Limvlus, 95, 389 

 Lineus, 115, 123 

 Lingvla, 169, 174, 177 

 Lingulidae, 176 

 Lipooephala, 190 

 Lypwra, 333 

 Lissoflagellata, 23 

 IdthaTnoeba, 10 

 Lithobius, 310 

 Litlorina, 203 

 Lizzia, 55 

 Lobosa, 9 

 Locusta, 340 

 Locustidae, 339 

 £o%o, 212, 222 

 Longicorns, 361 

 Lophopus, 180, 184 

 Lophyrus, 379 

 Loxosoma, 186 

 Lumliriooiiiorpha, 144, 



150 

 Zumbrious, 34, 140, 144, 



149 

 Lung-tooks, 398 

 Lycosa, 416 

 Lyoosidae, 415, 416 

 ii/ftffl, 359 



Maohilis, 334 

 Macrdbdella, 137 

 Macrogouidia, 23 

 Maorolepidoptera, 352 

 Macrostoma, 334 

 Macrura, 268, 286 

 Mactra, 192 

 Madrepora, 68, 71 

 Madreporic plate, 227, 228 



233 

 Malacobdella, 115, 119, 



122 

 Malaoostraoa, 254, 257, 



279 

 Malpighian tubules, 292, 



312, 325, 328, 335, 



350, 377, 398, 413, 



418 

 Mantidae, 337 

 Mantis, 337 

 Mantispa, 348 

 Manubrium, 53 

 Masaridae, 384 



Mentum, 323 

 Mesoderm, 36, 40 

 Mesogloea, 36, 47, 58, 63, 



72, 79, 93 

 Mesosoma, 390 

 MesoatoTna, 82, 94 

 Metagenesis, 49 

 Metamorphosis, 332 

 Metaphyta, 3 

 Metasoma, 390 

 Metazoa, 3, 36 

 Microcotyle, 111 

 Microgonidia, 23 

 Microlepidoptera, 351 

 Microstoma, 89, 90, 92 

 MUlepora, 58 

 Milleporidae, 57 

 Mimicry, 337, 359, 374 

 Mnestra, 207 

 Moina, 268 

 Mollusca, 35, 79, 81, 



103, 140, 187, 189, 



278 

 Molpadiidae, 251 

 Monooystidae, 34 

 Monocystis, 34 

 Monogenea, 108 

 Monomyaria, 191 

 Monopora, 122 

 Monothalmia, 13 

 Monotus, 81 

 Murex, 203 

 Musca, 370, 375, 380 

 Muscidae, 371, 375 

 Mygale, 409, 415 

 Myriapoda, 310 

 Myrmdeo, 347, 358 

 Myrmeleonidae, 347 

 Mysis, 285, 286, 289 

 MytUus, 190, 192, 193, 



195 

 Myxomycetes, 7, 9 

 Myxospougiaej 45 

 Myzostomidae, 240 



Naibidae, 149 

 Naidomorpba, 144 

 Narcomedusae, 69, 60 

 Natantia, 204 

 Nauplius, 254, 260, 278, 

 279, 286 



lyti'inaius. Old 

 Nemertiues, 79, 90, 115, 



131, 430 

 Nemesia, 415 

 NeoTnenia, 196 

 Nepa, 363, 421 

 Nephdis, 132, 134, 137 

 Nepidae, 363 

 Nerds, 158 

 Neurochord, 148 

 Neuroptera, 342 

 Neurotus, 379 

 Noctiluca, 25 

 Noctuina, 353 

 Non-oalcarea, 36, '41, 43, 



44 

 Nothrus, 420 

 Notodelphidae, 269 

 Notouectidae, 363 

 Nucleus, 1, 10 

 Nuda, 10 

 Nummidites, 15 

 Nyctothenis, 28 

 Nymph, 347 



Obisium, 402 

 Octactiniae, 64, 71, 73 

 Octopoda, 211, 223 

 Omlina, 68, 71 

 Ocylhoe, 222 

 Odontophore, 140, 190 

 Oecodoma, 382 

 Oestridae, 371, 374 

 Oestrus, 375 

 Oligochaeta, 103, 138, 



143, 303 

 Onchidium, 208 

 Onisoidae, 297, 298 

 Onychophora, 300 

 Oonops, 415 

 Oostegopod, 260 

 Opalina, 30 

 Opalinopsis, 31 

 Operculum, 155 

 OpMopholis, 135, 233 

 Ophiuroidea, 224, 233 

 Ophiusidae, 353 

 Opilionina, 416 

 Opisthobranohiata, 205 

 Opsicoettis, 364 

 Orbitoides, 15 

 Orchestia, 292 



