20G REFERENCE TO PLATES. 



FirifKES. Platrs. Spe('ii;s. Pagr 



^olis papilloma, Liiiu. i 113 



Srtlinmiacea, Cmih 113 



Flabelliua liostonieusis, Coutli 114 



rufibrandiialis, Joliust IH 



pilata, Glci 114 



stellata, 8limp 114 



picta, A. & H 11.:. 



di versa, Couth 11.") 



Tergipes despecta, iJohiist 110 



gy run Ota, Coiuh 11(5 



Calliopaja fuscala, GUI IKi 



Heiiiiiea ciuciala, Agass 117 



Alderia Harvai'diea.sis, Agass 117 



Clcelia fuscala, Gld 117 



remigata, Gld 117 



Elysia chlurolica, Agass lis 



Ely.siella catuliis, Agass 118 



Cavoliaa tiidentata, Gmel 120 



Diaci'ia trispiuosa, Les 120 



Clio pyrainidala, Liun 120 



Siylicla vitrea, Verrill 121 



Psyche globulosa, Kaiig 121 



Liiuacina helicina, Grnel 121 



Spirialls Gouldii, Stni 122 



Alexaudi-i, Verrill 122 



Clione liiiiatiua, Phipps 122 



Pholas cosiata, Liun r2.y 



truncata, Say » 126 



Dactylina Campechensis, Gmel 116 



Ziiphfea ciispata, Liuu 127 



JIartesia cuupiformis, Say 127 



Diplothyra Siiiithii, Ti'yon 128 



Kocellaria ovata, Sowb 128 



Stimpsouii, Tryoii 128 



Teredo dilatata, Stm 129 



navalis, Liun 1.10 



niegotara, Hanley 130 



Thoiiisonii, Tryou 131 



Norvagica, Speogl 1.30 



chlon.lica, Old 131 



Xylotrya limbriata, Jeff 1.32 



Periploma papyracea, Say 133 



Siliqiia costata. Say 1 43 



Lyousia hyalina, Conr 134 



areuosa, Miill 134 



Thracia myop?is, Beck 13.5 



triucata, M. & A 13.5 



Pandora triliueata, Say 136 



Thracia Couradi, Couth 134 



Saxicava arctica, Liuu 137 



Pauopjea Norvegica. Speiig 137 



Cyrtodaria siliqua, Clieiuu 13S 



oolemya borealis, Totteu 139 



velum. Say 139 



Mya truncata. I.inu 110 



Pauopaia bitruueata, Cour 138 



Mya areuaria, Liuu 110 



trunca;a, Liuu 140 



Corbula coutracta, Say 141 



Keajra pellucida, Stimp 141 



Sojen viridis, Say 142 



Eusis America nus, Gould 142 



Siliquaria gibba, Speugl 143 



divisa, Speugl 113 



Siliqua costata, Say ] 43 



dtvmtr, SjMMtgti >>;^*^;i«>. (V&t/'- 143 



Mactra solidissima, Chemu 144 



lateralis, Say 14.5 



ovali.s, Gould 1 i.5 



fragilis, Cheinn 14.5 



Eaeta canaliculata. Say 146 



lineata, Say 14(5 



Tellina alteruata, Say 148 



polita, Say 148 



teuera, Say 148 



tenta, Say 149 



niodesta, Verrill 149 



iris, Say 149 



