INDEX. 



223 



Hymenopterous larvae, 175. 

 Hyper-metamorphosis of insects, 166. 

 Hyphantria, 204. 

 Hypodermis, 163. 



Ichneumon, 161, 201. 



Illinois, fossil insects of, 159. 



Ilythia, 215. 



Injurious insects, 190. 



Insects, ancestry of, 150. 



Insects, archetypes of, 150. 



Insects, beneficial, 190. 



Insect calendar, 187. 



Insects, embryology of, 154, 155. 



Insects, flight of, ix. 



Insects in the Devonian formation, 



158. 



Insects, metamorphosis of, 166. 

 Insects, origin of, 156. 

 Insects, reason in, 30, 37. 

 Insects, respiration of, 171. 

 Insects, senses of, xiii. 

 Insects, sexes in, 52. 

 Insects, transformations of, xiv, 50. 

 Insects, wingless, 171. 

 Intestinal worms, 161. 

 Isotoma, 140, 14:5. 

 Itch mite, 125. 

 Ixodes, 117, 123. 



Japyx, 132. 



Jaws of insects, origin of, 174. 



Jelly fishes, 168. 



Joint worm, 55. 



Julus, 149, 169. 



Julus, embryology of, 164. 



July, insects of, 206. 



June, insects of, 200. 



Kowaleusky s researches on embry 

 ology of worms, 169. 



Labium, vi, 165. 



Lachnosterna fusca, 202. 



Lachnus, 220. 



Lady bird, 208. 



Larva, cruciform, 175. Leptiform 



175. Two kinds of, 175. 

 Larval skin of crnstacea, 166. 

 Leaf cutter bee, 26, 206. 

 Leaf roller, 188, 197, 205. 

 Leeches, 166. 

 Legs of insects, 173. 

 Leidy, J., on internal parasites of in 



sects, 39, 46. 

 Lepidocyrtus, 144. 

 Lepidopterous larvae, 175. 

 Lepisma, 128. 

 Leptiform larva, 175. 

 Leptus, 120, 155, 159. 

 Lespes, on sense of hearing in in 



sects, xiv. 

 Leucania, 55. 

 Lenckart on embryology of Hirudo 



168. Parthenogenesis, 168. 

 Libellula, 107, 195. 

 Linden-tree insects, 90. 

 Linguatula, 160. 



Lipura, 145. 



Lithobius, 178. 



Locust tree insects, 93. 



Louse, 96, 154. 



Lubbock s discovery of Pauropua, 



149. 

 Lubbock, Sir John, on Thysanura, 



133; on the origin of insects, 159, 



173 



Machilis, 128. 



Macrodactylus, 206. 



Macrosila cluentius, 184. 



Maggot, origin of, 175, 178. 



Mandible, vi. 



Mandibles of moths, 183. 



Mandibulate insects, 183. 



Mange mite, 125. 



Marey on the flight of insects, ix. 



Mason bee, 192. 



Maxillae, vi. 



Maxilla of moths, 184. 



May beetle, 202. 



May fly, 194. 



May, insects of, 192. 



Mazonia, 158. 



Meat fly, 82. 



Meek s discovery of fossil insects in 



Illinois, 158. 

 Megachile, 26. 

 Mel ip on a, 18. 

 Melitaaa, 193, 207. 

 Melitaea Phaeton, 204. 

 Meloe, 21, 42. 

 Metamorphosis of insects, 166, 175; 



origin of, 179. 

 Miastor, 168. 

 Microgaster, 49. 

 Mites, 116, 149. 

 Mosquito, 68. 

 Mosquito hawk, 195. 

 Mouth-parts of insects, origin of, 173. 

 Mucor, 47. 

 Mud dauber, 207. 

 MUller, Fritz, on ancestry of insects, 



156, 169. 



MUller, J., on sight in insects, xiii. 

 Murray s discovery of Eophytou in 



America, 158. 

 Musca, 80, 168. 

 Muscardine, 47. 

 Mycetobia, 73. 

 Myobia, 169. 

 Myriopoda, 149. Ancestry of, 159. 



Nannophya, 114. 



Nauplius, 155, 160. 



Nebalia, 182. 



Nephelis, 166. 



Nephopteryx, 49. 



Nexiropterous Iarva3, 175. 



New Brunswick, fossil insects of, 158. 



Newport, on embryology of Julus, 



164. 



Nicoletia, 131. 

 Nomada, 38. 

 Notonecta, 209. 

 Nova Scotia, fossil insects of, 159. 



