1893.] 



NATURAL SCIENCES OF PHILADELPHIA. 



587 



Mollisia 147 



Molothrus 46, 63 



Monilia 461 



Monotus 81 



Montague 11a L33 



Myadestes 58, 65 



Myrianida 81 



Mytilidion 450 



Mytilus ^22 



Myxosporium 458 



Nsemacyclus 151 



Natica 220 



Natrix 385 



Nectocrangon 126 



Nectria 129, 443 



Neithea 221 



Nematocareiaus. . . 121 



Neotoma . 16 



Xeolarra 4<i7 



Nephrodium 215 



Nephroma 216 



Nica 124 



Nika 124 



Nikidae 124 



Niptera . 147 



Niteliopsis 468, 477, 478 



Nothosaurus 71 



Notogonia. . . 468,484-486, 488 



Numenhis 36, 61 



Nummularia 144 



Nyctala 41, 61 



Nyssa 137 



(Jdontofusus 221 



Oidemia 33, 60 



Olana 287 



Olor 23, 34 



Onebopborus 217 



Oplopborus 121 



Opbibolu* 385, :;s7 



OpbioboliiH 44H 



Ophiotbeea 364 



Opbisaurus ... 385, 387 



Orbilia 145 



Oreortyx 22, 37 



Ornithurvncbus 7.; 



Orthok*tes 377-382 



Ortbotheeiuni 217 



Orthotriehum 217 



(Jrvzopsis 128, 134 



Ostrva 129. 133 



Otocoris 45, Hi' 



Ottbia L33 



Oxvria 213 



Palaemon . 109, 121 



Palaemonella 124 



Palaemonetes 124 



Palaemonidae 119 



Pandalidae 114 



Pandalus 114 



Pandion 40 



Paunaria 216 



Panopea 222 



Papaver 208, 209 



Paracraugon 126 



Parmelia 216 



Parus 22, 23, 57, 65 



Pasiphaea Ill 



Pasiphaeidae Ill 



Passerella 2:;, 51, 63 



Passerina 52. 64 



Patellidae 285, 286 



Patinella 452 



Patula . 234, 238, 246, 389, 394, 395 



Pedicularis 212 



Pedinogyra 242 



Pedioea/tes 39, 61 



Pelecanus 31 



Peltigera 216 



Pelycosauria 72 



Ponaeidea 108 



Peuaeus 108 



Perisoreus 22, 45, 63 



Perodiims 409-411 



Perognatbu* 404-412 



Pertusaria 216 



Pestalozzia 461 



Petrochelidon 53, 64 



Pbalacrocorax 22, 31 



Pbialea 146 



Pbilouotis 217 



Pholadoruya 222 



Pboma 158 



Phouolite 176 



PhryuoBoma 387 



Pbyllosticta 156, 454-456 



Pbysalospora 447 



Physarum 371 



Physcia. 216 



Pica 23, 45, 62 



Picieorvu* 46, 63 



Pimelite 174 



Piuicola 47, 63 



Pinna 222 



Pipilo 52, 64 



Piranga 52, 64 



Piricularia 462 



Pison 467, 470 



Pisonopsis 468, 469 



Pistillaria 441 



Pityophis 182, 184, 387 



Placodium 216 



Planogyra 246 



Platvlekes 377, 379 



Plenoculus 468, 536-538 



Pleospora 134 



Plesiosaurus 71 



