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 9^, 171. 

 Insects, senses of, xiii. 

 Insects, sexes in, 52. 

 Insects, transformations of, xiv, 50. 

 Insects, wingless, 171. 

 Intestinal worms, 161. 

 Isotoma, 140, 143. 

 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 Crustacea, 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. 



Leuckart 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 Pauropus- 



149. 

 Lubbock, Sir John, on Thysanura, 



133; 'on the origin of insects, 159, 



173. 



Machilis, 128. 



Macrodactylus, 206. 



Macrosila cluentius, 184. 



Magg9t, 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. 

 Melipona, 18. 

 Melitaaa, 193, 207. 

 Melitsea 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. 

 Miiller, Fritz, on ancestry of insects, 



156, 169. 



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

 Murray's discovery of Eophyton 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. 



Neuropterous larvae, 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. 



