ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 



Gh-phis densielathrata ^. 



Lucapiaa cremilata ' (one spec. Catalina 



Is.). 

 Ilaliotia rufescens ' *, Cracherodii ' *, 



Knmt.schatkana ' *. 

 Poiiiaiila.v undosus '. 

 Trocliiscus Norri.sii'^ (and Catalina T?.), 

 C'jtllio.-tonia 



tuni ', co>t:itiuii '. 

 Oniphaliu-* fuscescens *. 

 Chli)rostoma fuuebmle *, 



Pfeitfcii '. 

 Crucibulum spinosum ''. 



caualiculatum ', aiinula- 



brunneuni 



Crepidula rugosa ^, adunca ^, explanata \ 



Hippony.v Pantiqiiatus^, Ptuuifiid'. 



Serpulorbis squaniigerus *. 



Spirotrlyphus lituella ^ *. 



Litorina planaxis '. 



Trivia Californica '. 



Couus Califomicus *, 



Kauella Californica *, 



O.ivella biplicata ', bietica'. 



Purpura, vars. ostrina', eniarginata *. 



Cerosronia Nuttalli^. 



Nas?a meudica ', perpingius ', fossata'. 



Helix, tbree sp. 



Shells collected htj Major liich, near La Paz (west shore of the Gulf of Cal.), 



(Thracia) Cvathodonta plicata, 

 Sangiiindlaria miiiiata. 

 Tellina Cumingii. 



Strigilla carnaria. 



Heterodonax biniaculatus. 



Iphigenia altior. 



Douax navicula, punctato-str., rostratus. 



Standella frajrilis (common). 



Mulinia antrulata. 



Trigona argentina, radiata, planulata. 



Dosinia ponderosa. 



Callista concinna, chionrea. 



Chione succincta, amathusia, gnidifv, 



pulicaria, var. 

 AuomalocanUa subimbricata. 

 Tapi 8 grata, histrionica. 

 La'/aria Californica. 

 Cbaina spi,;osa, producti, comigata. 

 Cardium consors, biangulatum. 

 Liocardium elatum. 



Codakia tigerrina (two tine specimens). 

 Cyrena olivacea, Mexici-V*^ 

 Anodonta glauea. 

 Mytilus multiformis. 

 Modiola capax. 

 Area niulticostata. 

 Barbatia Ueeviana, solida. 

 Pectuneulus gigauteus. 

 Pinna rugosa. ^ 



Mai-garitophora fimbriata. 

 Jsognomon Cheninitziaiium. 

 Pecten ventricosus, subuodosus. 

 Lima tetrica *. 

 Janira dentata. 

 Ostrea aniava (Maz. Cat. 215. Is. Cres- 



tona, entrance of Gulf), Mrginica 



(more pearly than the Atlantic shells, 



teste liich). 

 Anoniia lanipe. 



Biilinius sufflatus *, excelsus *, pallidior. 

 Physa elata *, aurantia. 

 patella Mexicana. 

 Acniica atrata, mesoleuca. 

 Fissiirella rugosa, virescena. 

 Glvphis alta, iuiuijuulia. 



ai 



Haliotis splendens (three fresh specimens 

 from a resident at San JoseJ. 



Callopoma fluctuosum. 



(j vanilla olivacea. 



Omphalius rugosus, coronulatus. 



Nerita scabricosta, Beruhardi. 



Neritina picta. 



Crucibulum spinosum, imbricatum, pec- 

 tinatum, umbrella. 



Galerus mamillaris, conicus. 



Crepidula aculeata, onyx, uivea, ungui- 

 formis, arenata. 



Hipponyx Grayanus, serratus, anti- 

 que tus. 



Aletes centiqnadrus. 



Spiroglyphu.s lituella (on Cr. umbrella). 



Turriteila goniostoma, tigrina. 



Cerithium maculosuni,stercus muscarum. 



Cerithidea Montagnei. 



Litorina fasciata, conspersa. 



Modulus catenulatus, discidus. 



Cypraja exanthema. 



Aricia arabieula. 



Luponia Sowerbii, albnginosa. 



Trivia sanguiaea, radians, SJolandri, pus- 

 tulata, Pacitica. 



Strombus gi-anulatus, gracilior. 



Euryta fulgurata. 



Pleurotoma funiculata, maculosa. 



Drillia Pinennis. 



Conus puneticulatus, gladiator, purpu- 

 rascens, i-egtilaris, arcuatus, nux. 



Solarium gi'anulatiim, r. quadriieps. 



Cancellaria obesa, cassidiforuiis, solida, 

 goniostoma, !-'candida. 



Natica niai-occana, zonaria. 



Polinices Hecluziana, bifasciala, ctis. 



Neverita patula. 

 Sigaretus debilis. 

 Oniscia tuberculosa. 



Levenia coarctata. 



13ezoardica abbreviata. 



Priene nodosa. 



Turbinella caestus. ' 



Fasciolaria priucepa. 



