CONTEXTS. XI 



TAGE 



Fam. II. Muricidcv. — Murcx, Typhis, Pisania, EaneUa, Triton, 

 Fasciolaria, TurbincUa, Cancellaria, Dibaphus, Tricho- 

 tropis, Pyrula, Fusus 212 



Fam. III. Biiccinidce. — Buccinum, Pseudoliva, Anolax, 

 Halia, Terebra, Eburna, Nassa, Phos, Eingicula ?, Purpura, 

 Purpurina, Khizocbilus, Monoccros, Pedicularia, Eicinula, 

 Planaxis, Magilus, Cassis, Oniscia, Cassidaria, Pachyba- 

 thron, Dolium, Harpa, ColumbeUa, Oliva, AnciUaria .... 218 



Fam, IV. Conid(c. — Conus, Pleui'otoma, Cithara 228 



Fam. V. Vol i(t idee. — Voluta, Cymba, Mitra, Volvaria, Mar- 

 ginella 229 



Fam. VI. Ci/2Jraid(e.—Cy])T8Ga., Erato, Ovulum 232 



Section B. Holostomata 234 



Fam. I. Naticidce. — Natica, Deshayesia, Naticella, Sigaretus, 



Lamellaria, Narica, Velutina, CryptoceUa 235 



Fam. 11. Fyramiddlidce. — Pyramidella, Odostomia, Chem- 



nitzia, Eiilima, Mouoptigma, Aclis, Styloptygma, Myonia, 



Leucotina, Stilifer, Loxonema, Macrocheilus 238 



Fam. III. Cerithiadce, — Cerithium, Potamides, Kerin£ea, 



Fastigiella, Aporrbais, Strutbiolaria 242 



Fam. IV. Melaniadce. — Melania, Paludomus, Melanopsis . . 246 

 Fam. V. Turritellidce. — Turritella, C?ecum, Vermetus, Sili- 



quaria, Sealaria 248 



Fam. VI. Littorinidce. — Littorina, Solarium, Phorus, Lacuna, 



Litiopa, Eissoa, Skenea, Truncatella ?, Litboglypbus .... 250 

 Fam. VII. T'aludinidce. — Paludina, Ampullaria, Ampbibola, 



Valvata ' 257 



Fam. VIII. Neritidce. — Kerita, Pileolus, Neritiiia, Xavicella 260 

 Fam. IX. Turbinidce. — Turbo, Phasianella, Imperator, Tro- 



chus, Eotella, Monodonta, Delpbinula, Adeorbis, Euom- 



pbalus, Stomatella, Broderipia 263 



Fam. X. Haliotis. — Haliotis, Stomatia, Teinotis, Scissurella, 



Pleurotomaria, Murcbisonia, Trocbotoma, Cirrus, lantbina 268 

 Fam. XL Fissurellidce. — Fissurella, Puncturella, Eimula, 



Emarginula, Parmophorus 272 



Fam. XII. Cahjptrmida. — Calyptra3a, Crepidula, Pileopsis, 



Hipponyx 275 



Fam. XIII. Tatdlidcc. — Patella, Acmaa, Gadinia, Siphonaria 278 



Fam. XIV. Dcntcdiadce. — Dentalium 282 



Fam. XV. Chitonida. —Ohiion 282 



