ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 255 



Freq. 



Other Localities. 



341 



342 



343 



344 



345 



346 

 347 



348 

 349 



350 



351 



352 



352* 



353 



354 



355 



355J 



356 



357 



358 



359 



360 

 361 

 362 

 363 



Crepidula nivea, C. B. Ad, 



-\-C. squama, Brod. 



-j-C. striolata, Mke. 



-f- C, Lessonii, Brod. 



-|- C. unguiculus, var. Brod. 



-\-C.protea, D'Orb. pars. 



Comp. C. explanata, Gld. = C. perforans, 

 Val. = C. exuviata, Nutt, 



— unguiforrnis, Lam 



Patella crepidula, Linn. 



-\-C, Italica, Defr. 



-\-C. plana, Say. 



■j-P. goreensis, Gmel. 

 Crucibulum imbricatum, Sow 



= C. scutellatum, Gray. 



= C. rugosa, Less, non Desh. 



-{■C. extinotorium, Sow. (non Lam.) = C 



dentata, Mke. 

 — spinosum, Sow 



= C. peziza, Wood. 



-\-C. Mspida, Brod. 



-j-C. maculata, Brod. 



-f-C. tenuis, Brod. 



= C. tubifera, Less, 



?-|-C. rugosa, T)esh.= C lignaria, Brod.-|-C. 

 quiriquinaiD'Orh. = C.Byronensis, Gray. 

 Calyptraea cepacea, Brod. 



Hipponyx serratus, n. s 



} = H.'foliaceus, Mke. 



— antiquatus, Linn 



= Pileopsis mitrula. Lam. 



= Hipponyx Panamensis, C. B. Ad. 



— planatus, n.s 



— barbatus, Sow 



} = H. australis, Mke. 



— Grayanus, Mke 



=//. radiata, Gray (non Quoy nee Desh.) 



Capulus, sp. ind. (like C. militaris) 



Vermetidce. 



Aletes centiquadrus, Val. 



-\- Vermetus Peronii, Val. 



, var. imbricatus 



— margaritarum, Val. 



Vermetus eburneus, Eve 



.'Jun.= V. pellucidus, Brod. & Sow. 



PBivonia contorta, n. s 



?= Fermetus glomeratus,Mke.,C. B. Ad., non 



Phil, nee Linn. 

 Comp. F. Panamensis, C. B. Ad. 



, var. indentata 



albida, n. s 



, sp. ind. (a) 



;— . (*) 



Petaloconchus macrophragma, n. s. 



CacideB. 



Caecum (Elephantulum) insculptum, n.s 



subspirale, n.s 



abnormale, n. s 



obtusum, n. s 



4 

 V. r. 



1 



3 



n. u. 



2 



3 



V. r. 



V. r. 

 3 

 2 

 1 



n. u. 



2 

 12 

 2 

 6 



Panama, Is. Muerte, S. America, 

 ? Vancouver's Strait. 



Atlantic, both coasts ; Panama, 

 Singapore. 



W.Coast America, Panama,Peru, 



W. Coast, Panama, Peru, Sta, 

 Barbara. 



Is. Muerte, Panama. 



West Indies, Senegal, Lobos Is., 

 Panama. 



Panama. 



Society Islands, Panama. 



Galapagos, Sandwich Islands, 

 Panama, S.W.Mexico,Guinea, 



S.W. Mexico, Panama. 

 S. America, W. Columbia. 



Panama. 



