INDEX TO SYSTEMATIC NAMES 
851 
Myxilla 
Myxine glutinosa 
Myxinidae 
Myxobolidae 
Myxobolus lintoni 
Myzopseltaferruginea. . . 
Naiidae 
Nanmoia car a 
N araganseta cor alii 
Narcobatidae 
Nassa obsoleta 
Nassa Iriviltata 
Nassa vibex 
Nassula microstoma 
Nassula nofata 
Natica clausa 
Natica pusilla 
Naticidae 
Naucrates ductor 
Naushonia crangonoides 
Naulilograpsus minuius . 
Nectonema agile 
N ectonema agilis 
N ectonereis megalops .... 
N emalionaceae 
Nemalionales 
Nemalion multifidum. . . 
Nemastoma Bairdii 
Nemastomaceae 
N emathelminthes 
Nematobothrium 
Nematoda 
N emeries socialis 
N emeries viridis 
Nemertinea 
Nemopsis bachei 
Neoliparis atlanticus. . . . 
N eoliparis montagui 
N eomaenis analis 
Neomcenis apodus 
Neomcenis ay a 
Neomcenis blackfordi 
Neomcenis griseus 
Neomcenis jocu 
Neomysis americana. . . . 
Neopanope texana sayi . 
Nephthydidae 
Nephthys bucera 
Nephthys ciliata 
Nephthys incisa 
Nephthys ingens 
Nephthys picta 
Neptune a curia 
Neptunea pygmaza 
Neplunus sayi 
Nereid ae 
Nereis alacris 
Nereis arenaceodentata . 
Nereis dumerilii 
Nereis limbata 
Nereis megalops 
Nereis pelagica 
Nereis virens 
Neroeila munda 
Nesippus alatus 
Nettion carolinensis . . . . 
Nettion crecca 
Neuroptera 
Page. 
N ever ita du plicaia 724 
Nicolea simplex 627 
Nicomache dispar 629 
Ninoe nigripes 623 
Nitzschia clegans 585 
Nitzschia elongata 585 
Nitzschia papillosa 585 
Nodularia Harvey ana 798 
Nogagus Laireillii 642 
Nomeus gronovii 754 
Nostocaceae 798 
Nothria conchylegia 622 
Notomastus filiformis 629 
Notomastus luridus 629 
Notonecta undalata 676 
Nucula delphinodonta 686 
Nucula proxima 685 
Nucula proxima ovata 686 
Nuculidae 685 
Nyctiphanes norvegica 663 
Nymphon grossipes 677 
N ymphonid ae 677 
Nyroca afflnis 779 
Nyr oca americana 779 
Nyroca mar ila 779 
Nyroca vallisneria 779 
Obelia bicuspidata 570 
Obelia bidentata 570 
Obelia eommissuralis 569 
Obelia congdoni 570 
Obelia diaphana 569 
Obelia dichotoma 569 
Obelia divaricata 570 
Obelia flabellata 569 
Obelia gelatinosa 570 
Obelia geniculata 569 
Obelia Ion gissima 570 
Obelia plana 569 
Obelia poly gena 570 
Obelia pyriformis 570 
Oceania lan guida 568 
Oceania singularis 568 
Oceanites oceanicus 778 
Oceanodroma leucorhoa 778 
Octobothrium denticulatum 582 
Octocotyle major 585 
Octocotyle scombri . 585 
O do plenum a fine 582 
Octopus granulatus 728 
Ocypoda arenaria 675 
Ocypode albicans 675 
Ocypode quadrata 675 
Ocypodidae 675 
Ocyurus chrysurus 757 
Odonata 676 
Odontomya 676 
Odontosyllis lucifera 615 
Odostomia bisuturalis 717 
Odostomia bushiana 716 
Odostomia dealbata 717 
Odostomia fusca 715 
Odostomia hendersoni 716 
Odostomia impressa 716 
Odostomia modesta 717 
Odostomia prod-ucla 715 
Odostomia seminuda 716 
Odostomia trifida 716 
CEdiceridae 651 
Page. 
559 
734 
734 
556 
556 
772 
634 
575 
626 
739 
710 
708 
710 
554 
554 
724 
724 
724 
751 
666 
675 
594 
594 
621 
813 
813 
813 
829 
829 
592 
585 
592 
590 
590 
590 
564 
765 
765 
757 
757 
757 
757 
757 
757 
663 
673 
619 
619 
619 
619 
619 
619 
708 
708 
672 
619 
621 
620 
621 
621 
621 
619 
620 
65S 
643 
779 
779 
676 
