190S. 



NATURAL SCIENCES OF PHILADELPHIA. 



665 



Nothria geophiliformis 346 



iridescens 345 



Notomastus giganteus 354 



Notophyllum imbricatum 329 



Notropis ariommus 535 



atherinoides 542 



bifrenatus 530,531 



boops 535 



cayuga 53S 



chalybseus 541 



cornutus 539 



deliciosus 531, 535 



d. stramineus 531 



hudsonins 535, 536 



h. amarus 536 



keimi 533 



photogenis 544, 545 



p. amoenus 545 



procne 531,532 



rubrifrong 542 



urabratilis ardens 545 



whipplii 537,539 



w. analostanus 538 



scabriceps 535, 541 



jejunus 535, 542 



Nuda 124 



Nycliia amondseni 336 



Nycticorax nycticorax ntevius 153 



Ochotona saxatilis 404,405 



Octogomphus 461 



Odocoileus hemionus 404 



macrourus 404 



Odontaspis 65 



Odontochila en'thropyga..505, 506, 511 



variventris 506 



Odontochilina 506 



(Ecanthus nigricomis 402 



niveus 402 



quadripunctatus 366, 402 



(Enas 620 



bicolor 620 



melanura 620 



Oligosoma 118 



Oraalotettix 17 



signatipes 17 



Ommexecha 12 



servillei 12 



Omphalotropis japonica 454 



Onuphidse 345 



Opeas clavulinum 455 



c. kyotoense 455 



heudei 455 



javanicum 455 



OpbeUidffi 354 



Opheodrys 122 



Ophiboliis 122 



Ophidia 119 



Ophidii 119 



Ophiogomplms 461 



Ophioglossum arenarium 457 



Ophisaiirus 117 



Ophryodera boheniaiii 509 



distanti 509 



rufomarginata 506, 509 



Oporornis formosa 155 



Orectolobus barbatus 53 



japonicus 53 



Orophu.s 398 



retiuervis 398 



salicif olia 398 



Orphulella compta 367, 378 



Oplonffischna 461, 462, 468 



armata 460,481 



Orthemis 462,468 



biolleyi 480 



ferruginea 481, 489, 490 



le\as 487,489 



Osceola 122 



Ostrea 6, 7 



Othonna 615 



Ovis canadensis 404 



Oxyechus vociferus 153 



Oxynotus centrina 68 



Pachydiplaxlongipennis. 481 



Palseninema 468, 474 



angelina 489 



desiderata 478 



paulina 489 



Paltothemis lineatipes .481, 487, 490 



Pandion hali;<>tus carolinensis 153 



Panicum condensiim 458 



Pantala 462 



fiavescens....462, 472, 481, 489, 490 



hymenaja 489 



Paracornops 16 



longipenne 16 



Paramecium 441 



Paranarimii mobola 506 



Paraphlebia 461, 467, 468, 487 



hyalina 481 



Parazaptyx 579 



Paratettix toltecus 366, 368, 371 



Pardosa, 160-163, 168-170, 171, 210. 



211, 211, 284, 292, 300-302, 



316 



albomacukita 164,202 



albopateUa 177 



annulipes 164 



atra 164,172,188 



banksi 164, 173, 182 



bilineata 220 



brunnea 164,205 



califomica....l64, 173, 174, 192, 195 



canadensis 164 



coloradensis 164, 1^^ 



concinna 205 



disti.i-ta 164, 173, 174, 192 



dorsalis 164,209 



dromoea 164 



emsrtoni 164, 172, 174 



flavipes \Q>\,179 



florjdana 164 



