372 



IXPEX TO THE GENERA. 



Morex. 62, 167. 

 Mussel. 206, 2^4. 

 Mva. 219. 297. 

 Mvtilus. 2l>6. 234. 

 Nassa, 61. 164. 

 Natica, 61. 124. 

 Neriuria. 52. 129. 

 Neriune. 52. 129, 

 Xuciila, 207. 243. 

 Xncule, 207, 243. 

 Nummulina. 24, 34, 318. 

 Nuramuline, 24, 34, 3 IS. 

 Odostomia, 58. 123, 329. 345. 

 Paludina. 51. 122. ' 

 PateUa, 66. 179. 

 Pearl-Mussel. 207, 241. 

 Pecten, 203. 222. 

 Pectnncle, 337. 

 Pecrunculus. 337. 

 Periwinkle. 54. 135. 

 Pholas. 221, 304. 

 Phorcus. 53. 134. 

 Phvsa. 49, 111. 

 Pidd.:.ck, 221, 304. 

 Pinna, 206. 239. 

 Pisidium, 209, 248, 338. 

 Planorbis, 49, 113. 

 Plenrotoma, 63, 171. 

 PolymoTpliina, 320. 

 Polvmorphine, 320. 

 PolTstomeUa. 23, 33, 315. 

 Psanimobia. 216, 2ts3. 

 Pupa, 47, 99. 

 Purpura. 62. 166. 

 Pvramid-Shell, 52, 131. 

 Rasp^ Scallop, 204, 228. 

 Rimula. 65. 178. 

 Eissoa, 56, 146,327,341. 

 Rock-SheU. 62, 167. 

 Rock- Venus. 212. 268. 

 Rostellariaj 64, 173. 



Rotalia, 24, 35. 

 Saxicara, 217, 284. 

 Scale- Ovster. 205, 230. 

 Scallop.' 2l>3. 222. 

 Sepia, 22. 28. 

 Sepiola, 22. 26. 

 Sepiole. 22. 26. 

 Skenea, 53, 134. 

 Slit-Limpet, 65, 177. 

 Slug. 43. 74. 

 SuaU, 44. 79. 

 Solen, 216. 281. 

 Sphenia, 220. 300. 

 Sphaerostoma, 335. 

 Spindle- Shell, 62, 168. 

 Spiroloculina, 24, 36. 

 Spiroloculine, 24, 36. 

 Strlina, 343. 

 Succinea, 46, 95. 

 Tellina, 215. 279, 34 J. 

 Textularia, 25. 37. 

 Tliracia. 219. 295. 

 Tooth-Shell, 72, 196. 

 Toraatella, 60, 158. 

 Trichotropis, 63. 170, 330. 

 Tritonia, 70, 195. 

 Trochus, 52, 131,324. 

 Turbonilla, 326. 

 Turritena, 56, 140. 

 Vaginula, 322. 

 Vaaiuule, 322. 

 Velutina, 60, 160. 

 Vermiculum, 24, 36, 319. 

 Vertigo, 47. 100. 

 Venerupis, 212. 268, 339. 

 Venus, 212, 263. 

 Vitrina, 46, 94. 

 %Vhorl Snail, 47, 100. 

 Zone-Snail, 45, 87, 323. 

 Zonites, 45, 87, 323. 



GENERA OF MALENTOZOA. 



Acorn Shell, 354, 360. Lancet-Bamacle, 354, 360. 



Ealanus, 354, 360. Lepas, 353, 356. 



Earnaae, 353. 3-56. i Scalpelluni, 354, 36.5. 



Cetopirus, 356. 36-5. I Wart- Shell, 3>5, 365. 



Clida, 355, 365. ' 'VMiale- Barnacle, 356, 36-5. 



