INDEX. 



886 



Leptodisous, 37 



Leptomonas, 33 



Leptyohaster, 158 



Leskiinae, 173 



Leucones, 63 



Ligula, 198 



Lima, 261 



Limacidse, 317 



Limacina, 359 



Limacinse, 319 



Limaciniclse, 358 



Limax, 305, 319 



Limioolse, 222 



LimnEea, 307 



LimneeidEB, 307 



LimnaeinfE, 307 



Limpets, 321, 345 



„ cup and saucer, 345 

 „ fresh water, 308 

 „ key-hole, 320 

 ,, slipper, 345 



Linokia, 15,4 



LinckiadjB, 159 



Liuerges, 93 



Lingual ribhon, 288 



Llngula, 246 



Lingulella, 246 



Lingulidae, 246 



Lipocephala, 252 



Lip, 287 



Lithistinffi, 69 



Litliodomus, 267 



Littoriiia, 338 



Littorinidae, 338 



Liver flulce, 191 



Lizzia, 83 



Lobosa, 5 



Locomotion, xix 



LoliginidEB, 374 



Loligo, 374 



Loligopsidae, 375 



Loligopsis, 375 



Loliolus, 374 



Lophomonas, 34 



Lophophore, 237 



Lophopus, 244 



Lottia, 321 



Lovenia, 174 



Loven's larva, 219 



Loxosoma, 240 



Lucernaria, 94 



Xiucernaridse, 94 



Lucina, 274 



LncinidsB, 274 



Lng-worm, 227 



Luidia, 158 



Lumbrioulus, 224 



Lumbricus, 220 



Lunatia, 346 



Lungs, xxiv 



Luponia, 349 



Lymphatics, xxiii 



Lyonsia, 282 



Macoma, 280 

 Macrocyclis, 313 

 Maorostomum, 234 

 MaotridiE, 278 

 Madrepora, 117 

 Madreporic body, 135 

 Magilus, 335 

 Malacobdella, 235 

 Maldanidse, 226 

 Malleus, 265 

 Malpigian vessels, xx 

 Mamma, 346 

 ManajTinkia, 227 

 Manioina, 120 

 Mangelia, 337 

 Mantle, 249 



Maretia, 174 



Margarita, 322 



Margaritana, 271 



Marginella, 327 



Martesia, 286 



Maryna, 40 



Mason shell, 326 



Mastigocerca, 205 



Mastigamffiba, 27, 32 



Mastigoteuthis, 375 



Maturation of egg, xlv 



Meandrina, 119 



Meoonidium, 85 



Mediaster, 159 



Medusa, 78 



Melampus, 306 



Melania, 341 



Melaniidae, 341 



Melaniinae, 341 



Melantho, 340 



Meleagrina, 262 



Melicerta, 204 . 



Mellita, 172 



Meliteea, 123 



Melo, 327 



Membranipora, 242 



Mental characteristics, xxxi 



Mermis, 212 



Mermithidse, 212 



Meroe, 277 



Mesenteron, xi 



Mesoblast, xi 



Mesoderm, xi 



Mesopodium, 249 



Mesostonium, 190 



Metamorphosis, xlvi 



Metapodium, 249 



Metazoa, 49 



Metridium, 113, 116 



Microstomidse, 191 



Microciona, 66 



Mycrophyle, xlv 



Millepora, 89 



Millepore corals, 88 



Miliola, 21 



Mind, xxxi 



Mitra, 329 



Mitridse, 329 



Mnemiopsis, 110 



Modiolus, 266 



Mollusca, 248 



,, bivalve, 252 



„ naked, 295 



„ wing footed, 356 



MoUuscoidea, 236 



Molpadia, 180 



MonaotinellinEe, 66 



Monadidaa, 32 



Monas, 33 



Moner, 3 



Monera, 2 



Monooaulis, 81 



Monooeroa, 205 



Monocystidea, 24, 25 



Monodonta, 323 



Monomastiga, 32 



Monomyaria, 257 



Monosiga, 35 



Mouoxenia, 113 



Montaouta, 279 



Montagua, 299 



Mopsea, 123 



Moroteuthis, 375 



Morphology, 11 



Morula, ix 



Mouth, 287 



MuUnia, 279 



Mulleria, 182 



Mvirex, 330 



MuricidfE, 330 



MuricinsB, 330 

 Muscular tissue, xiii 

 Mussa, 120 

 Mussels, 264 



„ fresh water, 269 

 Mutton fish, 93 

 Mya, 280 

 Mycedium, 117 

 Myidse, 280 

 Myriotrochus, 179 

 Myriozoidae, 242 

 Myriozoum, 242 

 MytilidEB, 266 

 Myxobranchea, 9 

 Myxospongise, 63 

 Myzostoma, 231 



Naiadse, 269 



Naidaj, 223 



Nais, 223 



Naked molluscs, 295 



Nassa, 333 



Natica, 340 



Natural History, i 



Natural selection, liii 



Nautilidae, 368 



Nautilus, 104, 368 



Navicella, 323 



Nectocalyx, 99 



Nectostem, 99 



Nematoda, 207 



Nematogens, 197 



Nemertea, 215 



Nemertes, 216 



Neo-Lamarckianism, Ivi 



Neomenia, 292 



Neomenoidea, 292 



Nephelis, 234 



Nephridia, 251 



Nepthydse, 228 



Neptunea, 331 



Nereidse, 228 



Nereis, 228 



Nerinsea, 342 



Nerita, 323 



Neritidaj, 323 



Neritina, 323 



Nervous tissue, xiii 



Nerves, xxiv 



Neverita, 346 



New England sea-urchin, 169 



Nidorellia, 159 



Noah's ark, 268 



Noctiluoa, 25, 30, 37 



Noctilucidse, 37 



Nonionina, 16, 20 



Noteus, 205 



Notommata, 205 



Nuculidfe, 269 



Nuda, 111 



Nudibranchiata, 295 



Nuclear vescicle, 8 



Nucleolus, viii, xlv 



Nucleus, viii, xlv 



Nucula, 269 



Nummulina, 17 



Obelia, 83 

 Obolus, 246 

 Ootopoda, 369 

 OctopodidBB, 370 

 Octopus, 370 

 Ooyroe, 109 

 Odontophore, 288 

 Odostomia, 342 

 (Esophageal ring, xxvi 

 CEsophagus, xx 

 Oleacinidse, 310 

 Oligoohaeta, 220 

 Oligotrochus, 180 



