INDEX. 



413 



PAGB 



Strophostomella, T. Ill 56 



Strophostylus, Hall. II 208 



Strumosa, Bottger. Ill 16 



Struthiolaria, Lam. II 196 



Sturia, Mojs. . . Ill 348 



Stylifer, Broderip. . II 231 



Styliferma, A. Ad. II 247 



Stylina, Gray. . . II 231 



Styliola, Lesueur, . II 91 



Stylocheilus, Gould. II 365 



Stylodonta, Cristof. Ill 46 



Styloides, Fitz. . Ill 63 



Stjdommatophora. Ill 10 



Styloptygma, A. Ad. II 236 



Subclymenia, d'Orb. II 57 



Subemarginula,Blainv.II 328 



Subeulima, Souverb. II 232 



Substricta, Bottger. Ill 75 



Subiila, Schumacher. II 182 



Subulina, Ads. . . Ill 60 



Subulina, Beck. . .Ill 61 



Subulina, Troschel. II 266 



Subulites, Conr. . II 232 



Succinea,Draparnaud.III 87 



Succineidse. . . . Ill 87 



Suessia, E. Deslongc. Ill 321 



Sulcobucciiium, d'Orb. II 113 



Sulcochiton. ... II 339 



Sulcocyprsea, Conr. II 197 



Sulcospira, Trosch. II 252 



Sulculus, H. & A. Ad. II 325 



Sultana, Shuttl. . Ill 58 



Sunetta, Link. . . Ill 179 



Surcula, H. & A. Ad. II 183 



Surculites, Conr. . II 183 



Susania, Gray. ... II 367 



Swainsonia,H.&A.Ad. II 170 



Sychar, Hinds. . . II 249 



Sycoceras, Pictet. . II 54 



Syeopsis, Conrad. . II 140 



Sycotypus, Ads. . II 203 



Sycotypus(Browne)G. II 139 



Sycura,Bayle. . . II 135 



SymraetrogephyruSjM.II 346 



Symnia, Risso. . . II 199 



Symphynota, Swains. Ill 241 



Syncera, Gray. . . II 272 



Syncyclonema, Meek. Ill 290 



Syndonites, Pirona. Ill 206 



Syndosmya, Recluz. Ill 163 



Syntoxia, Rafinesque.III 239 



Svntrielasma, M.&W. Ill 332 



Syringothyris,Win. Ill 321 



Syrinx, Bolt. . . II 127 



Syrnola, A. Ad. . II 238 



Syrnolopsis, E. A. S. II 238 



Systrophia, Pfr. . Ill 33 



Tachea, Leach. . . Ill 42 



Tacheocampylsea, Pfr.III 41 



Tffiniodon, Dunker. Ill 138 



Tsenioglossa. . . Ill 346 



Tagelus, Gray. . . Ill 133 



Taheitea, H. & A. Ad. II 277 



Talona, Gray. . . Ill 126 



Talonella, Gray. . Ill 127 



Talopia,Gray. . , II 311 



Talparia, Troschel. II 198 



Tamiosoma, Conrad. Ill 206 



Tanalia, Gray. . . II 252 



Tancredia, Morris. Ill 215 



Tanganyicia, Crosse. II 275 



Tania, Gray. ... II 254 



Tanychlam3^s,Benson.III 26 



Tanysiphon, Benson. Ill 183 



Tanystoma, Benson. Ill 56 



Taonius, Steenst. . II 30 



Tapada, Gray. . . Ill 42 



Tapada, Studer. .HE 87 



Tapes, Megerle. . Ill 182 



Tapesinse. ... Ill 182 



Taphius, H. & A. Ad.III 106 



Taphon, H. & A. Ad. II 140 



Taranis, Jeffreys. . II 186 



Tarebia, H. & A. Ad. II 253 



Taria, Gray. . . . Ill 162 



Tatea, Woods. . . II 259 



Taurasia, Bellardi. II 111 



Tauroceras, Schafh. Ill 207 



Teba, Strobel. . . Ill 39 



Tebennophoridse. . Ill 83 



TebennophoruSjBinn. Ill 83 



