219. Crepidula lingulata, Gld. 



220. Crepidula nummaria, Gld. 



221. Crepidula rugosa, Nutt. 



222. Hipponyx antiquatus, Linn. 



223. Hipponyx barbatus, Sby. 



224. Hipponyx Grayanus, Mke. 



Vermetidae. 



225. Aletus squamigerus, Cpr. 



226. Spiroglyphus 



227. Spiroglyphus 



Turritellidae. 



228. Mesalia 



229. Mesalia 



Cerilliiadae. 



230. Bittium filosum, Old. 



231. Bittium 



232. Bittium 



233. Cerithidea albonodosa, Cpr. 



234. Cerithidea pullata, Gld. 



235. Cerithidea sacrata, Gld. 



LiiloB'iiiidse. 



236. Litorina planaxis, Phil. 



237. Litorina plena, Gld. 



238. Litorina scutellata, Gld. 



239. Litorina sitchana, Phil. 



240. Lacuna carinata, Gld. 



241. Lacuna unifasciata, Cpr. 



Ovulidae. 



242. Radius variabilis, Sby. 



Cyprseidae. 



243. Luponia albuginosa, Gray. 



244. Luponia spadicea. Swains. 



245. Trivia californica. Gray. 



246. Erato leucopheea, Gld. 



Cancel lariadse. 



247. Trichotropis cancellata, Hds. 



Pleui'otouiidiC. 



243. Drillia 



249. Daphnella 



250. Mangelia 



251. Mangelia 



252. Bela fidicula, Gld. 



253. Bela 



Conidae. 



254. Conus ravus, Gld. 



Pyraniidellidae. 



255. Odostomia gravida, Gld. 



256. Odostomia 



257. Parthenia 



258. Chemi»itzia [chocolata]. 



259. Chemnitzia tenuicula, G/d. 



260. Chemnitzia torquata, Gld. 



Euisniidae. 



261. Eulima 



262. 

 263. 



264. 



265. 

 266. 

 267. 

 268. 

 269. 

 270. 

 271. 



272. 



273. 

 274. 



275. 



276. 



277. 

 278. 

 279. 



280. 

 281. 

 282. 

 283. 

 284. 

 285. 

 286. 

 287. 

 288. 

 289. 

 290. 



291. 

 292. 

 293. 

 294. 

 295, 

 296, 

 297. 



298, 

 299, 

 300. 

 301. 

 302, 

 303, 

 304. 

 305. 



Scalai'iadae. 



Scalaria australis, Phil. 

 Scalaria [like ochotensis], 

 Scalaria 



]%^ati€id£e. 

 Natica ?clausa, JBrod. ^- Sby. 

 Natica impervia, Phil. 

 Lunatia algida, Gld. 

 Lunatia caurina, Gld. 

 Lunatia Lew^isii, Gld. 

 Neverita Recluziana, Rve. 

 Polinices perspicua, Red. 



TriiOBiidoe. 

 Argobuccinum oregonense. 



Bed/ 



RasiellidSB. 



Ranella californica, Hds. 

 Ranella triquetra, Bve. 



Mitriiaae. 

 Mitra maura, Nutt. 



Mai-^iiiellidae. 

 Marginella Jewettii, Cpr. 



Oiividae. 

 Olivella biplicata, Sby. • 

 Olivella rufofasciata, live. 

 Olivella 



PHipnridse. 

 Purpura decemcostata, Midd. 

 Purpura emarginata, Desh. 

 Purpura lactuca, Esch. 

 Purpura ostrina, Gld. 

 Monoceros engonatum, Conr. 

 Monoceros lapilloides, Conr. 

 Nitidella Gouldii, Cpr. 

 Nitidella 

 Truncaria 



Cerastoma Belcheri, lids 

 Cerastoma foliatum, Esch. 



Buccinidae. 

 Columbella californiana, Gask 

 Columbella carinata, lids. 

 Columbella gausapata, Gld. 

 Columbella sta-barbarensis, C. 

 Buccinum corrugatum, Rve. 

 Nassa fossata, Gld. 

 Nassa mendica, Gld. 



Miiricidae. 

 Chrysodomus antiquus, Linn. 

 Chrysodomiis Middendorffii, 

 Chrysodomus [ Cooper. 



Chrysodomus sitchana, Midd. 

 Trophon cancellinum, Phil. 

 Trophon corrugatum, Rve. 

 Trophon orpheus, Gld. 

 Pteronotus festivus, Eds. 



(«) 



