ON MOLIiUSCA OF THE WEST COAST OP NORTH AMERICA. 



229 



Donax navicula, Hani. 74. Panama. 

 rostratus, C. B. Ad. := culminatits, 



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



plentiful." [?] Non Nutt. 



Californicus, Conr. 37*. Sta.Barb. 



gracilis, Hani. 183. Sta. Barbara. 



Jiexuosus, GUI. Sta. Barbara. 



Mactra Culifornica, Conr. 71*- Pan. [?J 



^ angulata. Gray. lOD. Panama. 



Petricola lamellifera, Conr. =; Cordieri, 



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



weg). (Young shell lias radiating ribs 



like Venus gnidia, &c.) 

 • lamellifera, var. = Cordieri, Desb. 



88. Monterey. 

 carditoides, Conr. ?= cylindracea, 



Desh. 84. Monterey, with Bryozoon. 



1 + 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. 

 Cytherea lupinaria, hess. 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 Dunleri, 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. '?=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 inaqualis, Gld. = assimilis, 



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

 ? tessellatus. (Dead valves.) 190. 



? Mazatlan. 



jjarcipietus. 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 eerealis, Gld. 20. Sta. Barbara. 



punctulata, A. Ad. 56. Acapulco. 



culcitella, Gld. 62. Sta. Barbara. 



Siphonaria gigantea. 206. Acapulco. 

 Chiton ornatus, Nutt. 197. Sta. Barbara, 



lineatus. Wood. 198. Panama. 



"muscosus, G. = Collei, Rve." = 



Hindsii, Sow. 199. Panama. 



Stokesii, Brod. 200. San Francisco. 



Californicus, Gld. = scaber, Rve. 



201. Sta. Barbara. 



■ Sitkensis, Rve. = Stelleri,- Midd. 



202. Monterey [?J. 



Acmaa paliacea, Gld. =Nacella depicta, 

 Hds. 8. Sta. Barbara. 



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

 Sta. Barbara. 



Acmeea patina, var. Esch. (:= tessellata, 

 Nutt.) 7. Sta. Barbara. 



gigantea, = Koehii, Phil. 98. 



Monterey. 



pintadina, Gld. = verriculata, Rve. 



= ^c!<m«, var. Esch. 207. San Franc. 



scabra, Gld. = spectrum, Nutt. 



210. San Francisco. 



scabra, Nutt. 209. Monterey. 



, Nutt. 211. Sta. Barbai-a. 



persona, Esch. = Oregona, Nutt, 



211 bis. 



■ mesoleuea, var. 214. Acapulco. 



Haliotis Cracherodii, Leach. 183. Mon- 

 terey. 



■ rufescens. Swains. 182. Monterey. 



Trochus 2}icoides, Gld. 203. "? Sta. Bar- 

 bara." 



Busckii, 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. z=Byronianus, Gvay. 219, 

 Mazatlan. 



