ON MOLLUSCA OF THE WEST COAST OF XORTH AMERICA. 



2, JSaKotis rufescem, Swains. (Ditto in Exot. Conch, ed. ii. p. 34.) Galapagos [?j 

 and California. 



4. Cassis [Malea] ring ens. Swains. ? 



5. Cassis corrugata, Swains. Native of the Galapagos. 

 5. Harpa crenata, Swains. ? 



8. Strombus granulatus, Swains. ? 

 Eiot Conch. Plate. 



86. Conus princeps, Ln.= C. regius, Martini, Lam. (C. P. var. /3., Ln.= C. ebraus.) 



Asiatic Ocean. 

 97 (middle figure). Marginella primnm,Gmel., Martini = Voluta plumbea, Sol. MS. 



Africa. [The pinched W. Indian form.] 

 182. Cyprcea spadicea, Swains., Tilloch's Phil. Mag. vol. Ixi. p. 376. South Seas 



(Mawe). 



80. Haliotis Californiensis, Swains. [Figured with 9 small holes.] 1821. 

 65. Solen amUguus, Lam. N. America, 1820. [This shell is conspecilic with tho 



" 8. medius, Alashka,'' of the B. M. Coll. ; differing somewhat from the S. 



ambiguus as figured by Delessert. The B. M. locality is perhaps erroneous.] 



24. Valenciennes 9 Memoir on Numb, and Bonpl., 1833. The following 

 notes are from a study of the complete copy in the Libr. Hoy. Coll. Surgeons. 



221. Donax radiata [=var. of D. punctatostriatus, Hani. 1843]. 

 219. Venus succincta \_=Chione Californiensis, Brod. 1835]. 

 245. Bulimus undatus. [The Caribbean, not the Mexican, type is here figured.] 

 267. Haliotis Calif orniana \_ = H. rufescens, Swains., not II. Californiensis, Swains."). 

 267. (Add) Haliotis interrupta, Val. Tropical America. [The description accords 

 with the young of //. Cracherodii, Leach.] 



277. Cerithium musica. [Description accords with C. maculosum, Kien.] 



278. Cerithium granosum [= Cerithidea r>aricosa~\. 



279. Cerithium fragaria \_ = Rhi nod avis gemmata, lids.]. 

 282. Cerithium varicosum [= Cerithidea caricosa, Sby.]. 



308. Strombus cancellatus. Closely resembles jRostellaria fissurella, from Grignon. 



[Probably E. Indian.] 



838. Conus scalaris [= C. gradatus (Mawe), Wood's Suppl.]. 

 270. Solarium bicanaliculdtum. Small species, like S. Herberti, Desh. Enc. 



265. Natica JBonplandi. [The figure exactly represents Neverita palula, Sby.] 



266. (Add) Natica uber, Val. Cumana. 



317. Purpura semi-imbricata, Lam. [An. s. Vert. vol. x. p. 84, no. 39 ; not since 

 identified from the brief description. Perhaps =Cuma costata, Blainv.] 



287. Fusvs turris \_ = F. Dupetithouarsii, Kien.]. 



290. Fmus Magellanicus " Buc. Geversianum, Pallas, Murex Peruvianus, Enc. 

 Meth." 



295. Ficula Jicoidcs [? = decussata]. 



296. Pyrula spirata [? =Rapa, Jim.]. 



25. Coquille. All the limpets quoted are South American. 



26. EsJischoltz. The following observations may be useful to the student : 



Page. 



10. Murex ferruginem [ = Purp. crispata, Chemn.. var. ; varices few, scarcely frilled]. 



11. Murex lactuca \ = l\irpura crispata, Chemn.]. 



11. Murex multicostatus [is not Trophon clathratus, as supposed bv Midd. ; but pro- 

 bably = T. Gunneri. It resembles T. laciniatum, Mart. (Falkland Is. ) on a 

 small scale ; varices coronated, without spiral sculpture]. 



16. Acmcea. [Genus described in the Appendix to Kotzebue's econd Voyage, 1830. 

 p. 350 ; somewhat before Tectura, teste Woodward.] 



18. Acmcea mamiUata. [The ' crowded tubercles' were perhaps due to nullipore.] 



19. Acmcea cassis [if a northern shell, is perhaps the strongly ribbed var. of peUa 



but the figure accoi'ds best with the Cape Horn species, P. cenea, Mart.]. 



20. Acmcea digitalis [is perhaps distinct from the variable persona ; but passes into 



it by easy transitions]. 



7 



