ON MOLLUSCA OK THE WEST COAST OF NORTH AMERICA. 



665 



•Sanguinolaria Nuttalli. 

 "Macoma aecta. 



Anjrulus (iouldii. 

 •tikttrodonax bimaculatua. 



•JJonax L'alifornicus. 



tUonax puuctato.striatus. 



•.Standella i'Californica. 



*Pafhydesina crassatelloide& 

 •tAiniantis callosa. 



•Chione siuiillima. 



tC'hione ne<jlecta. 



•Tapt'S staminea, Conr. 



tTapes grata and vars. 



•Luciua Ca'.it'oinica. 

 Lucina bella. 



•Mvtilus edulis. (One young specimen, 

 perhaps from San Frani-isco.) 



•St'ptifer bifurcatus. 



fPecten subno.losus, ventricosus. 



•Pecten monotinieris and vax's, 



•Hinnites gigantius. 

 •fOstrea conchaphila. 

 •fAnomia Planipe. 



Siphonaria ffiqiiilirata. 

 •tMf'lampus olivaceus. 



Helix arrosa. 

 •fBulla nebulosa. 

 •flschuochiton Magdalensis. 



•Acmsea persona, var. textilis. 



•Acmaea scabra, var. liiuatula. 



•Acmaea Psp.'Ctrum, juu. 



*Lottia gigantea. 



*Lucapina crenulata. 



•Fissurella volcano. 



•Haliotis splendens. 



•Ilaliotis Cracherodii. 



•Pomaulax v.idosus. 



•Trochiscus Norrisii. 

 *Oinphalius i'luscescens. 

 •Oniphalius aureotinctua. 

 tCrucibulnm inibricatum. 

 •fCmcibulum spinosum. 

 tCrepidula arenata and var. 

 tCenthium uncinatum. 

 •Cerithidea pullata. 

 tCerithidea Montagnei. 

 •Litorina planaxis. 



Luponia sp. ind., jna. 

 tTrivia Solandri. 

 •Trivia Califoiuica. 



Drillia penicillata. 



Myurella, sp. 

 •fXeverita Keduziana. 

 tXatica Maroccana. 

 •Scalaria (Ind. var.) tincta. 

 tBezoarilica abbreviata. 

 fLeiicozonia cingulata. 

 tStrigatella tristis. 

 •Qlivella biplicata. 

 •Purpura ostrina, vars. 

 tPurpura biserialis. 



Mouoceros lugubre. 

 tVitularia salebrosa. 



Cerostonia monoceros. 



Ocinebra Poulsoni. 



Chorus FJeicheri. 

 tColumbella fuscata. 

 *Columbella carinata. 

 tStrombina gibber ula. 

 tAnachis coronata. 

 •fNassa tegula. 

 tNassa complanata. 



Macron Kellettii. 

 •Macron lividus. 



Callopoma tessellatum = Folili esii. 



The shells of Margarita Bay, on the Pacific coast cf Lower California, in 

 lat. 24°, have beoonie known through W. Harper Pease, Esq., of Honolulu, 

 Sandwich Islands. Through his labours we are likely soon to bt favoured 

 •with accurate accounts of the distribution of species in the various parts of 

 the Pacific Ocean. Ali adj' his researches have greatly enriched our know- 

 ledge of the quaint fauna of the Sandwich Islands, from which he has elimi- 

 nated the spurious sjjecies, and added those erroneonfily ascribed to California 

 by previous naturalists. The principal trade from these islands is with San 

 Francisco ; and " the coast," in Mr. Pease's writings, signifies the coast of 

 California or (generally) of Western America. Many of our best specimens 

 of rare West-coast shells have been received from him, and in remarkably 

 fresh preser%-ation. The Margarita Bay species were obtained by one of his 

 trained collectors, and are as follows : — 



Martesia intercalata. 

 Saxicava pholadis 

 Solecurtus violascens. 



Iliatula compacta. 

 •Tellina secta. 

 Strigilla camaria (pink), 

 Semele Califoiuica. 



151 



Donax punctatostriatus. 



Dosiuia ponderosa. 



Callista chionaea. 



Callista vulnernta (?=tricolor, Pie,), 



Chione succincta 



Chione gnidia. 



Tapes grat^i. 



