3 6 4 



INDEX TO THE GENERA. 



Hydrobiosis, 229 

 Hydrobius, 351 

 Hydrocena, 80 

 Hydroessa, 223 

 Hydrocheilodon, 38 

 Hydroprogne, 32 

 Hydropsyche, 229 

 Hydrostygnus, 152 

 Hydras, 40 

 Hygrochus, 201 

 Hyla, 348 

 Hylastes, 219 

 Hylobasius, 196, 342 

 Hylobia, 189 

 Hymenia, 113 

 Hymenicus, 250 

 Hymenoloemus, 37 

 Hymenosoma 251 

 Hypanthea, 319 

 Hypenodes, 106 

 Hyperammina, 334 

 Hyperosoma, 183 

 Hypeuryntis, 123 

 Hypharpax, 148, 351 

 Hypolycodes, 49 

 Hypotaenidia, 30 

 Hypotagea, 207 

 Hystricia, 126 



IAIS, 264 

 lathrippa, 264 

 Ibacus, 253 

 Icerya, 228 

 Ichmalius, 210 

 Ichneumon, 100 

 Ichneutica, 105 

 Ichthybotus, 231 

 Ichthyocampus, 52 

 Ichthyoneura, 303 

 Icosidesmus, 235 

 Idia, 321 

 Idmonea, 298 

 Idotasia, 215 

 Idotea, 264 

 Idus, 217 

 Idya, 272 

 Ilyodromus, 267 

 Incentia, 211 

 Incisidens, 41 

 Inglisia, 226 

 Inocatops, 174 

 InocatoptfS, 202 

 Inopelonia, 199 

 Inophloeus, 202 

 Inosomus, 218 

 Ipana, in 

 Iphimedia, 259 

 Iphinotus, 260 



Ips. 173 

 Ischalea, 241 

 Ischnochiton, 87 

 Ischnoderus, 184 



Ischyroplectron, 232 

 Isidora, 66 

 Isochasta, 118 

 Isocladus, 263 

 Isocolon, 175 

 Isonomentis, 118 

 Isoplectron, 232 

 Isurus, 54 

 Itamus, 131 

 Ithris, 170 

 Ixodes, 245, 350 



JACULELLA, 334 

 Jaeropsis, 264 

 Janthina, 80 

 Jasus, 253 

 Julus, 235 

 Junonia, 103 



KATHESOSTOMA, 43 

 Kellia, 91 

 Keroma, 328 

 Kcellikeria, 309 

 Krithe, 268 

 Krohnia, 305 



LABIDOCERA, 270 

 Lacon, 352 

 Lasmosthenes, 351 

 Laestrygones, 244 

 Laetmonice, 277 

 Laevilitorina, 79 

 Lafoea, 319 

 Lagena, 337 

 Lagochilus, 78 

 Lagrioda, 188 

 Lamontia, 322 

 Lampadena, 50 

 Lampris, 44 

 Lamprocolletes, 96 

 Lampromitra, 340 

 Lamyctes, 235 

 Lanassa, 280 

 Lancetes, 151 

 Lanice, 280 

 Laoma, 61 

 Laophonte, 271 

 Larus, 33 

 Lasea, 92 



Lasiorhynchus, 219 

 Lasius, 96 

 Lathicrossa, 119 

 Lathridius, 164 

 Latia, 66 

 Latris, 42 

 Latrodectus, 239 

 Lauxamia, 128 

 Leachia, 228 



Leasna, 280 

 Leanira, 277 

 Lebia, 150 

 Lecanium, 227 

 Lecanochiton, 226 

 Lecanomerus. 148 

 Leda, 95 

 Leiolophus, 250 

 Leiopeplus, 188 

 Leioproctus, 96 

 Leiosoma, 246 

 Leis, 165 

 Lenax, 173 

 Lepas, 274 

 Lepeophtheirus, 273:. 

 Leperina, 172 

 Lepidonotus, 276 

 Lepidopleurus, 87 

 Lepidoplois, 48 

 Lepidopus, 43 

 Lepidothynnus, 45 

 Lepidotrigla, 45 

 Lepidurus, 267 

 Lepisma, 350 

 Lepralia, 297 

 Leprea, 345 

 Leptachrous, 192 

 Leptocephalus, 52 

 Leptoceras, 229 

 Leptoclinuin, 55 

 Leptodius, 248 

 Leptograpsus, 249 

 Leptomeris, no 

 Leptomerocoris, 223. 

 Leptomithrax, 247 

 Leptoperla, 231 

 Leptoplana, 306 

 Leptoptilum, 316 

 Leptoscopus, 42 

 Leptothyra, 81 

 Leria, 128 

 Lernasopoda, 274 

 Lernacea, 274 

 Lernanthropus, 273 

 Lestes, 230 

 Lestremia, 135 

 Leucandria, 322 

 Leucania, 104 

 Leucanium, 353 

 Leucascus, 322 

 Leuckartia, 270 

 Leuconopsis, 67 

 Leucosolenia, 322 

 Leucothoe, 258 

 Leucotina, 70 

 Lianculus, 130 

 Licophora, 329 

 Lichenopora, 299 

 Ligia, 265 

 Ligula, 311 

 Ligurinus, 343 

 Liljeborgia, 259 

 Lima, 93 

 Limax, 348 



