80 CAMFUltNIA ACADEMY OF SCIENCES. 



MOLLUSCA (Continued). 



222. iiioiidicn Oori.D '-.SS 



223. Ill lion (!oim.i>, vnr. cooperi PoimiM 2.34 



224. perpiiiKuiK Hinhs 2.'J4 



22.1. tcgiilu Ukkve 2.T5 



226. versicolor C. B. Adams, var. hooveri, vnr. iiov 2.'J6 



Fiivilhj l.X. Cohimh,Ui,l<r 236 



UCIII18 Coiuiulielln IjAMARck 236 



227. solidiilii Ukbvb, var. prrooiirsor, var. iiov 236 



SnbgeiiuR AiinchiK H. k A. Auams 237 



228. (A.) minima, «p. iiov 237 



SnbgeuiiH .Tisopus OocLU 2,37 



220. (.li.) i^lirysalloiilea Cakpenter 237 



2.S0. (.'E.) oldroytli, sp. iiov 238 



Subgenus Astyris H. & A. Adams 2.38 



231. (A.) cnliforniana Oaskoin 2.38 



232. (A.) gausapata Goold 2:i!l 



233. (A.) gausapata Gould, var. cniiuata Hinds 240 



234. (A.) tuberosa Cari'KNTkr 240 



Genus Ampkissa H. & A. Auams 241 



235. corrugata Rkkve 241 



236. vcntrioosa, sp. uov 242 



2.37. versicolor Dali 242 



Family LXl. Murkuke 243 



Genus Murex Linne 243 



Subgenus Chicorcus Montfort 243 



238. (C.) leoauus Dall 243 



239. (C.) trialatus Sowerhv 243 



Subgenus Pteronotus Swai.nson 244 



240. (P.) festivus HiNUS 244 



Subgenus Pterorhytis Conrad 244 



241. (P.) foliatus Martyn 245 



242. (P.) uuttalli Conrad 245 



243. (P.) mouoceros Sowerby 246 



Genus Monoceros Lamarck 246 



244. engouatum Conbad 246 



245. lapilloides Conrad 247 



Genus Chorus Gray 247 



246. belcheri Hinds 247 



Gcuus Euplenra H. & A. Adams 248 



247. mnriciformis Bhoderip 248 



248. muriciformis, var. curta, var. nov 249 



Genus Trophon Montfort 249 



Subgenus Boreotrophon Fischer 249 



249. (B.) ccrriteusis, sp. nov 249 



250. (B.) gracilis Perry 250 



251. (B.) multicostatus Eschscholtz 251 



252. (B.) pcdroana, sp. nov 251 



2.53. (B.) scalariformis Goold 252 



254. (B.) stuarti Smith 252 



255. (B.) orpheus, var. priecursor, var. nov 253 



256. (B.) tenuisculptus Carpenter 253 



257. (B.) triangulatas Carpenter 254 



Genus Ocinebra Leach 254 



258. barbareusis Gabb 254 



259. foveolata Hinds 255 



260. interfossa Carpenter 255 



261. keepi, sp. uov 256 



262. lurida Middesdorff 256 



263. lurida Midd., var. aspera Baird 257 



