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U.S. NATIONAL MUSEUM BULLETIN 287 



antestriata 



approximata 



aragoni 



arata 



archeri 



aresta 



arnoldi 



asser 



attrita 



aulica 



auricoma 



bella 



belotheca 



bermudensis 



berryi 



buttoni 



caelatior 



callia 



callipeplum 



calvini 



candidissima 



canfieldi 



carpenteri 



castanea 



castanella 



catalinensis 



cedrosa 



centrota 



ceralva 



chipolana 



crystallina 



curta 



delmontensis 



diegensis 



dina 



eschscholtzi 



ethellina 



eucosmia 



eucosmobasis 



excolpa 



favilla 



fragilis 



galapagensis 



galianoi 



garrettiana 



genilda 



gilli 



gouldi 



halia 



halibrecta 



halidoma 



halistrepta 



haycocki 



hecuba 



heterolopha 



hipolitensis 



histias 



houseri 



humerosa 



hypocurta 



hypolispa 



ignacia 



ima 



imperialis 



infantula 



insularis 



jewetti 



keepi 



kelseyi 



lara 



larunda 



laticingula 



latifundia 



lepta 



lituyana 



lowei 



lucana 



lyalli 



macbridei 



macouni 



macra 



marshalli 



mexicana 



monilifera 



moniereyensis 



morchi 



muricatoides 



nereia 



newcombei 



nicholsi 



nuttalli 



nuttingi 



obesa 



obsoleta 



oregonensis 



painei 



paramoea 



pazana 



peasei 



pedroana 



peilei 



pentalopha 



pequensis 



periscelida 



pesa 



phalera 



phanea 



pluto 



portoricana 



profundicola 



protracta 



punicea 



raymondi 



recta 



regina 



ridgwayi 



rinella 



sanctorum 



santarosana 



santnsana 



secura 



sedillina 



serrae 



shimeki 



signae 



simpsoni 



smithsoni 



stearnsii 



stenogyra 



stephanogyra 



superba 



swani 



talma 



taylori 



typica 



valdezi 



vexativa 



victoriana 



virga 



virgata 



viridaria 



weldi 



wickhami 

 Turcica 



gabbi 

 *TurcicuIa 



bairdii 



Columbiana 



imperialis 



japonica 



macdonaldi 



washingtoniana 

 *Turrhyssa 

 Turricula 



brunonia 



hondoana 



lavinia 



laysanica 



libya 



nigricans 



panthea 

 Turris 



