1887.] 



NATURAL SCIENCES OF PHILADELPHIA. 



467 



Hippopotamus 317 



Hippotherium 310 



Holopus 105 



Holorhaphidota 180 



Homo 359 



Hydra 311, 312, 313 



Hydropsyche 294 



Hyocrinus Ill 



Hydrocena 152, 153 



Hyolites 19 



Ictalurus 9 



Impatiens 324 



Juglandocrinus 107 



Juncus 68 



Kutorgina 19 



Labrosomus 387 



Lacerta 50 



Laemodonra 142 



Lagenopsyche 294 



Laimodonta 142 



Lamna 341, 401 



Laodon 290 



Lemna 157 



Leptsena 19 



Leptoclaudus 290 



Lepus 359 



Liatris 330 



Limnseus 115 



Lithodomus 397, 398, 402 



Lophius 351, 353 



Lubomirskia 163, 180, 270, 271 



Lucina 341, 398, 400, 403 



Lumbricus 49, 50 



Lycosa 383 



Macraucbenia 317 



Mactra 341,398, 401, 403 



Magnolia 155, 156, 332 



Margaritophora 35, 36 



Margmella 399, 404 



Mastodon 309 



Megalonyx 316 



Megalops 24 



Megatherium 316 



Megistocrinus 107 



Melampus 138-143 



Meniscoessus 282, 286 



Mercenaria 897, 398, 403 



Mesoblastuso 85, 89 



Microconodn 291 



Microcystis 124, 125 



Microlestes 282, 285 



Micropterus 23 



Mikrola 53 



Miliolina 55 



Mola 348, 351 



Monoceplialus 16 



Monostonum 24 



Monopteria 35 



Morone 295 



Moussonia 146 



Muraenopsis 365 



Murex 398,403, 404 



Mustelus 358, 350, 362 



Mycteroperca 387, 388 



Meyenia 170, 171, 177-236 



Meyeninae 176 



Mygale 370, 379, 380 



Myidae .. 53 



Myliobatis 341, 401 



Mylodon 316 



Mysia 341, 397, 400, 403 



Myliloconcha 341, 398, 400, 402 



Mytilus 341, 397-400, 402 



Nanina 124-127 



Narcine 362 



Nassa 341, 398, 401, 403, 405 



Natica 341, 397, 399, 401, 404 



Nebela 122, 123 



Nemesia 379 



Neoplagiaulax 285 



Nitella 239 



Nitzschia 



Nonionina...,, 

 Nucleocrinus. 



24 



55 



_ _ ^ 93 



Nucula 341, '398,'*4d6, 402 



Obolella 18 



Odontaspis 341, 401 



Odostomia 51 



Ogygia 12,13, 14 



Omalonyx 136 



Ommastrephes 23 



Omphalotropis 149, 150, 152 



Opeas 131. 132 



Ophiognathus 351, 352, 353 



Ophicardelus 142, 143 



Ornitliorliynchus 334, 335 



Orophocrinus 83, 84. 86, 91, 92, 93, 95 



Orthis 19 



Ostodes 146, 147, 148 



Ostrea 341,397-400, 402 



Oxybaplius 330 



Parmula ...180, 181, 227, 236, 254-260 



Partula 133, 134, 135 



Partulus 133 



Pasithea 54 



Patellipora 11 



Paurodon 289 



Patula 129, 130 



Paurodontidas 289 



Paxillus 146 



Pecten 341, 397-402, 405 



Pectunculus 398, 402 



Pelargonium 154 



Pentremites 83-92 



