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U.S. NATIONAL MUSEUM BULLETIN 287 



cervina 

 Thais 



adamsi 

 compressa 

 cymica 

 franciscana 

 homica 

 neptunea 

 nesiotes 

 nomeana 

 peruensis 

 precursor 

 projecta 

 sitkana 

 Thala 



torticula 

 -Thalassoplanes 



morchii 

 ^Thecidellina 



blochmanni 

 Thecodonta 



calvertensis 

 Theodoxus 



edentula 

 Thracia 

 beringi 

 challisiana 

 colpoica 

 condoni 

 diegensis 

 dilleri 

 harrisi 

 quentinensis 

 stimpsoni 

 Thyasira 

 conia 

 cygnus 

 excavata 

 magellanica 

 tomeana 

 tricarinata 

 Thyella 



stimpsoni 

 Thysanophora 

 clarionensis 

 materna 

 Tiberia 

 dunkeri 

 japonica 

 jacksonensis 

 Timoclea 



pertincta 

 Tindaria 

 acinula 



aeolata 



agathida 



atossa 



brunnea 



californica 



cervola 



compressa 



cytherea 



cytherea 



dicofania 



kennerlyi 



martiniana 



mexicana 



panamensis 



ritteri 



salaria 



smirna 



smithii 



thea 



virens 



Tivela 



abaconis 

 brasiliana 

 jamaicensis 

 nasuta 

 ■'Toledonia 

 perplexa 



Tonicella 

 blaneyi 

 saccharina 

 stigmata 



Tonicia 



arnheimi 



mixta 



pustulifera 



Torcula 

 acropora 



Torellia 



ammonia 

 valionia 



Tornatellides 

 clarionensis 

 mexicana 



Tornatina 

 crassiplica 

 fischeri 

 gabbi 

 harpa 

 incisula 

 myrmecoon 

 parviplica 

 persimilis 



■Torquis 

 elisus 



Trachycardium 

 bowdenense 

 cestum 

 delphicum 

 depauperatum 

 dominicanum 

 hawaiensis 

 laxum 

 melacum 

 oedalium 

 parile 

 precursor 

 pristipleura 

 virile 

 "^Trachyodon 

 "^Trachyradsia 



aleutica 

 *Tractolira 

 sparta 

 Tralia 



minuscula 

 *Transennella 

 caloosana 

 carol inensis 

 chipolana 

 conradina 

 santarosana 

 stimpsoni 

 utica 

 Transovula 



multicarinata 

 Trapezium 



claibornense 

 halioticola 

 Trichodiscina 

 verdensis 

 Trichotropis 

 alta 

 kelseyi 

 lomana 

 migrans 

 nuda 



spectabilis 

 turrita 

 Tricolia 



carpenteri 

 producta 

 Triforis 

 abruptus 

 colon 



cylindrellus 

 filata 

 hircus 

 ibex 



