Index 



401 



wax-glands, 70, 313-14; par- 

 thenogenesis, 88-9 ; viviparity, 



lOI. 



Platypezidx, 262. 



Platyptera, 162, 176-183, 348-9, 



353-4- 



Plecoptera, 183. Se^ also Stone- 

 flies. 



Piectoptera, 163, 197-9, 350-1, 

 355. See also Mayflies. 



Pleura, 21. 



Plume-moths, 236-7. 



Poduridx, 168. 



Poison-glands, 69-70. 



Polar bodies, 86-8. 



Polar cells, 100. 



Polynephria, 164. 



Polyommatus, 129-36,139-40,327. 



Pompilid^, 277-8. 



Pond-skaters, 188, 289. 



Post-antennal organ, 165. 



Post-scutellum, 21. 



Prsescutum, 21. 



Praying-insects, 174. 



Prey, insects of, 305-7. 



Primary epoch, insects of, 352-5. 



Primitive streak, 90-93. 



Proctodium, 65, 96- 



Proctotrypida;, 275. 



Pro-legs, 94, 107-8. 



Pronucleus fmale and female), 96. 



Propodeum, 268. 



Protective devices and secretions, 



3i'-«5- 



Protective resemblance, 315-20. 



Prothorax, 21. 



Protocerebron, 36, 93. 



Protoplasm, 4; of egg, 84. 



Pselaphids, 209. 



Psocida;, 180-2. See also Book- 

 lice. 



Psychida;, 233-4. 



PsychodidsE, 257-8. 



Psyllida;, 195. 



Pterophoridas, 236-7. 



Pterygogenea, 164. 



Ptinidje, 219. 



Pulicidx, 255. See also Fleas. 



2 



Pulvillus, 26. 

 Pupa, 1 16, 1 18-21 , I 26. 

 Puparium, 120-1, 253. 

 Pupipara, 267. 

 Pyraiids, 237-8. 

 Pyrameis, 153. 

 Pyrochroid^, 222. 

 PyrrhocorinjB, 188. 



Queen wasps and bees, 332-5 ; 

 termites, 339. 



Radial nervures, 27, 172, 228-9, 

 252. 



RaphidiidjE, 203. 



Rectum, 64. 



Recurrent nerve, 34. 



ReduviidsE, 189, 255. 



Regions, zoological, 297-8. 



Relationship between animals, 1-2, 

 128-9; between orders of in- 

 sects, 344-63 ; between insects 

 and other arthropods, 363-78. 



Reproduction, 125-6; organs of, 

 72-83, 99-100. 



Respiration, 61 . 



Retina, retinula, 39. 



Reversion of embryo, 92. 



Rhabdom, 37-8. 



Rhipidophorids, 222-3. 



Rhyacophilidz, 227. 



Rhyphidx, 258. 



Root-eating insects, 302. 



Rove-beetles, 209, 297. 



Royalties, 340. 



Saldice, 189. 



Salivary glands, 67-9. 



Sarcophagina;, 266. 



Sarcopsyllida;, 255. 



Sarcolemma, 49. 



Saturniida;, 246. 



Satyrina;, 155, 250. 



Sawflies, 270-2; jaws, 13-14; 

 poison-glands, 70 ; kidney- 

 tubes, 71 ; parthenogenesis, 88 ; 

 embryo, 97; larvs, 108. 



Scale-insects, 196-7; wax glands, 

 C 



