides, 328 



Prochilus australis, 324 



Proctodaeum, 123, 151 ; in Musca, 124 



Proctotrypidae, 533-538 



Production of sex, 499 



Pro-legs, 514 



Pronotal wing-rudiments, 344, 395 



Pronotum, 88, 100 ; of Xylocopa, 490 



Pronymph, 164 



Propleuron, 100, 489 



Propodeon, 491 



Propodeum, 491, 492 



Proscopiides, 299, 309, 325 



Prosopistoina punctifrons, 435 



Prostemmatic organ, 195 



Prosternum, 88, 100 ; of Vespa crabro, 



491 



Protection, 513, 515 

 Protephemerides, 443 

 Prothoracic dorsal appendages, 443 

 Prothorax, 102 

 Protoblast, 149 

 Proto-cerebron, 118 

 Protocranium, 92, 93 

 Protodonates, 428 

 Protoperlidae, 408 

 Protosyngnatha, 75 

 Prototracheata, ix, 4 

 Proventriculus, 114, 124, 125, 450 

 Psalis americana, 215 

 Pseclra dispar, 466 

 Psenides, 524, 533 

 Pseudoglomeris fornicata, 235 

 Pseudoneuroptera, 34% 

 Pseudonychium, 105 

 Pseudophyllides, 328 

 Pseudo-sessile, 493 

 Pseudotremia, 34, 35 

 Psilocnemis dilatipes, 413 

 Psocidae, 390 f. 

 Psocus fasciatus, 390 ; P. heteromorphus, 



391 



Pteromaliui, 539 



Pteronarcys frigida, 398 ; P. regalis, 402 

 Pteroplistus, 331 

 Pterygogenea, 175, 196 

 Pulvillus, 105 

 Pupa, 157, 169; active, 448, 465, 473, 



479 

 Pupation, of Chalcididae, 550 ; otEncyrtus, 



546 ; of Proctotrypids, 534, 535 

 Pupipara, 143 

 Pygidicrana hugeli, 202 

 Pygidium, 205 

 Pylorus, 127 



Pyramids of Egypt, 462 

 Pyrgomantis singularis, 252 

 Pyrgomorpha grylloides, 303 

 Pyrgomorphides, 303, 309 



QUEEN, 144, 361, 378 



RADIAL cell, 524 



Raphidia, 44'? ', It- notata, 447 ; larva, 

 448 



Raphidiides, 444> 447 



Raptorial legs, 242 f., 257, 463, 484 



Ratzeburg, on Anomalon, 553 ; on tro- 

 clianter, 520 



Ravages of Termites, 388 



Reaumur, on ant-lions, 455 ; on circula- 

 tion of silkworm, 135 ; on galls, 525 ; 

 on may-flies, 438, 441 ; on sawflies, 

 512, 513 ; on spheroidal condition, 164 



Receptaculum seminis, 139, 404 



Rectal, gills, 421 f. ; respiration, 4.35 



Rectum, 125 



Redtenbacher, on migratory locust, 297 ; 

 on wing, of Oligotoina, 353 ; of Termes, 

 359 



Ui'duviid egg, 145 



Reflex action, 250 



Reproduction of lost parts, 213, 265, 

 266 



Reproductive organs of Ephemeridae, 439 



Resemblance, of eggs to seeds, 265, 270, 

 271 ; of one part to another, 208, 266 ; 

 of parasite to host, 532 ; histological, 

 271 ; of Trichoptera to moths, 484 ; to 

 bark, 251 ; to flowers, 254, 255, 256 ; 

 to inorganic things, 253, 304, 307 ; to 

 leaves, 255, 267, 268, 322 f., 323 ; to 

 lichens, 253 ; to other creatures, 235 ; 

 to other Insects, 197, 215, 235, 251, 

 274, 300, 301, 323, 324, 504, 513, 550 ; 

 to vegetation, 200, 260, 274 



Respiration [and respiratory organs], 128- 

 132, 431 ; by integument, 483 ; by 

 setae, 435 ; of nymphs of Odonata, 

 420 f. ; of Perlidae, 401 f. 



Respiratory chamber, 434 



Retiuula, 98 



Reuter on ventral tube, 192 



Rhabdom, 98 



Rhipipleryx, 337, 338 



Rhizotrogus egg-tubes, 138 



Rhodites rosae, 498, 527, 528, 531 ; larva, 

 532 ; parasite, 539 



Rhyacoph Slides, 483 



Rhyacophylax, 482 



Rhyuchota, 175 



Rhyparobia maderae, 237 



Rhyssa persuasoria, 554 



Riley, on caprification, 549 ; on Cephus, 

 505 ; on development of Caloptenus, 288, 

 289 ; on galls, 526 f. ; on Katydids, 

 320 ; on locust swarms, 293 ; on Micro- 





