482 



INDEX. 



river mussel, 18, 34, 



274. 

 Bivicola, 171. 

 Roman-snail, 15. 

 Rossia, 71. 

 Rostellaria, 105. 

 rostrifera, 455. 

 Rotella, 144. 

 Roxania, 182. 

 Runcina, 187. 

 Rupellaria, 307. 

 ' Rxqricola, 321. 



Sagda, 163. 

 Sagitta, 199. 

 salivary, 30 

 Salpa, 31, 49, 344. 

 Sanguinolaria, 311. 

 Sanguinolites, 266, 



301, 323. 

 sargasso sea, 361. 

 Saxicava, 320, 354. 

 Saxidomus, 305. 

 SccBa, 207. 

 Scalaria, 133. 

 Scaldia, 472. 

 Scalites, 147. 

 scallop, 256. 

 Scapha, 119. 

 Scaphander, 184. 

 Scaphella, 119. 

 Scaphites,95. 

 Scaphula, 117. 

 Scaphula, 268, 408. 

 Scai'abus, 173. 

 Schizochiton, 157. 

 Schizodesma, 308. 

 Schizodus, 272. 

 Schizostoma, 145. 

 Schizotreta, 238. 

 Sciadephorus, 449, 

 Scintilla, 470. 

 Scissurella, 147, 463. 

 Sclerotic, 22. 

 Scoliostoma, 462. 

 Sconsia, 115. 

 Scaccbia, 294. 

 Scrobicularia, 312. 

 Scurria, 155. 

 Scutelliua, 155. 

 Scutus, 151. 

 ScyUaea, 12, 193. 

 sea-hare, 15. 

 sea-snail, 12. 



Sedgwickia, 322. 

 Segmentina, 172. 

 Semele, 312. 

 Semi-corbis, 293. 

 Sepia, 76, 446, 448. 

 Sepiola, 71. 

 Sepioteuthis, 70. 

 septa, 78. 

 Septifer, 265. 

 Seraphs, 106. 

 Serpulorhis, 133. 

 Serripes, 291. 

 eeta9,212. 

 shell cameos, 46. 

 shell-opal, 16. 

 shell-sand, 16. 

 Sidnyum, 343. 

 Sigaretus, 124. 

 Sigillina, 343. 

 Siliqua, 316. 

 Siliquaria, 133, 316. 

 Simpulopsis, 163. 

 Sinemuria, 302. 

 sinnpallialia, 252, 

 sinus, 26, 31. 

 Sinusigera, 207. 

 siphonal line, 251. 

 Siphonaria, 155, 174. 

 Siphonhtm, 133. 

 Siphonostoma, 166. 

 siphonostomata, 34, 



103. 

 Siphonotreta, 238. 

 Siphonotus, 185. 

 siphons, 33. 

 Siphopatella, 152. 

 siphuncle, 78. 

 Skenea, 137. 

 slug, 12, 28. 

 Solarium, 135. 

 Solecurtoides, 315. 

 Solecurtus, 316. 

 Solemya, 271. 

 Solen,3I5. 

 Solenella, 270. 

 Solenomya, 271. 

 SoJenopsis, 266. 

 Soletellina,^\l. 

 Sowerbya, 308, 472, 

 Spatha, 275. 

 species, 56. 

 specific, gr. 39, 73. 

 specific names, 60. 

 spermatozoa, 50. 



Sphaera, 293. 

 Sphcerella, 294. 

 Sphcerium, 297. 

 Sphceronites, 331. 

 Sphcervlites, 285. 

 Sphenia, 318. 

 sphincter, 25. 

 spicula, 23. 

 Spinigera, 105. 

 SpirateUa, 207. 

 Spii-axis, 464. 

 Spirialis, 207. 

 Spirifera, 223. 

 Spiriferina, 223. 

 Spirigera, 223. 

 Spb-igerina, 228. 

 Spirogiyphus, 133. 

 Spirula, 13, 77. 

 Spirulirostra, 76. 

 Spisula, 308. 

 splauchno-skeleton, 



48. 

 Spondylohohis, 236. 

 Spondylus, 43, 259. 

 Spongarium, 79. 

 Spongiobranchaaa, 



209. 

 sporadic, 350. 

 squid, 69 

 Stalagmium, 269. 

 Steganostoma, 177. 

 Stenoceras, 93. 

 Stenopus, 163. 

 Stoastoma, 178. 

 Stomatella, 145. 

 Stomatia, 124. 

 Stomatia, 147. 

 Straparollus, 145. 

 Streblopteria, 468. 

 Strcphona, 116. 

 Streptaxis, 163. 

 Streptorhynchus, 



230. 

 Strigilla, 310. 

 Stringocephalus, 



222. 

 Strobilus, 166. 

 Strombidia, 105. 

 Strombus, 104, 452. 

 Strophalosia, 234. 

 Stropheodonta, 231. 

 Strophomena,230. 

 Strophostoma, 170. 

 Strepsidura,. 109. 



Struthiolaria, 130, 



452. 1 



Stycla, 338. 

 Stylifer, 126. ' 



Stylina, 23, 126. 

 Styliola, 205. ! 



Stylochilus, 465. ' 



Sub-clymenia, 87. ' 

 Subula, 111. 

 Subidina, 165, 402. [ 

 Succinea,164. [ 



Suessia, 466. 

 Sulco-buccinum, 111. i 

 Sunetta, 305. j 



sutures, 78, 100. \ 



Sycotypus, 109. i 



Symphynota, 274. ] 

 Syncera, 137. 

 Syndosmya, 312. 

 Synoecium, 343. 

 synonyms, 59. 

 Syntetbys, 340. , 



systemic, 30. I 



tasnioglossa, 450. i 



Tanalia, 131,462. j 

 Tancredia, 293. j 



Tanystoma, 464. 

 Tapes, 306. 

 Tebennophorus, 168. 

 Tectaria, 134. 

 tectibranchiata, 179. i 

 Tegula, 143. ' 



teleologicaJ, 56. 

 Tellina, 310. \ 



Tellinides, 310, | 



Tollinomya, 322, 

 Temnochilus, 86. 

 Tentaculites, 88, 205...^ 

 Terebellum, 106, 132. \ 

 Terebralia, 128. 

 Terebra, 111. i 



Terebratella, 217. \ 

 Terebratula, 8, 215. i 

 Terabratulina, 216. | 

 Terebnrostra, 217. 

 Teredo, 43. 

 Tergipes, 195, 

 test, 332. 

 testacea, 36. 

 Testacella, 13, 465. 

 tethya, 337. 

 tethyum, 337. 

 Tethys, 193, 337. 



