ON MOLLUSCA 07 THE IVEST COAST OF NORTH AMERICA. 



541 



Glyphis densiclathrata 2 . 



Lucapiaa crenulata l (one spec. Catalina 



Is.). 

 Haliotia rufescens l 4 , Craclierodii l 4 , 



Kamtscliatkana l 4 . 

 Pomaulax undosus 4 . 

 Trochiscus Norrisii 2 (and Catalina Is.). 

 Calliostoma canaliculatum 1 , annula- 



tum l , costatum l . 

 Oniphalius fuscescens 4 . 

 Clilorostoma funebrale *, brunneum J , 



Pfeitferi *. 

 Crucibulum spinosum 2 . 



Crepidula rugosa -, adunca -, explanata a . 



Hipponyx Pantiquatus 2 , Ftumens 1 . 



Serpulorbis squamigerus 2 . 



Spiroo-lyphus iituella * *. 



Litorina planaxis *. 



Trivia Californica l . 



Conns Californicus 4 . 



Eanella Californica 4 . 



(Xivella biplicata *, baetica *. 



Purpura, vars. ostrina l , emarginata l . 



Cerostoma Nuttalli 4 . 



Nassa mendica 1 ) perpingius *, fossata 4 . 



Helix, three sp. 



Shells collected ~by Major Rich, near La Paz (west shore of the Gulf of CaL), 



(Tliracia) Cyathodonta plicata. 



Sanguinolana miniata. 



Tellina Cumingii. 



Strigilla carnaria. 



Heterodouax bimacnlatus. 



Iphigenia altior. 



Donax navicula, punctato-str., rostratus. 



Standella fragilis (common). 



Mulinia angulata. 



Trigona argentina, radiata, planulata. 



Dosinia ponderosa. 



Callista concinna, cliionaea. 



Chione succincta, amathusia, gnidia, 



pulicaria, var. 



Anoraalocardia subimbricata. 

 Tapes grata, histrionica. 

 Lazaria Californica. 

 Chama spinosa, producta, corrugata. 

 Cardium censors, biangulatum. 

 Liocardium elatum. 



Codakia tigerrina (two fine specimens). 

 Cyrena olivacea, Mexic&^ia. 

 Anodonta glauca. 

 Mytilus multiformis. 

 Modiola capax. 

 Area multicostata. 

 Barbatia Heeviana, solida. 

 Pectuncnlus giganteus. 

 Pinna rugosa. 

 Margaritophora fimbriata. 

 Isognornon Chemnitzianum. 

 Pecten ventricosus, subnodosus. 

 Lima tetrica *. 

 Janira dentata. 

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



tona, entrance of Gulf), Virginica 



(more pearly than the Atlantic shells, 



teste Rich). 

 Anemia lampe. 



Bulimus sufflatus *, excelsus *, pallidior. 

 Physa elata *, aurantia. 

 Patella Mexicana. 

 Acmaea atrata, mesoleuca. 

 Fissurella rugosa, virescena. 

 Glyphis alta, inteq^ualis. 



Haliotis splendens (three fresh specimens 



from a resident at San Jose). 

 Callopoma fluctuosuin. 

 CJvauilla olivacea. 

 Oniphalius rugosus, coronulatus. 

 Nerita scabricosta, Bernhardi. 

 Neritina picta. 

 Crucibulum spinosum, imbricatum, pec- 



tinatum, umbrella. 

 Galerus mamillaris, conicus. 

 Crepidula aculeata, onyx, nivea, ungui- 



formis, arenata. 

 Hipponyx Grayanus, serratus, anti- 



quatus. 



Aletes centiquadrus. 

 Spiroglyphus Iituella (on Cr. umbrella). 

 Turritella goniostoma, tigrina. 

 Cerithium maculosum,stercus muscarum. 

 Cerithidea Montagnei. 

 Litorina fasciata, conspersa. 

 Modulus catenulatus, disculus. 

 Cyprsea exanthema. 

 Aricia arabicula. 

 Luponia Sowerbii, albuginosa. 

 Trivia sanguinea, radians, Solandri, pus- 



tulata, Pacifica. 

 Strombus granulatus, gracilior. 

 Euryta fulgurata. 

 Pleurotoma funiculata, maculosa. 

 Drillia Pinermis. 

 Conus puncticulatus, gladiator, purpu- 



rascens, regularis, arcuatus, mix. 

 Solarium granulatum, v. quadriceps. 

 Cancellaria obesa, cassidiformis, solida, 



goniostoma, Pcandida. 

 Natica maroccana, zonaria. 

 Polinices Kecluziaua, bifasciata, otis. 

 Neverita patula. 

 Sigaretus debilis. 

 Oniscia tuberculosa. 

 Levenia coarctata. 

 Bezoardica abbreviata. 

 Priene nodosa. 

 Turbinella caastus. 

 Fasciolaria princeps. 



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