SYSTEMATIC INDEX. 



164. .Eolis papulosa. Papillate jEolis, 



165. .Eolis Murrayana. Murray's ZEolis, 



166. iEolis Cuvierii. Cuvier's iEolis, 



167. iEolis Lesliana. Leslie's iEolis, 



56. Tritonia. 



FAMILY II. 

 Tritonia, 



TRITONTINA, 



168. Tritonia arborescens. Arborescent Tritonia, 



169. Tritonia plebeia. Plebeian Tritonia, 



170. Tritonia atrofusca. Brownish-black Tritonia, 



57. SPHiEROSTOMA. SPHiEROSTOMA, 



171. Sphserostoma Jamesonii. Jameson's Spheerostom a, 



FAMILY III. DORINA, 



58. Doris. Doris, 



172. Doris tuberculata- Tuberculated Doris, 



173. Doris obvelata, Veiled Doris, 



174. Doris bilamellata. Papillate Doris, 



175. Doris aspera. Rough Doris, 



Pages 



70. 192 



70. 193 

 70, 193 

 70, 194 



70, 195 

 70, 195 



70. 195 



70, 196 

 346 



335 

 336 



71. 196 



71. 197 



71,197 



71, 198 



71. 198 

 71, 199 



ORDER IX. GASTEROPODA CTRROBRANCHIATA, 71, 199 

 FAMILY I. DENTALIINA, . 72, 199 



59. Dentalium. Tooth-Shell, ... 72, 199 



176. Dentalium Entalis. Common Tooth-Shell, . 72,200 



CLASS IV. TROPIOPODA, . 201 



ORDER I. TROPIOPODA LAMELLIBRANCHIATA,203,222 



SECTION I. MONOMYARIA, 

 FAMILY I. PECTININA, 



1. Pecten Scallop, 



1. Pecten maximus. Great Scallop, 



2. Pecten opercularis. Common Scallop, 



3. Pecten varius. Variegated Scallop, 



4. Pecten Isabella?. Isabella's Scal'op, 



5. Pecten sinuosus. Distorted Scallop, 



6. Pecten Pusio. Dwarf Scallop, 



7. Pecten Islandicus. Icelandic Scallop, 



8. Pecten obsoletus. Striulate Scallop, 



9. Pecten lsevis. Smooth Scallop, 



10. Pecten similis. Laskey's Smooth Scallop, 



11. Pecten tumidus. Unequal-sided Scallop, 



2. Lima. Rasp-Scallop, 

 12. Lima Loscombi. 



Loscombe's Rasp-Scallop, 



3. Crenella. Crenella, 



13. Crenella decussata. 



Decussated Crenella, 



4. Anomia. Scale-Oyster, 



14. Anomia Ephippium. Saddle Scale-Oyster, 



15. Anomia Scpiamula. Thin Scale-Oyster, 



16. Anomia undulata. Undulated Scale-Oyster, 



17. Anomia aculeata. Prickly Scale-Oyster, 



18. Anomia punctata. Punctulated Scale-Oyster, 



203, 222 



203, 222 



203, 222 



203, 223 

 203, 224 

 203, 224 



203, 225 



204, 225 

 204, 226 

 804,226 

 204, 22ii 

 204, 227 

 201,227 

 204, 228 



204, 228 



204, 228 



205, 229 

 205, 229 



205, 230 

 205, 230 

 205, 231 

 205, 231 

 205, 232 

 205, 232 



