IKDEX. 



OboleUa, *03. 

 Odontostoma, 49. 

 Odostomia, 19. 

 Olivedse, 15. 

 Omalogyra, 31. 

 Ompfialia, 26. 

 Omphalius, 36. 

 Onoceras, *7. 

 Ophicardelus, 45. 

 Ophidioceras, *8. 

 Ophileta, *34. 

 Ophioceras, 8. 

 Ophistliostoma, *4S. 

 Opistlio-Branchiata, 51. 

 Opisthoporus, 47. 

 Ortliidse, 60. 

 Ortlioceras, *7. 

 Orthoceratidse, 5. 

 Orthonychia, 34. 

 Ostreidee, 64. 

 Otina, 46. 



Paladilliea, *23. 

 x'alaearea, *70. 

 PaJeeomja, *78. 

 Paludina, 29. 

 Paludinella, 29. 

 Paludinidee, 29. 

 Paludomus, 27. 

 Partlienia, 19. 

 Patellidse, 39. 

 Patina, 39. 

 Pectinidee, 64. 

 Pedipes, *45. 

 Peltarion, *12. 

 Peplidia, 51. 

 Perenna, *50. 

 Pemiidae, 66. 

 Pemopecten, *65 

 Pemostroea, *64. 

 Persa, 45. 

 PhasianeUa, 35. 

 Phasianema, 32. 

 Phidiana, *52. 

 Philippia, 33. 

 Philomycus, *42. 

 Philopotamis, *27. 

 Pholadidse, 80. 

 Phragmotlieca, 64. 

 Phyllobranchus, *53. 

 PhylloteutliLS, *3. 

 Physella, *45. 

 Piloceras, *7. 

 Pinaxia, 15. 

 Pinna, *68. 

 Pinniinae, 68. 

 Pira, 45, 

 PithareUa, *43. 

 Planaxis, 23. 

 Platyceras, *34. 

 Plecotrema, *45. 

 Plectostoma, 48. 

 Pleurocera, 23. 

 Pleurotomaria, 37 

 Plicatula, *65. 

 Plocamophonis, **ol. 



Poej-ia. *44. 

 Polinices, 17. 

 Pomatiopsis, 29. 

 Pomphol3-x, *43. 

 Pomus, 29. 

 Poronia, 73. 

 Poromya, 79. 

 Potodoma, 28. 

 Prasina, 69. 

 P>-isco7iaia, 71. 

 Propilidilun, *40. 

 Proserpina, *49. 

 Proserpinella, 50. 

 Proserpinidffi, *48. 

 Prosobrancliiata, 13. 

 Psathura, *77. 

 Ptseudocardium, *79. 

 Pseudomelania, 20. 

 Pterinea, 66. 

 Pterineinae, 66. 

 Pteroperna, 66. 

 Pteropoda, 63. 

 Pterostoma, *30. 

 Ptycliatractus, *ir!. 

 Ptychina, 72. 

 Ptychostoma, 18. 

 Pulmonifera, 41. 

 Purpura, 15. 

 Pupuridee, 15. 

 Purpurina, *18. 

 Pyi-amidella, *19. 

 PjTamidellidae, 19, 

 PjTamis, 36. 

 Pyrgiscus, 26. 



Quenstedtia, *78. 

 Quoyia, *23. 



Eapana, 15. 

 Eaulinia, *32. 

 Rensselseria, 54. 

 Bensselceria, 69. 

 Eliiostoma, *47. 

 Ehizochilus, 15. 

 Hhodostoma, 45. 

 EhjnichoneLLidse, 59. 

 Ehynchospira, *58. 

 Eibeiria, *80. 

 Eicinula, 15. 

 RiseUa, 32. 

 Eisfoidffi, 30. 

 Eotella, 36. 

 Eowellia, 40. 



Salterella, *63. 

 Sandbergeria, 21. 

 Scalaria, 26. 

 Scalariadae, 26. 

 Scaliola, *30. 

 Scalenostoma, 20. 

 Schasicheila, *50. 

 Schismope, *38. 

 Scliizostoma, 28. 

 Scissurellinie, 37. 

 Sidula, 45. 

 ISignia, 45. 



F 



Siliquaria, 25. 

 Slteneidse. 31. 

 Skenidium, *60. 

 Solaridse, 33. 

 Solarium, 33. 

 Soleniscus, *20. 

 Sophina, *41. 

 Sowerbya, *78. 

 Sidra, 31. 

 Spiraculiim, *47. 

 Spiriferida?, 54. 

 Sportella, *73. 

 Steiiocisma, 58. 

 Stenothyra, 29. 

 Stilifer, *21. 

 Suliferidee, 21. 

 Stoastoma, 50. 

 Stolidoma, *46. 

 Strebloceras, *26. 

 Strephobaais, 28. 

 Strepoma, 28. 

 Streptoceras, *8. 

 Streptorhj'nclius, *GQ. 

 Stricklmidia^ 59. 

 Stricklandinia, *59 . 

 Strophostylus, *34. 

 Styliferina, *21. 

 Syncera, 29. 

 SyringotJiyris, *54. 



Taheitia, 51. 



Tanalia, *27. 



Tebennophorus, 43. 



Tectaria, 32. 



Teinostoma, *37. 



Telescopella, 28. 



Tellinidae, 78. 



Tellinomya, 70. 



Terebratulidee, 53. 



Terebratula, *53. 



Teredo, 81. 



Terquemia, *65. 



Tessarolar, 24. 



Tetrabranchiata, 5. 



Teuthidae, 3. 



Thiatyra, 72. 



Thysaira, 72. 



Torellia, *19. 



Torinia, 33. 



TornateUidae, 51. 



Tralia, 45. 



Tremanotus, *39. 



Trematoepira, *57. 



Tretoceras, *7. 



Trigoniadae, 71. 



Trigonoccelia, 70. 



TrimereUa, *63. 



Ti'ipleiia, 59. 



Tritoniadae, 52. 



Trochococlilea, 36. 



Trochus, 35. 



Tropidoleptus, *61. 



Truncaria, *14. 



TruncateUa, *50. 

 I Trypanostoma, 28. 

 1 rubifer,2Z, 85 



