4-18 



INDEX. 



Ischiodus, 117. 

 Isis (Isisina), 21. 

 Isoarca, 59. 

 Isodus, 138. 



Kelt.ia, 65. 



labyrintiiot)ontia,183. 

 Lacertilia, 278. 

 Laccophilus, 47. 

 Lagena, 11. 

 Lagomys, 386. 

 Lagostomus, 386. 

 Lamellibranchiata, 57. 

 Lamna, 112. 

 Leda, 61. 

 Leiacanthus, 104. 

 Leiodon, 279. 

 Lepadidce, 41. 

 Leperditia, 42. 

 Lepidaster, 33. 

 Lepidoganoidei, 129. 

 Lepidosteus, 119. 

 Lepidotus, 144. 

 I.epracantbus, 104. 

 Leptaena, 54. 

 Leptacantbus, 104. 

 Leptocheles, 43. 

 Leptolepis, 144. 

 Leptopleuron, 255. 

 Lenita, 36. 

 Libellula, 47. 

 Limanomia, 58. 

 Limnsea, 79. 

 Limnius, 47. 

 Limopsis, 67. 

 Limulus, 43. 

 Lingula, 56. 

 Litharaea, 26. 

 Lithocardium, 65, 67. 

 Lithodendron, 23. 

 Lithornis, 291. 

 Lithostrotion, 23. 

 Litorinidse, 77. 

 Lituites (Brevnius), 84. 

 Lituola, 6, 12. 

 Loligosepia, 91. 

 Lophiodon, 329. 

 Loricula, 46. 

 Loxonema, 71. 

 Lucinidse, 65. 

 Lucinopsis, 67. 

 Luidia, 33. 

 Lunulites, 28. 

 Lutraria, 68. 

 Lyrodesma, 57, 62. 



Mai i.i.i.onus, 279. 

 Machairodua (Pander) 



fish, 98. 

 Machairodus (Kaup) 



mammal, 382. 

 Maclurea, 71. 

 Macrauebenia, 393. 



Macrochilus, 71. 

 Macrodon, 61. 

 Macropetalicbtbys, 100. 

 Macropoma, 144. 

 Macropus, 394. 

 Macrupthalma, 46. 

 Macrospondylus, 271. 

 Macrotherium, 346. 

 Mactra, 67. 

 Malacostraca, 45. 

 Mallotus, 150. 

 Mammalia, 295. 

 Geological distribu- 

 tion of, 407. 

 Mammillopora, 6. 

 Manon, 6. 

 Marginula, 15. 

 Marsupites, 30. 

 Martesia, 69. 

 Massospondylus, 271. 

 Mastigopbora, 91. 

 Mastodon, 353. 

 Mastodonsaurus, 195. 

 Megaceros, 372. 

 Megacbirus, 46. 

 Megalodon, 63. 

 Megalos:iuru<, 258. 

 Megaspira, 79. 

 Megatberium, 390. 

 Melania, 77. 

 Melanopsis, 77. 

 Melocrinus, 31. 

 Melolontlia, 47. 

 Menopoma, 185. 

 Merycotherium, 387. 

 Mesopithecus, 351. 

 Mesostylus, 47. 

 Metopias, 196. 

 Meyeria, 45. 

 Micbelinia, 24. 

 Micrabacia, 25. 

 Micraster, 36. 

 Microconcbus, 40. 

 Microlestes, 301. 

 Microtherium, 338. 

 Millericrinns, 31. 

 Milleporidas, 23. 

 Mitra, 75. 

 Modiola, 62. 

 Modiolopsis, 61. 

 Mollusca, 48. 

 Monodacna, 65. 

 Monopleura, 64. 

 Monostega, 11. 

 Monotis, 6o. 

 Muntlivaltia, 25. 

 Afosasauros, 279. 

 Murchisoaia, 71. 

 Muricidse, 73. 

 Mya, 68. 

 Myaeidoe, 58. 

 Myacites, 68. 

 Myalina, .">7. 

 Myliobates, 105. 



Mylodon, 389. 

 Myopara, 62. 

 Myopboria, 62. 

 Myoxus, 385. 

 Myriapoda, 48. 

 Mystriosanrns, 271. 

 MytUidse, 61, 



Narcodes, 103. 

 Natica, 75. 

 Naulas, 103. 

 Nautilus, 75. 

 Nautiloeeras, 84. 

 Navieula, 14. 

 Neaera, 68. 

 Nebalia, 43. 

 Neithea, 59. 

 Nemacantbus, 104. 

 Nepadaj, 47. 

 Neptunia, 76. 

 " Nereites," 39. 

 Nerinoea, 74. 

 Nerita, 78. 

 Neritoma, 74. 

 Nestor, 399. 

 Nodosaria, 12. 

 Notagogus, 144. 

 Notbosaurus, 210, 231. 

 Notbosomus, 144. 

 Notidanus, 110. 

 Notopocorvstes, 46. 

 Notornis, 294. 

 Nototberium, 395. 

 Nucleobranebiata, 72. 

 Nucleolites, 36. 

 Nucula, 61. 

 Nucunella, 62. 

 Nummulites, 6-13. 



Obolus (Ungula), 53. 

 Oculina, 26. 

 Odontaeantbus, 103. 

 Odontaspis, 111. 

 Odontosaurus, 196. 

 Oldhamia, 20, 28. 

 Oliva, 75. 

 Oncbus, 100, 103. 

 Onycboteutbis, 91. 

 Opereulina, 12. 

 Ophidia, 279. 

 Opbioderma, 33. 

 Ophiopsis, 1 1 1. 

 Ophiura, •"> 1. 

 Opbiurella, 33. 

 Ophiuridffi, 33. 

 I >|i ; s, 67. 



Opisthocoelia, 272. 

 ( Iracanthus, 104. 

 Orbitoides, <:, 12. 

 Orbitolites, 12. 

 Oreaster, 34. 

 Ornithichnites, 288. 

 Orodus, 108. 

 Orognathus, 138. 



