INDEX TO SYSTEMATIC NAMES. 
853 
Pelia mutica 
Peltidiidae 
Peneidae 
PencBus brasiliensis 
Peneus brasiliensis 
Pennaria tiarella 
Pennariidae 
Pennella costai 
Pennella filosa 
Pentamera pulcherrima 
Peprilus paru 
Peranemidae 
Peridinidae 
Peridinium digitale 
Peridinium divergens 
Peridinium furca 
Perigonimus minutus 
Periploma papyracea 
Periplomatidae 
Pcrissopus communis 
Peritromidae 
Peritromus emmae 
Perophora viridis 
Perophoridae 
Petasidae 
Petricola pholadiformis 
Petricolidae 
Peiromyzon americanus 
Petromyzonidae 
Petromyzon marinus 
Phacoides filosus 
Phaeophyceae 
Phaeosporales 
Phalacrocoracidae 
Phalacrocorax auritus 
Phalacrocorax carbo 
Phalaropodidae 
Phalaropus fulicarius 
Phalaropus lobatus 
Phascolion strombi 
Phascolosoma ccementanum . . . . 
Phascolosoma gouldii 
Phascolosoma verrillii 
Phialidium languidum 
Phialidium singularis 
Phialium duodecimal 
Philhydrus perplexus 
Philichthys xiphiae 
Philonexidae 
Philorthragoriscus serratus 
Philoscia vittata 
Phocaena communis 
Phocaena phocaena 
Phoca vitulina 
Phocidae 
Pholadidae 
Pholas costata 
Pholas truncata 
Pholididae 
Pholis gunnellus 
Phonorhynchus helgolandicus . 
Phoreiobothrium lasium 
Phoreiobothrium triloculatum 
Phormidium persicinum 
Photidae 
Phoxichilidiidae 
Phoxictiilidium maxillare 
Phoxichilus spinosus 
Page. 
Phoxocephalidae 649 
Phoxocephalus holbolli 649 
Phoxus Kroyeri 649 
Phronima atlantica 648 
Phronima sedentaria 648 
Phronimidae 648 
Phryxus abdominalis 661 
Phycis chuss 770 
Phycis regius 770 
Phycis tenuis 770 
Phyllitis fascia 807 
Phyllobothrium foliatum 5S7 
Phyllobothrium loliginis 587 
Phyllobothrium thy sanocephalum 589 
Phyllodoce catenula 616 
Phyllodocidae 616 
Phyllophora Brodiaei 824 
Phyllophora Brodiaei var. catenata 824 
Phyllophora membranifolia 824 
Phyllopoda 636 
Physalia arcthusa 575 
Physalia pelagica 575 
Physalidae 575 
Physeteridae 781 
Physeter macrocephalus 781 
Phytomastigophora 553 
Pilinia Reinschii 802 
Pimelepturus boscii 758 
Pinnixa chaetopterana 674 
Pinnixa cylindrica 674 
Pinnixa say ana 674 
Pinnotheres maculatus 674 
Pinnotheres ostreum 674 
Pinnotheridae 674 
Pisces 734 
Piscicola rapax 635 
Pista intermedia 627 
Pista palmata 627 
Placobranchus catulus 706 
Plagiostomum morgani 582 
Plagiostomum stellatum 582 
Plagiostomum whitmani 582 
Plagiostomum wilsoni 582 
Planar ia grisea 580 
Planariidae 58° 
Planes minutus 675 
Planocera inquilina 580 
Planocera nebulosa 5S0 
Planoceridae 579 
Platophrys ocellatus 773 
Platybothrium cervinum 587 
Platybothrium parvum 587 
Platyhelminthes 579 
Platynereis megalops 621 
Platyonichus ocellatus 672 
Platy pyxis cylindrica 568 
Plectonema calothrichoides 799 
Plectonema terebrans 832 
Pleonosporium Borreri 818 
Pleurobrachia pileus 579 
Pleurobrachia rhododactyla 579 
Pleurobrachiidae 579 
Pleurobranchaea tarda 704 
Pleurobranchidae 704 
Pleurocapsa fuliginosa 797 
Pleuronectes americanus 77 2 
Pleuronectes maculatus 773 
Page. 
670 
639 
665 
665 
665 
561 
561 
643 
643 
613 
754 
553 
553 
553 
553 
553 
562 
699 
699 
642 
555 
555 
731 
731 
574 
693 
693 
734 
734 
734 
690 
804 
804 
778 
778 
778 
780 
780 
780 
635 
635 
635 
636 
568 
568 
567 
676 
643 
728 
643 
661 
781 
781 
782 
782 
701 
701 
701 
767 
767 
581 
587 
587 
798 
653 
677 
677 
677 
