ON MOLLUSCA OF THE WEST COAST OP NORTH AMERICA. 



229 



Donax navicula, Hani. 74. Panama. 



rostratus, C. B. Ad. = culminatus, 



B.M. Cat. 37. Sta. Barbara, " very 

 plentiful." [?] Non Nutt. 



Californicus, Conr. 37*. Sta.Barb. 



gracilis, Hani. 183. Sta. Barbara. 



fiexuosus, Gld. Sta. Barbara. 



Mactra Calif 'omica, Conr. 71*- Pan.\]] 



angulata, Gray. 109. Panama. 



Petricola lamellifera, Conr. = Cordieri, 

 Desh. 88, 107. Monterey (do. Hart- 

 weg). (Young shell has radiating ribs 

 like Venus gnidia, &c.) 



lamellifera, var. = Cordieri, Desh. 



88. Monterey. 



carditoides, Conr. ?= cylindracea, 



Desh. 84. Monterey, with Bryozoon. 

 ? + P. Californica, Conr. = arcuata, 

 Desh. 

 Venus discors, Sow. 228, 229. Panama. 



, Gld. =grata, Say. 28. Guay- 



mas. 



amathusia, Phil. 231. Panama. 



• gnidia, Sow. 227- Panama. 



Anomalocardia subrugosa, Sow. 230. Pan. 

 Tapes tenerrima, Cpr. 187. Panama. 

 Cytherealupinaria,Less. 117. Mazatlan. 



affinis, Gld. =.tortuosa, Brod. 111. 



Panama. 



aurantia, Hani. 124. Mazatlan. 



. 1 . Sta. Barbara. [?] 



Trigona crassatelloides, . Conr. 2. Sta. 

 Barbara. 



■ . 113. Mazatlan. [?] 



? radiata, var. Hindsii, but more 



resembles the Tr. mactroides. Dead 

 valves. 189. Acapulco. 



planulata, Sow. 94. Mazatlan. 



tantillus, Gld. 14. Sta. Barbara. 



Dosinia Dunkeri, Phil. 112. Panama. 

 Cardita volucris, Gld. = affinis, Rve. ? 

 Cardium biangulatum, Sow. 78. Panama. 



• obovale, Sow. 184. Panama. 



graniferum, Brod.& Sow. 191. Maz. 



gemmatum, 55. 



■ maculosum, Kien. 153. " Panama" 



a prima manu, and probably correct; 



afterwards altered to " San Francisco." 



Lucina orbella, Gld. 1=Diplodonta semi- 



aspera, var. 83. Sta. Barbara. 

 Modiola recta, Conr. 87- Sta. Barbara. 

 Lithophagus falcatus, Gld. =L.Gruneri, 



Phil. 86. Monterey. 

 Area gradata, Brod. & Sow. 84. ? Ma- 

 zatlan. 



, Brod. & Sow. 8. Monterey. 



concinna, Gld. = similis, C. B. Ad. 



= tuberculosa, var. 82. ? Mazatlan. 



tuberculosa, Sow. 236. Lower Cal. 



grandis, Sow. 186, Panama. 



Area nux, Sow. 186 bis. Panama. 



Pacifica, Sow. Panama. 



alternata, Sow. 81. ? Mazatlan. 



, sp. ind. Dead valves. 185. ? 



Pectunculus incequalis, Gld. = assimilis, 



teste Cum. 4. Sta. Barbara. [?] 

 1 tessellatus. (Dead valves.) 190. 



? Mazatlan. 

 — — parcipictus, Sow. 77- Mazatlan. 

 Nucula polita. 223. Sta. Barbara. 

 Avicula sterna, Gld. 93. Panama. 

 Lima angulata, Sow. 180. Acapulco. 

 Pecten monotimeris, Conr. + latiauritus, 



teste Nutt. 179. Sta. Barbara. 

 Bulla cerealis, Gld. 20. Sta. Barbara. 



punctulata, A. Ad. 56. Acapulco. 



ctdcitella, Gld. 62. Sta. Barbara. 



Siphonaria gigantea. 206. Acapulco. 

 Chiton ornatus, Nutt. 197- Sta. Barbara. 



lineatus, Wood. 198. Panama. 



" muscosus, G. = Collei, live." = 



Hindsii, Sow. 199. Panama. 



Stokesii, Brod. 200. San Francisco. 



Californicus, Gld. = scaber, Rve. 



201. Sta. Barbara. 



■ Sitkensis, Rve. = Stelleri, Midd. 



202. Monterey [?]. 



Acmcea paliacea, Gld. =Nacella depicta, 



Hds. 8. Sta. Barbara. 

 Nacella incessa, Hds. (from kelp). 6. 



Sta. Barbara. 

 Acmcea patina, var. Esch. (= tessellata, 



Nutt.) 7. Sta. Barbara. 

 gigantea, = Kochii, Phil. 98. 



pintadina, Gld. = verriculata, Rve. 



= patina, var. Esch. 207. San Franc. 



scabra, Gld. = spectrum, Nutt. 



210. San Francisco. 



scabra, Nutt. 209. Monterey. 



, Nutt. 211. Sta. Barbara. 



persona, Esch. = Oregona, Nutt. 



2116^. 



■ mesoleuca, var. 214. Acapulco. 



Haliotis Cracherodii, Leach. 183. Mon- 

 terey. 



— — rufescens, Swains. 182. Monterey. 



Trochus picoides, Gld. 203. "? Sta. Bar- 

 bara." 



Buschii, Phil. ? = inermis, Gmel. 



115. Panama. 



, sp. ind. 216. Mazatlan. 



(Omphalius dentatus, Gmel.) 216 bis. 



Acapulco. This appears to be the com- 

 mon small smooth W. Indian species ; 

 probably imported. 



Panamensis, Phil. 217- Panama. 



reticulatus, Gld. = Omphalius viri- 



dulus, Gmel. —Byronianus, Gray. 219. 

 Mazatlan. 



