1915.] 



NATURAL SCIENCES OF PHILADELPHIA. 



609 



Nemobiiis (Argizala) hebardi 290 



Neoconocephalus fuscomargiiiatus. 289 



procerus 288 



redtenbacheri 288 



saturatus 288,289 



vicinus 289 



Neoplax 47 



Nephi-otoma 465,46-5-467 



dorsalis 465 



eucera -467 



ferruginea 467 



incurva 466, 468 



lugens 466 



macrocera 467 



pedunpulat a 467, 468 



penumbra 467 



vittula 466, 468, 472 



Netuma aulometopon 204 



barbus 206 



dubia 203 



thalassina 204 



upsulonophorus 205 



Nomotettix compressus 98 



cristatus denticulatus 98 



parvus 98 



Notropis hudsonius selene 519 



Noturus flavus 208 



marginatus 308 



Nyctibora glabra 274 



Obliquaria bullata 557 



cyphia 556 



depressa 553 



ellipsaria 553 



fasciolaris 554 



flava 557 



flexuosa 550 



interrupta 550 



lateralis 557 



lineolata 553 



metanevra 556 



nodulata 557 



pallens 551 



obliquata 550 



quadrula 556 



reflexa 554 



retusa -5.56^ 



" rubra 557 



scalenia 555 



sintoxia 558 



sinuata 555 



subrotunda 553 



tuberculata 558 



verrucosa 554 



Obovaria circulus 552 



cordata 558 



ellipsis 553 



lens 553 



levigata 552 



obovalis 558 



olivaria 553 



Obovaria retusa 552 



stegaria .. 554 



striata SSk 



subrotunda 552 



torsa 552 



Ocypode albicans 256 



Ocyurus chrysurus 535 



Odontoscion dentex 538 



Odontostilbe pulcher 530 



Odontoxiphidium apterum 106 



ffigophiiu'oida 45 



Ogcocephalus radiatus 251 



Oligoplites saliens 532 



saurus 532 



Ommexecha germari 283 



servillei 283 



Opheodrys a;stivus, 142, 145-148, 157, 



252 



Ophiacantha 62, 86 



bairdii 84 



bisquamata 62 



lambda 84 



perfida 84 



Ophiacant hella 62 



Ophiacanthidse 62 



Ophiactinina; 68, 69 



Ophiactis 44, 67, 69, 70 



dissidens 67 



parata 67 



Ophiambix 47 



Ophiarachna 83, 84, 87 



incrassata 86, 87 



Ophiarachnella 87 



Ophiarachninse 83, 83 



Ophiarthrum 92 



Ophibolus getulus 113 



g. getulus 115,139,140 



Ophichthus ocellatus 247 



Ophiernus 83 



Ophioa^thiops 74 



Ophioblenna 62 



Ophiobrachion 50 



Ophiobyrsa 50 



Ophiobyrsella 50 



Ophiobyrsinse 47, 50 



Ophiocamax 62 



Ophiocampsis "4 



Ophiocentrus 69 



Ophioceramis 81, 83, 92 



obstricta 65 



Ophiochaita 44,84,85,87 



hirsuta 85 



mixta 84,86 



Ophiochasma 87 



Ophiochiton 88 



fastigatus 86 



lymani 88 



Ophiochitonida; 75, 88 



Ophiochitoninge 88 



Ophiochondrina? 65 



Ophiochondrus 65 



