INDEX TO SYSTEMATIC NAMES. 



Page. 



Sipho stimpsoni 708 



Siphonalcs 804 



Siphonceceies cuspidatus 655 



Siphonoecetes smithianus 655 



Siphonorbis pygmaeus 708 



Siphostoma fuscum 746 



Sipunculida 635 



Sipunculidae 635 



Skenea planorbis 721 



Slabbeiia slrangulata 360 



Smittia porifera 605 



Smittia trispinosa 604 



Smittia trispinosa nitida 604 



Solariella obscura 727 



Solaster endeca 607 



Solasteridae 607 



Solecurtus divisus 694 



Solecurlus gibbus 693 



Soleidae 773 



Solemya borealis 687 



Solemya velum 687 



Solen ensis 695 



Solenidae 695 



Solenomya borealis 687 



Solenomya velum 687 



Solenomyidae ' 687 



Somateria dress>eri 779 



Somateria mollissima borealis 779 



Somateria spectabilis 780 



Sorocarpus uvzformis 806 



Sparidae 757 



Sparisoma flavescens 760 



Spatula clypeata 779 



Spermothamnion Turned 819 



Sphacelariacese 806 



Sphacelaria cirrhosa 806 



Sphacelaria radicans 806 



Sphaerifer lintoni 643 



Sphaerococcaceae 826 



Sphaeroma quadridentata 659 



Sphazroma quadridentatum 659 



Sphaeromidae 659 



Sphaeronectes gracilis 575 



Sphaerosyllis 615 



Sphaerozyga Carmichaelii 798 



Spheroides maculatus 762 



Spheroides spengleri 762 



Spheroides testudineus 763 



Spheroides trichocephalus 763 



Sphyraena barracuda 747 



Sphyraena borealis 748 



Sphyraena guachancho 748 



Sphyrtsna picuda 747 



Sphyraenidae 747 



Sphyrnidae 736 



Sphyrna zygaena 736 



Spiochaetopterus oculatus 625 



Spionidae 624 



Spio robusta 624 



Spio setosa 624 



Spirialis gouldii 703 



Spiroloculina limbata 549 



Spirontocaris groenlandica 664 



Spirontocaris liljeborgii 664 



Spirontocaris pusiola 664 



Spiroptera pectinif er 594 



Spirorbis borealis 632 



Spirorbis f ewkesii 633 



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Spirorbis lucidus 633 



Spirorbis porrecta 633 



Spirorbis quadrangularis 633 



Spirorbis spirillum 633 



Spirorbis spirorbis 632 



Spirorbis stimpsoni 633 



Spirorbis tubseformis 632 



Spirula fragilis 727 



Spirula peronii 727 



Spirulidae 727 



Spirulina Meneghiniana 832 



Spirulina subsalsa 798 



Spirulina tcnuissima 798 



Spisula solidissima 697 



Spongia sulphured 557 



Spongiobothrium variabile 589 



Sporozoa 556 



Spyridia filamentosa 819 



Squalidas 737 



Squalus acanthias 737 



Squalus americanus 737 



Squamariaceae 830 



Squatina dumerili 737 



Squatina squatina 737 



Squatinidae 737 



Squilia empusa 662 



Staurophora laciniala 567 



Staurophora mertensii 567 



Staurostoma laciniata 567 



Sleenslrupia aurata 561 



Sleenstrupia I'irgulala 561 



Steganopus tricolor '. 780 



Stegocephalidae 650 



Stegocephalus inflatus 650 



Stegophryxus hyptius 661 



Stenostomum coluber 581 



Stenothoe cypris 630 



Stenothoe minuta 650 



Stenothoidae 630 



Stenotomus argyrops 757 



Stenotomus chrysops 757 



Stenotomus gardeni 757 



Slenotomus tersicolor 757 



Stentoridae 333 



Stephanolepsis selifer 761 



Stercorariidae 776 



Stercorarius longicaudus 776 



Stercorarius parasiticus 776 



Stercorarius pomarinus 776 



Stereoderma unisemita 614 



Sterna antillarum 777 



Sterna caspia 777 



Sterna dougalli 777 



Sterna fuscata 777 



Sterna hirundo 777 



Sterna maxima 777 



Sterna paradisea 777 



Sterna sandvicensis acuflavida 777 



Stemaspidae 630 



Sternaspis fossor 630 



Sternaspis scutata 630 



Sterrocolax decipiens 823 



Slhcnclais emertoni 619 



Sthenelais gracilis 619 



Sthenclais picta 618 



Stichagidae 768 



Stigonemaceae 799 



Stilifer stimpsoni 713 



