Dasypus, genus, 65. 



Dasytes, 324. 



Death's-head moth, 77. 



Death-watch, the, 358. 



Decticus, the genus, 349. 



Deinopsis, and Diglossa, 273. 



Dendrophagus, 285. 



Delphax, curious shape of, 137. 



Demetrius, 261. 



Dentalium, 22. 



Devil's coach-horse, 272. 



Dichaetae, families of the, 375. 



Diopatra, 25. 



Diphtera, moths named, 109. 



Diphucephalae, 218. 



Diptera, two-winged insects, 9. 46. 



56. 79. 366, et seq. 

 Diura Chronos, 347. 

 Dolichoderus of Brazil, 172. 

 Donaciae, and their larva, 283. 

 Dorcadion, 289. 

 Dorcus, the genus, 243. 

 Dorites, 87. 

 Dorsibranches, 20. 

 Dorylida?, the, 175. 

 Dorylus, 175. 

 Dragon-fly, stingless, 48. Aquatic 



in the larva state, 49. 

 Drilus, 332. 

 Dromius, 261. 

 Drones. See Bees. 

 Drypta, 261. 



Dynastes, 216. D. Actseon, 233. 

 Dynastidae, 215. 231, 232. 

 Dynastina?, 224. 233. 240. 

 Dytiscidaa, 115. 192. 195. 250. 254. 



264. 266. 

 Dytiscus, the genus, 250, 264. 



E. 



Earwigs, or Forficulida?, 201. 336. 



Ecdysis distinguished from meta- 

 morphosis, 52. 



Edriophthalma, 391. 



Eggs of insects, of, 54. 79. 112. 132. 

 156. 159. 186. 343. 355, et passim. 



Elaphrus and its sub-aquatic cog- 

 nates, 263. 



Elater, highly luminous, 245, 246. 

 E. sanguineus, 247. 



Elaterinse, the, 245. 



Electrical shock from insects,! 23,1 24. 



Elophorus, genus of water beetles, 

 240. 



Elytra, or sheaths, of the, of insects, 

 81. 191. 196. 255. 321, et passim. 



Embryo, of the insect tribes, 54. 



Emus, the beautiful, 271. 



Engidae, of MacLeay, 251. 



Engis, 267. 



Entomostraca, the, 392. 



Entozoa, intestinal worms, 7. 27. 



Epeolus, variegated cuckoo-bee, 162. 



*. 399 



Ephemera, wings of these insects, 



353, 351. 



Ephemenna?, their brief life, 353. 

 P^pomediopteron, 179. 

 Erotylida?, family, 315. 

 Erotylus, 251. 

 Erpobdella, 21. 

 Errantes,the largest family of Anel- 



lides mesobranchiae, 24. Their 



animal economy, 24. 

 Erycina, of Fabricius, 94. 96. 

 Erycinida?, 94. 96. 

 Eucera, genus, 166. 

 Euglossa, 168. 

 Eulaima, 168. 

 Eulophi, tarsi of the, 187. 

 Eumenes, a solitary wasp, 182. 

 Eunicidae, comprise CEnone and 



Aglaura, also Lycidice, Eunice, 



&c., 25. 



Euphrosyne, 25. 

 Euploea, 92. 

 Eurymus, 89. 



Eurysternus, legs of the, 227, 22a 

 Euterpe, 89. 



Evaniadae, family of, 187. 

 Eyes of insects, some notices of the, 



118. 126. 134. 185. 324. 339. 353. 



380, et passim. 



F. 



Feet of insects, the, 2. 10. 90. 94. 124. 



380. Swimming feet of, 37. 

 Filaments, certain, of insects, 141. 

 Filaria, the most simple of the 



Vermes, 28. 



Flata limbata, of Africa, 84. 

 Flatiria>, family of, 127. Moth-like 



cicadas, 130. 134. 

 Fleas, of, 56. 154. 393. 

 Fleshy processes, 92. 

 Flies, of, 375, et passim. 

 Floral beetles, the, 210. 254. 

 Flowers, list of insects inhabiting, 



267. 



Forficulidze, the earwigs, 201. 336. 

 Formica, stingless, 172. 

 Formicidae, or the Ants, 151. 171. 



Are pugnacious, 172. 

 Formicina, 172. 

 Formicina rufa, 172. 

 Fossores, aculeated, 176-181. 

 Fresh-water insects, 21. 

 Froghopper, the, 127. 134. ^ 

 Fulgora?, analogies of, 135. 136. 

 Fulgorana?, in the circle of the Fla- 



tida;, 135. 



G. 



Galeatus, 121. 

 Galgulini, the, 125. 



