130. Placunanomia cepio, Gray. 

 331. Placunanomia macroschisma, 



132. Anomia lampe, Graij. [Dcsh. 



«4STEROB»OB>4 

 OPISTIIOBRANCSfllATA. 



Bullidse. 



133. Bulla nebulosa, GId. 



134. Haminea vesicula, Old. 



135. Haminea virescens, Sbi/. 



136. Haminea 



137. Tornatina cerealis, Gld. 



138. Tornatina culcitella, Gld. 



139. Tornatina inculta, Gld. 



140. Tornatina 



141. Cylichna 



GASTEROPODA 

 PROSOBRANCHIATA. 



CIRRIBRANCHIATA. 

 Dentaliadae. 



142. Dentalium 



143. Dentalium 



SCUTIBRANCHIATA. 

 Cliitoiiiclae. 



144. Callochiton interstinctus, Gld. 



145. Lepidochiton Mertensii, Midd. 



146. Lepidochiton scrobiculatus, 3/. 



147. Tonicia iineata, Wood. 



148. Mopalia Blainvillei, Brad. 



149. Mopalia Hindsii, Sb>/. 



150. Mopalia Simpsonii, Graij. 



151. Mopalia vespertina, Gld. 



152. Katherina tunicata, Sbij. 



153. Cryptochiton Stelleri, Midd. 



154. (Chiton) acutus, Cpi-. 



155. (Chiton) californicus, N'utt. 



156. (Chiton) dentiens, Gld. 



157. (Chiton) Hartwegii, Cpr. 



158. (Chiton) lignosus, Gld. 



159. (Chiton) montereyensis, C. 



160. Chiton muscosus, Gld. 



161. (Chiton) Nuttalli, Cpr. 



162. (Chiton) ornatus, Nutt. 



163. (Chiton) regularis, Cpr. 



164. Chiton scaber, Rce. 



165. (Chiton) Wosnessanskii, M, 



Patcllidac. 



166. Patella toreuma, Rve. 



167. Nacella depicta, //(/.•,•. 



168. Nacella incessa, Ildg. 



169. Nacella instabilis, Gld. 



A cm acid u^. 



170. Acmaea Asmi, Midd. 



171. 



172. 

 173. 

 174. 

 175. 

 176. 

 177. 



178. 

 179. 

 180. 

 181. 



182. 



183. 

 184. 

 185. 

 186. 



187. 

 188. 



189. 

 190. 

 191. 

 192. 

 193. 

 194. 

 195. 

 196. 

 197. 

 198. 

 199. 

 200. 

 201. 

 202. 

 203. 

 204. 

 205. 

 206. 

 207. 

 208. 

 209. 

 210. 

 211. 

 212. 



213. 



214. 

 215. 

 216. 

 217. 

 218. 



Acmasa patina, Esch. 

 Acmaea pelta, Esch. 

 Acmaea persona, Esch. 

 Acmaea scabra, Nutt. 

 Acmaea spectrum, Nutt. 

 [Tecturella] grandis, Gray. 

 Scurria mitra, Esch. 



FiiHSiirellidse. 



Fissurella volcano, Rve. 

 Glyphis aspera, Esch. 

 Lucapina crenulata, Sbi/. 

 Puncturella cucullata, Gld. 

 Puncturella galeata, Gld. 



llsiliotidae. 



Haliotis californiensis. Swains. 



Haliotis corrugata. Gray. 



Haliotis Cracherodii, Leach. 



Haliotis [//Aekamtschatkiana] 



Haliotis rufescens, Su-ai7is. 



Haliotis splendens, Rve. 



Ti'ocliidte. 



Phasianella compta, Gld. 

 Pomaulax undosus, Wood. 

 Pachypoma diadematum, Val 

 Trochiscus Norrisii, Sby. 

 Ziziphinus annulatus, Mart. 

 Ziziphinus doliarius, Chemn. 

 Ziziphinus filosus, Wood. 

 Livona picoides, Gld. 

 Osilinus gallina, Fbs. 

 Osilinus 



Omphalius aureotinctus, Fbs. 

 Omphalius brunneus, A. Ad. 

 Omphalius euryomphalus, .A 

 Omphalius fuscescens, Phil. 

 Omphalius maestus, Jonas. 

 ?Omphalius marcidus, Gld. 

 Omphalius marginatus, Nutt. 

 Omphalius Pfeifferi, Phil. 

 Margarita callostoma, A. Ad. 

 Margarita pupilla, Gld. 

 Margarita 

 Margarita 

 Margarita 

 Margarita 



PECTINIBRANCHIATA. 

 Calyptrieidic. 



Crucibulum spinosum, Shy. 

 Galerus fastigiatus, Gld. 

 Crepidula aculeata, Linn. 

 Crepidula adunca, Sby. 

 Crepidula explanata, (jid. 

 Crepidula incurva, Brod. 



(«) 



