INDEX TO SYSTEMATIC NAMES. 
855 
Prorocentridae 
Prothiostomidae 
Prothiostomum gracile 
Protiara borealis 
Protiara haeckeli 
Protococcales 
Protoderma marinum 
Protozoa 
Protula. 
Proxenetes modestus 
Psammobiidae 
Pseudocytheretta edwardsi 
Pseudodiaptomus coronatus 
Pseudopleuronectes americanus 
Pseudopotamilla oculifcra 
Pseudopriacanthus altus 
Pterogorgia gracilis 
Pterophryne histrio 
Pteroplatea maclura 
Pteropoda 
Pterosyllis cincinnata 
Ptilanthura tenuis 
Ptilocheirus pinguis 
Ptilota elegans 
Puffinus borealis 
Puffinus fuliginosus 
Puffinus gravis 
Puffinus griseus 
Pulvinulina lateralis 
Pulvinulina tumida 
Punctaria latifolia 
Punctaria plantaginea 
Punctaria tenuissima 
Pungitius pungitius 
Purpura lapillus 
Putorius vison lutreocephalus. . . 
Pycnogonida 
Pycnogonididae 
Pycnogonum littorale 
Pygosteus dekayi 
Pygosteus pungitius 
Pylaiella littoralis 
Pyramidella bartschi 
Pyramidella fusca 
Pyramidella producta 
Pyramidellidae 
Pyramis fusca 
Querimana gyrans 
Querquedula discors 
Rachy cent rid ae 
Rachycentron canadus 
Raia diaphana 
Raia eglanteria 
Raja eglanteria 
Raja erinacea 
Raja las vis 
Raja ocellata 
Raja radiata 
Rajidae 
Ralfsiaceae 
Ralfsia clavata 
Ralfsia verrucosa 
Ranella caudata 
Rathkea octopunctata, var. grata. 
Remora brachyptera 
Remora remora 
Remoropsis brachyptera 
Reniera 
Reptilia 774 
Rhadinocladia cylindrica 832 
Rkadinocladia Farlowii 807 
Rhamphostomella bilaminata 605 
Rhamphostomella costata 605 
Rhamphostomella ovata 605 
Rhegmatodes tenuis 571 
Rhinebothrium cancellatum 587 
Rhinebothrium flexile 587 
Rhinebothrium longicolle 587 
Rhinebothrium minimum 587 
Rhinoncmus cimbrius 770 
Rhinoptera bonasus 739 
Rhinoptera quadriloba 739. 
Rhithropanopeus harrisii 674 
Rhizoclonium Kemeri 803 
Rhizoclonium riparium 803 
Rhizoclonium tortuosuin 803 
Rhizomastigidas 552 
Rhizophyllidaceae 829 
Rhizopoda 549 
Rhoda inermis 663 
Rhodine attenuata 629 
Rhodochorton membranaceum 818 
Rhodochorton Rothii 818 
Rhododenmis Georgii 830 
Rhodomelaceae 819 
Rhodomelales 819 
Rhodomela Rochei 822 
Rhodomela subfusca 822 
Rhodomela virgata 823 
Rhodophyceas 813 
Rhodophyllidaceae 825 
Rhodymeniaceae 827 
Rhodymeniales 826 
Rhodymenia palmata 828 
Rhombochirus osteochir 766 
Rhombus paru 754 
Rhombus triacanthus 754 
Rhopalonema typicum 574 
Rhopalonema vrlatum 574 
Rhynchobolus americanus 623 
Rhynchobolus dibranchiatus 623 
Rhynchobothrium agile 587 
Rhynchobothrium attcnuatum 587 
Rhynchobothrium. bisulcatum 589 
Rhynchobothrium brevispine 587 
Rhynchobothrium bulbifer 587 
Rhynchobothrium heterospine 587 
Rhynchobothrium hispidum 587 
Rhynchobothrium imparispine 588 
Rhynchobothrium lomentaceum 588 
Rhynchobothrium longicorne 588 
Rhynchobothrium longispine 588 
Rhynchobothrium speciosum 588 
Rhynchobothrium tenuicolle 587 
Rhynchobothrium tenuispine 588 
Rhynchobothrium tumidulum 588 
Rhynchobothrium wageneri 588 
Rhynchops nigra 777 
Rissa tridactyla 776 
Rissoa aculeus 720 
Rissoa arcnaria 720 
Rissoa exarata 720 
Rissoa minuta 720 
Rissoa stimpsoni 720 
Rissoidae 720 
Page. 
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580 
580 
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800 
801 
549 
631 
581 
693 
637 
638 
772 
631 
757 
576 
774 
739 
703 
615 
658 
653 
818 
777 
778 
777 
778 
55i 
55 2 
807 
807 
807 
746 
7i4 
782 
677 
677 
677 
746 
746 
805 
715 
715 
715 
715 
715 
747 
779 
754 
754 
738 
738 
738 
737 
738 
738 
738 
737 
810 
810 
810 
713 
563 
766 
766 
766 
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