INDEX. 



297 



262, 



204, 



[See 



Poduridse, 66. 

 Polymorphism, 218. 

 Pompilidse, 241. 

 Pompilus formosus, 241. 

 Popular nomenclature, 9. 

 Post-embryonal development, 266. 

 Potato-beetle, 145, 150. 

 Poulton, 198. 



Preservation of structures, 225. 

 Primitive Hemipteron, 284. 



rings, 16. 



Prionidus cristatus, 124. 

 Prionus coriarius, 56. 

 Proboscis, 161, 164, 252, 260, 



265. 

 Proctotrupidae, 113, 233. 

 Progression of types, 50. 

 Progressive modifications, 41. 

 Prop-legs, 177, 183, 193, 199, 



205, 231, 233, 259. 

 Protective coloring, 106, 219. 

 Prothorax, 97, 106, no, 123, 127, 



138, 151, 163, 166, 168, 242, 



Descriptions of types.] 



postscutellum of, 13. 



praescutum of, 13. 



scutellum of, 13. 



scutum of, 13. 



sternum of, 14. 



Pseudo-sessile abdomen, 251, 263. 



Pseudova, 136. 



Psocidae, 97. 



Psocus lineatus, 97. 



Pteronarcys, 90. 



Pterophoridae, 113. 



Pulicidae, 268. 



Pulvillus, 27. 



Pulvinaria innumerabilis, 138. 



Pupa, 56, 134, 150, 151, 154, 159, 160, 



173, 174, 199, 200, 202, 208, 211, 213, 



217, 231, 237, 239, 259, 261-263, 268, 



270, 271, 279, 281, 283, 285. [See 



Descriptions of types.] 



pseudo, 158, 160. 



Pupae, active, 277. 



quiescent, 277. 



Pupipara, 271, 285, 286. 

 Pyrethrum powder, 128. 



Quiescence, 277. 



Quiescent pupal stage, introduction 

 of, 62. [See Pupa.] 



Kadiata, 12. 

 Rat-tailed larva, 265. 



Rectal glands, 35. 



Rectum, 35. 



Reduviidae, 124. 



Reinhard, 250. 



Replacement, law of, 284, 286. 



Reptiles [Triassic], 28. 



Resemblances of moth and humming- 

 bird, 210. 



Respiratory filaments, 58. 



system, 38. 



tubes, 261. 



Retina, 21. 



Retinal purple, 21. 



Retinulae, 20. 



Rhopalocera, 212. 



Rhynchophora, 168. 



Riley, 42, 43, 103, 133, 138, 158, 168, 

 191, 205, 207, 225, 236, 242, 281. 



Robber-flies, 262. 



Rocky Mountain locust, 24, 42, 109. 



Rolleston, 104. 



Romalea microptera, 8. 



Romanes, 97. 



Rose-bug, 151. 



Ruby- throated humming-bird, 210. 



Ryder, 225. 



S. 



Salivary glands, 35. 



Saltatorial Orthoptera, in, 282. 



Sand-wasps, 241. 



Saperda Candida, 163. 



Saw-flies, 231, 244, 247. 



Scale-insects, 138, 143. [See Cocci- 



dje.] 

 Scarabaeidae, 147, 151. 

 Scarabaeus, 151. 

 School cabinets, 15, 121. 

 Scolopendrella, 48. 

 Scorpion-fly, 176, 177. 

 Scorpions, 12, 47. 

 Scudder, 22, 24, 33, 43, 49, 59, 71, 104, 



183, 188, 191, 203, 212, 216, 221. 

 Scutellera, 116. 

 Scutelleridae, 126. 

 Scutellum, mesothoracic, 15, 116, 120, 



124, 126, 146, 188, 223, 249, 264, 265. 

 Sebaceous gland, 37. 

 Secondary larval forms, 221, 273, 280. 



281, 286, 287. 



stages, 221, 276, 278, 282. 



Secondary specializations, 58. 



sutures, 16. 



Second series of orders, 54, 276, 285. 

 Segmentation, 16, 138. 

 Selandria cerasi, 231. 



