218 



INDEX 



Patagia, 50 



Paurometabola, 176 



Paurometabolous development, 175 



Pauropoda, 18 



Pauropodidae, 20 



Pauropus huxleyi, 18 



Pectinate, 41 



Pedicel, 41 



I'elobius, 1 20 



Penis, 162 



Pentastomida, 14 



Pentatomidae, 103 



Penthe, prothorax of, 53 



Pe"rez, 92 



Pericardial cells, 164 



Pericardial diaphragm, 163 



Peripatoides nova-zealandica, 4 



Peripatus, I, 4 



Peripheral sensory nervous system, 128, 



129 



Periplaneta orientalis, 107, 127 

 Peripneustic, 115 

 Peripodal cavity, 197 

 Peripodal membrane, 197 

 Peritoneal membrane, 109 

 Peritremes, 52 



Peritrophic membrane, 111, 112 

 Phagocyte, 164, 204 

 Phagocytic organs, 164 

 Phagocytosis, 164, 204 

 Pharynx, 109 

 Phasma, 121 

 Phonapate, 88 

 Photinus marginellus, 165 

 Phragmas, 97 

 Pieces jugulaires, 40 

 Pigment cejls, accessory, 138, 140; 



iris, 140 



Piliferous tubercles of larvae, 35 

 Plasma, 122 

 Plecoptera, 136 

 Pleura, 34 

 Pleurites, 35 

 Pleurostigma*2i 

 Pocock, 17, 21 

 Poduridae, 115 

 Polyembryony, 168 

 Polyxenus, 16, 17 

 Ponitia rapa, 195 

 Pore- plate, 131 

 Porvcephalus, 14 



Postembryonic molts, number of, 172 

 Posterior arculus, 72 

 Posterior lobe of the wing, 61 

 Postgense, 39 

 Postnotum, 50 

 Postphragma, 98 

 Postscutellum, 50 

 Poststernellum, 52 

 Praetarsus, 58 

 Praying mantis, eggs of the, 170 



Preanal area, 75 



Preepisternum, 51 



Prephragma, 98 



Prepupa, 185 



Prescutum, 50 



Presternum, 52 



Primary ocelli, 135; structure of, 137, 



138 



Primordial germ-cells, 158 

 Prionoxystus, wings of, 70 

 Proctodaeum, 108 

 Prolegs of larvae, 78; the development 



of, 182 



Pronotum, 50 

 Prophragma, 97 

 Propneustic, 115 

 Propodeum, 49 

 Propygidium, 75 

 Prothorax, 48 

 Protocerebrum, 47, 124 

 Protura, 26 



Proventriculus, no, 111 

 Pseudocone eyes, 141 

 Pseudo-halteres, 59 

 Pseudova, 191 



Pteronarcys, 120; head of, 136 

 Pterostigma, 74 

 Ptilinum, 190 



Pulsations of the heart, 122 

 Pulvilli, 58 



Pulvinaria innumerabilis, 170 

 Pupa, 1 86 

 Pupae, active, 187; the different types 



of, 190 



Puparium, 190 

 Pupipara, 193 

 Pycnogonida, 10 

 Pygidium, 75 



Radial cross- vein, 71 



Radio-medial cross- vein, 71 



Radius, 64 



Rasping organs, 87 



Rath, O. vom, 132 



Rectum, 113 



Redikorzew, 137 



Regions of the body, 36 



Reighardis, 14 



Reproduction of lost limbs, 173 



Reproductive organs, 156; of the 



female, 157; of the male, 160, 161 

 Respiratory organs, the closed or ap- 



neustic type of. 119; the open or 



holopneustic type of, 114 

 Respiratory system, 113 

 Retina, 138 

 Retinula, 138, 140 

 Rhabdom, 137 

 Rhabdomere, 137 

 Rhyphus, a wing of 65 

 Riley C. V., 171, 177, 187 



