GENERAL 



Sigapatella, 119. 

 Sigaretus, 92. 



Sigaretus, name given by Adanson, 112. 



Siliqua, 251. 



Siliquaria, a pod, 131. 



Sinemuria, 274. 



Siphonaria, a channel, 1 33. 



Siphonariacea, 132. 



Siphonostoma, 186. 



Siphonotreta, 345. 



Siphopatella< 1 1 8. 



Sissurella, 145. 



Sibtrum, 72. 



Skenea, after Dr. Skene, 1 03. 



Solarium, a staircase, or gallery, 106. 



Solecurtus, 251. 



Solen, an ancient name, 250. 



Solenacea, 249. 



Solenella, 283. 



Solenomya, Solen and My a, 278. 



Solenomyacea, 277. 



Solidula, 169. 



Speo, 169. 



Sphaera, a ball, 317. 



Sphcerium, 232. 



Sphcerulites, 347. 



Sphenia, 244. 



Spinigera, a spine, 55. 



Spiralis, 213. 



Spiratella, 213. 



Spiracella, whorled, 123. 



Spirifer, 335. 



Spiriferidas, 335. 



Spirula, diminutive of Spira, 37. 



Spirulirostra 



Spondylus, an ancient name, 316. 

 Spongiobranchaea, sponge, and gills, 214. 

 ' Steira, 205. 

 Stenopus, 174. 

 Stiliger, 201. 



Stoastoma, a pillared hall, and mouth, 197. 

 Stomatella, a little mouth, 144. 

 Stomatia, mouthed, 144. 

 Stomatia, 112. 

 Stomax, 144. 

 Strephona, 86. 



Streptaxis, a twisted axis, 180. 



Stringocephalus, 337. 

 i Strobilus, 187. 

 I Strombacea, 52. 



S trombus, a twisted cone. 53. 



Strophalosia, 340. 

 | Strophomena, 343. 



Strophostoma, 196. 

 • Struthiolaria, an ostrich, 57. 



B 



INDEX. 369 



Stylina, pointed, styliforra, Stylifer, 110. 

 Stylinacea, 109. 

 Subula, 77. 



Subulites, an awl, or piercer, 128. 



Succinea, amber, 175. 



Sutura, 309. 



Sycotyjohus, 64. 



Syndosmya, 230. 



Tapes, 222. 



Tectibranchiata, 157. 



Tectus, 105. 



Tellina, the earth, 225. 

 Tellinacea, 220. 



Tellinomya, Tellina, and Mya, 249. 



Terebellum, 93. 



Terebellum, an augur, 55. 



Terebra, an augur, 77. 



Terebratella, diminutive of Terebratula, 329. 



Terebratula, bored, 331. 



Terebratulida?, 329. 



Terebra tulina, 332. 



Terebriroscra, 332. 



Teredina, diminutive of Teredo, 257. 



Teredo, a piercer, 255. 



Tergipes, 201. 



Testacella, a little shell, 172. 

 Tethys, 201. 



Tethys, a name for the sea, 222. 

 Tetrabranchiata, four, and gills, 38. 

 Tetraplodon, 288. 



Teuthopsis, cuttle fish, and like, 34. 



Thalassina, 275. 



Thaliicera, 194. 



ThaUopus, 161, 



Theca, a sheath, 210. 



Thecacera, 201. 



Thecaphorus, 166. 



Thecideada?, 334. 



Thecidium, a box, 334. 



Thecosomata, 209. 



Theodoxus, 137. 



Thetis, 273. 



Thracia, from Thrace, 240. 

 Thyasira, 269. 

 Thyreus, 123. 



Tiedemannia, after Tiedemann, 212. 

 Timoriena, from Timor, 206. 

 Tomigerus, 180. 

 Tomigerus, 180. 

 Tomostoma, 137. 

 Tornatella, 169. 



Tornateliina, diminutive of Tornatella, 187. 

 Toxoceras, a bow, and a horn, 47. 

 Trapezium, square, 276. 

 Trematis, 345. 



B 



