206 REFERENCE TO PLATES. 



Figures. Plates. Species. Paor 



JEolis papillosa, Linn 113 



Balmonacea, Cou h 11:? 



Flabelliua Bostonieusis, Couth lu 



rufibraDohialis, Juhast 114 



pi I at a, Gld 114 



stellata, .Si imp Ill 



picta, A. & H 11.5 



di versa, Couth 11.". 



Tergipes despecta, Jobnst 116 



gymnota, Comb • 116 



Calliopaea fu.scala, Old 116 



Hermaea cruciata, Agass 117 



Alderia Barvardiensis, Agass 117 



Clcelia fuscata, Old 117 



remigata, Gld 117 



Elysia chlorotica, Agass lis 



Elysiella catulus, Agass lis 



Cavolina tridentata, Gme) 12(1 



Diacria trispinosa, Los 120 



Clio pyramidala, Linn 120 



Styliola vitrea, Yerril I 121 



Psycbe globalosa, Rang 121 



Limacina belicina, 6 me] 121 



Spinalis Gbuldii, Btm 122 



Alexandri, Verrill 122 



Clione limacina, l'hipps 122 



Pholas costata, Linn 12.5 



truncata, Say 126 



Dactyliua Oampcehensis, Gmel 126 



Zirpbsea crispata, Liun 127 



Martesia cuneiformis, Sty 127 



Diplothyra Sniithii, Tryon 128 



Rocellaria ovata, Snwb 128 



Stimpsonii, Tryon 12s 



Teredo dilalata, Sun 12!) 



navalis, Linn 130 



Vmegotara, Hanley 130 



Thomsonii, Tryon 131 



Norragica, speni^l 130 



chlorotica, Gld i;:l 



Xylotrya fimbria la, Jeff 132 



Periploma papyracea, say 13:5 



Siliqua costata, .say 143 



Lyonsia byalina, i 'our 134 



arenosa, Miill 134 



Thracia myopsis, Beck 13.5 



tin: cata, M. & A 13.5 



Pandora tnlineaia, Say 136 



Thracia Conradi, Couth 13 4 



Saxicava arctica, I. inn 137 



Paoopsea Norvegica, Speog 137 



Cyrtodaria siliqua, Chemn 13s 



Solemya borealis, Totten 139 



velum. Say l.:.i 



Mya truncata Linn 140 



l'anoji.i-a bitruncata, Cour 13s 



Mya arenaria, Liun llu 



truncata, Linn 140 



< 'oil mi la coiiti acta. Say 141 



pellucida, Stimp 141 



So,, a viriilis, Say 142 



En>U America nun, Gould 142 



Siliquaria gibba, Spengl 14:; 



divisa, Speng] 143 



Siliqua costata, Say 143 



divisa, Spengl 143 



Mactra solidissiura, Chemn 141 



lateralis, Say , 14.5 



ovalis, Gould 14.5 



fragilis, Chemn 14.5 



Raeta canaliculata, Say 146 



lineata, Say 146 



Tellina alternata, Say 14S 



polita, Say 14S 



teuera, Say 14S 



tenta, Say 149 



modesta, Verrill 149 



iris, Say 149 



