228 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Teredo 



dilatata 



megotara 



navalis 



norvegica 



Thomson! 



Thecidiidee 



Thocidium 



Barrett! 



mediterranean) 



Thecosomata 



Tb eodoxus 



Thracia 



Conradi 



corbuloides 



distorta 



Page. 



74 



74 



74 



74 



74 



74 



28 



28 



28 



2S 



60 



168 



64 



64 



64 



64 



my opsis PI . 59 



phaseolina 64 



Stimpsoni 64 



truncata PI. 59 



Tiudaria 44 



Tivela 56 



mactroides 56 



Tonicia 174 



Schrammii 174 



Torcula 144 



Torellia flmbriata , PI. 62 



Toriniu 148 



ran al it era 148 



cyclostoma 148 



cylindrica 148 



Tornatina 84 



bullata 84 



canaliculata 84 



Candei 84 



recta 84 



Tornatinidae 84 



Toxoglossa 94 



Trachydermon 172 



exaratus 172 



ruber 172 



Tralia 92 



minuscula 92 



puailla 92 



Trausennella 56 



Conradina 56 



cubaniaua 56 



Trichotropidse 142 



Trichotropia 142 



Triforidae 138 



Triforis 138 



abrupta 138 



aspera 138 



bigemma 138 



colon 138 



cy lindrolla 138 



decorata 138 



hircus 138 



ibex 138 



inflata 138 



intermedia 138 



lilacina 138 



longisaima 138 



melannra 138 



mirabilia 138 



nigrocincta 138 



Page. 

 Triforis Continued. 



oli vacea 138 



perversa 138 



pulchella 138 



Rnshii 138 



torticula 138 



triserialis 138 



turriathomfe 138 



Trigonostoma 104 



Agassizii 104 



Smithii 104 



teiiera 104 



Trigonulina 66 



clegantissima 66 



omata 66 



Tritonidea 116 



cancellaria 116 



litubata 116 



Orbignyi 116 



tincta 116 



Tritoniidae 132 



Tritouium 132 



nobilis 132 



tvitonis 132 



Trivia 136 



cnndidula 136 



glubosa 136 



nivea 136 



pediculus 136 



quadripunctata 136 



subrostrata 136 



suffusa 136 



Trochidae 160 



Trophon 120 



Trnncatella t 152 



bilabiata 152 



caribseensia 152 



pulchella 152 



subcyliudrica 152 



Truncatellid 152 



Turbo 158 



cas'.aneus 158 



crenulatus 158 



filosus 158 



Spenglerianua 158 



Turbinella HO 



Tin binellidae ^ - 110 



Turbimdse 158 



Turbonilla 128 



belotbeca 128 



Bushiana 128 



cnrta - 128 



elegans 128 



exilis ^28 



graudis 128 



interrupta 128 



levia 128 



mnlticostata 128 



obeliacus 128 



perlepida 128 



puncta 128 



punicea . 



128 



pusilla 



Rathbnni 128 



reticulata I 28 



subulata 128 



