380 



U.S. NATIONAL MUSEUM BULLETIN 287 



leptalea 

 Anomalodiscus 

 Anomia 



floridana 



indecisa 



limatula 



microgrammata 

 Anticorbula 

 Antigona 



shepardi 



tarquinia 

 ■'Antiplanes 



abarbarea 



agamedea 



amphitrite 



amycus 



beroe 



briseis 



bulimoides 



diaulax 



hyperia 



impecunia 



kamchatica 



litus 



piona 



purpurea 



rotula 



santarosana 



thalaea 



yessoensis 

 ■ Antistreptus 



magellanicus 

 Aphanotylus 



whitei 

 '•'Aporema 

 '•'Aquilonaria 



turner! 

 Area 



bowdeniana 



carolinensis 



clisia 



conradiana 



ectocomata 



endemica 



glomerula 



grammatodonta 



irregularis 



lesueuri 



limonica 



macdonaldi 

 millifila 



nucleator 



orbiculata 



osmonti 

 paratina 



pittieri 



platyura 

 poiycyma 

 pompholyx 

 sagrinata 

 schizotoma 

 seymourensis 

 vetula 

 virginiae 

 wagneriana 

 Architectonica 

 bianda 

 kochii 

 radialis 

 *Archivesica 

 gigas 

 suavis 

 Arcinella 

 cruda 

 hawaiensis 

 laysana 

 thaanumi 

 Arcopagia 



spilimani 

 Arcoperna 

 inflata 

 *Arctomelon 

 *Arctonchis 

 *Arctoscala 

 condoni 

 Arcularia 

 iodes 

 Arene 

 agenea 

 aspina 

 briareus 

 californica 

 cookeana 

 coronata 

 halensis 

 milium 

 millium 

 pacis 

 peramata 

 perforata 

 Argina 



tolepia 

 Argobuccinum 

 cammani 

 coosense 

 Argonauta 

 americana 

 expansa 

 pacifica 

 Argyrodonax 



haycocki 

 ^*Argyrotheca 



bermudana 



exopleura 



schucherti 

 Artena 



giyptoconcha 



shepardi 

 '■'Arthuria 



filosa 

 Ashmunella 



ashmuni 



pseudodonta 



rhyssa 

 '■'Ashtarotha 



obesa 



parma 

 *Asmunda 

 Aspella 



engonatus 



senex 

 Asperoscala 



carina 



keratium 



lowei 



tinctorium 

 Assiminea 



aldra 

 Astarte 



actis 



alaskensis 



americana 



bennettii 



calliglypta 



carteriana 



diversa 



floridana 



glenni 



globula 



hemicymata 



ieffingwelli 



liogona 



loxia 



martini 



nana 



obesa 



opulentora 



parma 



polaris 



smithii 



soror 



vaginulata 



vernicosa 

 wagneri 



