Deslongchampsia, *39 
Diarthema, *24., 
Diastoma, *30. 
Dibranchiate, 3. 
Dicerocardium, *75. 
Diplothyra, 81. 
Discoceras, *8. 
Disculus, 33. 
Ditremaria, *38. 
D’Orbignya, 72. 
Doride, 51. 
Doridopsidas, *52. 
Doridopsis, *52. 
Dosiniopsis, *76. 
Dunkeria, 20. 
Eatonia, *59. 
Eglisia, 26. 
Eichwaldia, *59. 
Eligmus, *67. 
Embia, 79. 
Eneta, 16. 
Endoceras, *7. 
Enida, 36. 
Eolide, 52. 
Eopteria, 66. 
Etallonia, *51. 
Ethalia, *37. 
Eucharis, 79. 
Euchrysalis, 21. 
Eucosmia, *35. 
Eucyclus, *32. 
Eulima, 20. 
Eurycelon, 28. 
Euspira, 17. 
Eustoma, *22. 
Exelissa, *22. 
Fibula, *22. 
Fischeria, *74, 
Fissilabria, 23. 
Fossarus, *32. 
Fissurellidz, 39. 
Gadinia, *40. 
Gadus, *40. 
Ganga, 27. 
Gasteropoda, 13 
Geomelania, 50. 
Georissa, *50. 
Geostilbia, 41. 
Gibbula, 35. 
Globularia, 17. 
Globulus, 17. 
Glossoceras, *6. 
Glotella, 28. 
Goniatide, 10. 
Goniatites, 10. 
Goniobasis, 28. 
Gonioceras, *7. 
Goodallia, *77. 
Goodalliopsis, *77. 
Gosavia, *17. 
Gryphorhynchus, 68. 
Gymnodoris, 51. 
Gyrotoma, *28. 
84 
INDEX. 
Haliotide, 37. 
Haliotinee, 37. 
Hamulina, *12. 
Harpa, 15. 
Harpax, 65. 
Harpella, 16. 
Helcion, *39. 
Helicide, 41. 
Helicina, 50. 
Helicinide, 50. 
Heliocryptus, *34. 
Helonyz, 40, 
Hemsinus, 27. 
Hercoceras, *9. 
Hermiceratites, *63. - 
Hero, *52. 
Hippurites, 72. 
Hippuritide, 72. 
Holopella, *27. 
Homalogyra, *31. 
Hornesia, *67. 
Hyalimax, *42. 
Hydrobia, 29 
—Incilaria, 43. 
Tanthinidz, 34. 
Io, *28. 
Topas, *15. 
Isanda, 36. 
Ischyrina, *71. 
Tsodoma, *78. 
lsodonta, 78. 
Jerdonia, 47. 
Kalinga, 52. 
Keilostoma, *30. 
Kellia, 73. 
Kelliidz, 73. 
Keyserlingia, 63. 
Kilvertia, 22. 
Krynickia, *42, 
Lacuna, 32. ; 
Lacunella, *32. 
Laimodonta, 45. 
Lanistes, 29. 
Lanistes, 68. 
Lanistina, 68. 
Lasza, *73. 
Leiorhynchus, 56. 
Leiostraca, 20. 
Lepeta, *40. 
Leptoceelia, *54. 
Leptoconchus, 15. 
Leptomaria, *37. 
Leptozxis, 29. 
Leuconia, 45. 
Leucorhynchia, *36. 
Leucostoma, 23. 
Limacide, 42. 
Limnzide, 43. 
Limopsis, *70. 
Lingulella, *62. 
Lingulepis, *62, 
Lingulide, 62, 
Lnomesus, 14, 
Lirator, 45. 
Lithasia, 28. 
Littorina, 32, 
Littorinella, 29, 
Littorinide, 32. 
Lituites, *8. 
Lituunculus, *8. 
Loripes, *72. 
Lucinide, 72. 
Lunatia, 17. 
Lutetia, *77. 
Lyria, *16. 
Macroceramus, *4i, 
Mactride, 79. 
Madrella, *52. 
Magilus, 15. 
Maravignia, 32. 
Margarita, 35. 
Marisa, 29. 
Martesia, 81. 
Matheria, *75. 
Mathilda, *20. 
Megalomus, 70. 
Megambonia, *70. 
Meghimatium, 43. 
Meioceras, *26. 
Meladomus, 29. 
Melafusus, 28. 
Melampus, 45. 
Melanatria, 27. 
Melania, *27. 
Melaniade, 27. 
Melanopsis, 29. 
Meristella, *55. 
Meseschiza, 28. 
Mesostoma, *24, 
Microstelma, *31, 
Microthyca, 36. 
Modiolaria, *68. 
Modulus, 32. 
Moitessieria, *29, 
Monodonta, 37. 
Moropteria, 66, 
Muricede, 13. 
Myacide, 79. 
Myalina, 66. 
Mytilide, 68. 
Naceilla, 39. 
Naiadites, 80. 
Nassaria, *15. 
Natica, 17. 
Naticella, 18. 
Naticidz, 17. 
Naticospis, 17. 
Nausitora, 81. 
Nautilide, 5. 
Nautilus subtuberculatus. 
9 
Nayadina, *67. 
Neritopsida, 19. 
Neverita, 17. 
Nitidella, *15. 
Nucleospira, *56, 
