392 



U.S. NATIONAL MUSEUM BULLETIN 287 



phaneum 

 prisma 

 sericatum 

 sigsbeanum 

 taphrium 

 Dentiscala 

 aurifila 



crenimarginata 

 mazatlanica 

 mexicana 

 nesiotica 

 nodosocarinata 

 *Dentistyla 



dentiferum 

 sericifilum 

 '•'Dermatomya 

 beringiana 

 buttoni 

 chilensis 

 equatorialis 

 leonina 

 mactroides 

 tenuiconcha 

 *Deshayesiella 



curvatus 

 '^'Diacerion 

 Diadora 



microsticta 

 Diaphana 

 brunnea 

 californica 

 floridana 

 Diastoma 

 georgiana 

 *Diberus 

 *Dicranodesma 

 calvertensis 

 *DiIlwynella 

 modesta 

 Diloma 



ruderata 

 Dimya 

 argentea 

 divaricata 

 grandis 

 mimula 

 molokaia 

 *Dinaxis 

 *Dinocardium 

 *Dinoplax 

 Diplodonta 

 aleutica 

 aha 

 artemidis 



caloosaensis 

 catopotium 

 gabbi 

 leana 

 minor 

 notata 

 pilula 

 platensis 

 puncturella 

 puncturella 

 radiata 

 semirugosa 

 shilohensis 

 verrilli 

 yorkensis 

 '^ Diplomeriza 

 ^*Oiscinisca 

 indica 

 oregonensis 

 sparselineata 

 Discohelix 

 lamellifera 

 retifera 

 *Discosolis 

 *Distomospira 

 bilamellata 

 Divaricella 

 chipolana 

 compsa 

 lucasana 

 perparvula 

 transversa 

 Dolabella 

 aldrichi 

 *Doliocassis 

 Dolophanes 



gabbi 

 Donax 



aequilibrata 

 aricana 

 chipolana 

 curtula 

 emmonsii 

 gouldii 

 Doridium 

 adellae 

 *Dorisca 



cookei 

 *Dosinella 

 Dosinia 

 alaskana 

 chipolana 

 liogona 

 obliqua 



*Dosinidia 

 chipolana 

 liogona 

 obliqua 

 *Dosinisca 

 *Dosinorbis 

 Drillia 

 acestra 

 aciia 

 acloneta 

 acrybia 

 actinocycla 

 acucincta 

 acurugata 

 aepynota 

 albicoma 

 alesidota 

 aphanitoma 

 belotheca 

 bigemma 

 canna 

 carminura 

 centimata 

 cestrota 

 condominia 

 decenna 

 detecta 

 ebenina 

 eburneola 

 edilia 

 elusiva 

 empyrosia 

 eucosmia 

 eupatoria 

 eupora 

 exasperata 

 glyphostoma 

 gracilina 

 gratula 

 greeleyi 

 gundlachi 

 haliostrephis 

 havanensis 

 hoplophorus 

 interpleura 

 kennicotti 

 lapenotierei 

 leucocyma 

 leucomata 

 limonitella 

 lissotropis 

 macilenta 

 melonesiana 

 microscelida 



