INDEX. 



401 



chap, iv., 150. Analogies with 

 Ptilota, 153. Fossorial, 176. 181. 



Hypocephalus armatus, 268. 



Hvpoderma, 376. 



Hystrix, 119. 



I. 



Ichneumons, the, or Ichneumo. 

 nides, 151, 152. 155. 165. 185, et 

 seq. Proper, 185. 



Imago, the term, 80. 



Inca, 212, 213. 



Infusoria, are minute, 2. 



Insects, natural arrangement and 

 characters of, 1, et seq. 41, et seq. 

 Industry, and almost miraculous 

 works of, 5. Gregarious com- 

 munities of, 5. Five great divi- 

 sions of, 6 — 9. Typical classes of, 

 45. Definition of an insect, 46. 

 On the winged insects, 47, et seq. 

 No trine of insects absolutely do- 

 mestic, 50. Systems of entomo- 

 logy, 41, et seq. 55. The singing 

 insects, 126—132 Of aculeated 

 insects, 155. 158. 171. 176. Pulmo- 

 nary apparatus of certain apte. 

 rous, 3S0, 381. 



Intestinal worms, simple structure 

 of this class, 7. Their varieties 

 and habitation, 27. 



Ips, and other tribes, of which the 

 bark of trees is the habitat, 267. 



Ischnocera, antennje of, 166. 



Ischnostoma, 211. 



Issus, the genus, 135. 



liiliform caterpillars, 64. 68. 72. 



lulodis, ot Africa, 246. 



lulus, 10. 58. 



J. 



Java, insects of, 85. 96. 

 Joppa, the genus, 185. 



Ladybird, the, Coccinella, 149. 202. 



Lamellicornes, family of Coleop- 

 tera, 115.201. 207, etsefj. Ana- 

 logies of the typical with other 

 groups, 240. 254. 281. 



Lamia, the genus, 277. 



Lamiadae, analogies of the, 293. 



Lamprima, splendour of, 243. 



Lampriminse, the, 241. 



Lampyridas, the glow-worms, 319. 



Land crabs, 389. 



Languria, 316; 



Lantern-flies, or FulgorzE, 135, 136. 



Larrida;, genera of, 181. 



LarvEe of insects, notices of the,49. 

 58. 63. 67. 94. 97. 106. 141. 151. 

 156. 204. 211. 334. 339. 355. Pri- 

 mary types of larva, 57—64. lu. 

 liform type, pre-eminent, 58. 63, 

 64. Aberrant types of, 65, et seq. 

 Analogies of the larvje of the 

 Lepidoptera to the Annulosa, 72. 

 Representations of, 73 . 



Lebia, 261. 



Ledra, the genus, 1.34. 



Leech, the medicinal, 21. 



Leeches, 6. 18. 



Leiodes, 268. L. cinnamomea, 268. 



Leodice, head free and porrect, 25. 



Lepidoptera, 9. 56. 80 Characters 

 of, and metamorphosis, 48. Pupa 

 active, 48. &c. Analogy of, with 

 birds, 49. With quadrumana or 

 quadrupeds, 50, Crepuscular 

 Lepidoptera, 60. The diurnal, 63. 

 92. 205. &c. Have the longest 

 caterpillars, 69. Analogy of 

 to the Annulosa, 72. Chap, iii., 

 of the Lepidoptera, 82. et seq. 

 Aberrant group of, 93. Affinity 

 of Cicades to, 12.^. Analogies o'" 

 204. 



Lepisma, 63. 94. 



Lepitrix, a remarkable beetle, 212 



Leptura, 278. 



Lepturidas, the, 275. 



Lepturinse, analogies of, to tl» 

 Lamiadee, 293. 



Lestes, its brilliant wings, 339. 



Lethrus, its food the vine, 230. 



Leucophasia, the genus, 85. 90. 



Leucospis, ovipositor of, 187. 



Libellula, its large eyes, 339. 



Libellulidffi, the, 337. 



LibellulinfB, the, 338. 



Lice, of, 379. Bird-lice, 61. Plant- 

 lice, 112. 114. 128. 141. 



Licinia amphione, 87. 90. 



Licininse, butterflies, 89. 



Limulus, extraordinary form of, .392. 



Lissonotinse, the, 289. 



Lithosiadae, day moths, 106. 



Lobster, the, 391. 



Locusta, the genus, 337. 



Locustinae, the, 348. 



Longicorn coleoptera, 123. 



Looper moths, 86. 107. 204. 



Lucanidee, 136. 207. 240. 274. 

 276. 



Lucanus, parallelopipedal, 242,243. 



Ludius fulgens, 247. 



Lumbricina, 26. 



Lumbricus, or earth-worm, 22, 23. 



Lycffina, 91. 



Lycidice, a genus of Kunicida, 25i. 



Lycus, 321, 322. 332. 



Lygai, the, 117.120. 



Lygaeus equestris, 120. 



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