296 



rollei Kob. 69. 



rostratum Sow. 211. 



rubrolineatum Sow. 241. 



rubus Sow. V. serratum 213. 



rueppeli Phil. 107. 



rugatum Carp. v. asperum 237. 



rupestre Risso 92. 



sacratum Gld. 60. 



sagrae d'Orb. 276. 



salebrosum Sow. 194. 



salmacidum Morel. 62. 



sandvicense Sow. 184. 



sayi Mke. t. nigrum 251. 



scabiicosta Dkr. 283. 



scabridum Phil. 150. 



scabridum Rve. 210. 



scabrum Blainv. v. reticulatum 269. 



scalariforme Say 61. 182. 



bculptum Pse. 243. 



sculptum Sow. V. inteiTuptum 233. 



selectum Melv. 273. 



semiferrugineum Lam. 143. 



seminude Bucquoy v. Tulgatum 90. 



semistriatum Mörch 37. 



semitrisulcatum Bolf. t. semistriatum 38. 



septemstriatum Say v. minimum 253. 



serotinum Ad. 173. 



serratum Wood 213. 



serYaini Locard v. vulgatura 88. 



similis A. Ad. 282. 



sinense Gmel. 20. 



sinense Phil. 68. 



sinon Bayle v. clathratum 173. 



siphonatum Sow. 127. 



sordidulum Gld. 215. 



sowerbyi Rve. 18. 



spadiceum Phil. 282. 



spathuliferum Rve. 108. . 



splendens Sow. 125. 



steenstrupi Troschel v. cumingi 136. 



stenodeum Loc. v. vulgatum 90. 



stercus muscarum Kien. 229. 



striatissimum Sow. 119. 



striatum Hombr. v. dialeucum 167. 



strumaticum Loc. v. rupestre 92. 



subatratum Kob. 193. 



subcariiiatum Sow. v. bicarinatum 155. 



submamillatum Rayn. 254. 



subnodosum A. Ad. 79. 



subulatum Lam. 11. 183. 



subviridis Sow. 139. 



subvulgatum Loc. v. vulgatum 88. 



sulcatum Born 41. 



suturale Phil. 166. 



taeniatum Quoy 25. 



taeniatum Sow. v. pingue 151. 



telescopium L. 57. 



tenellum Sow. 213. 



tenkatei Schepm. 174. 



tenue Rve. 181. 



tenue Sow. v. icarum 229. 



tessellatum Sow. 195. 



thomasiae Sow. 231. 



torresi Smith 244. 



trailli Sow. 99. 



tricarinatum Rve. 247. 



trochiforme Sow. 235. 



tryoni Kob. 169. 



tuberculatum Lam. v. coeruleum 84. 



tuberculiferum Pse. 100. 



tuberosum Fab. Col. v. erythraeonense 77. 



tuberosum Dillw. v. nodulosum 76. 



turritelliforme Ang. 271. 



turritum Sow. 129. 



umbonatum Sow. 112. 



