INDEX OF GENERA. 



125 



*Iguanodon, 98. 

 *lllaeitius, 54. 



Jlyanthus, 22. 



Inachus, 59. 

 * Jnoceramus, 78. 



Jndris, 117. 



Isis, 23. 



Jsocardia, 79. 



Isodictya, 10. 



Jultts, 64. 



Ixodes, 61. 



*Koninckina, 77. 

 Kroyera, 55. 



, 87. 

 *Labyrinthodon, 94. 



Lacerta, 97. 



Lafoea, 17. 



Lagena, 6. 



Lagomys, 114. 



Lagopus, 101. 



Lamna, 90. 



Lani-us, 103. 



Larus, 100. 



Lecanium, 66. 



Zeda, 78. 

 *Leiodon, 97. 



Lemur, 117. 



Lepas, 49. 



Lepidonotus, 46. 



Lepidoslren, 91. 



Lepidosteus, 88. 

 *Lepidotus, 88. 



Lepidurus, 53. 



Lepisma, 66. 



Leprcdia, 74. 

 * Leptolepis, 88. 



Leptoplana, 39. 



Lepus, 114. 



Lerncea, 48. 



Lernceodiscus, 48. 



Leucifer, 57. 



Leiicosia, 59. 



Leucosolenia, 10. 



Libellida, 68. 



Ligia, 57. 



Ligula, 36. 



Lima, 78. 



Limacina, 83. 



Umax, 82. 



Limnadia, 53. 



Limncea, 82. 



Limnochares, 61. 



Limnocythere, 50. 



Limnodrilus, 46. 



Limnophttus, 69. 



Limnoria, 56. 



Limulus, 54. 



Linckia, 29. 



Lineus, 39. 



Lingula, 77. 



Lithobius, 64. 



Lithodes, 59. 



Littorina, 81. 

 *Lituites, 84. 



Lituola, 5. 



Locusta, 67. 

 *Loftusia, 5. 



Lolic/o, 84. 



Lohgopsis, 84. 



Lophius, 87. 



Lophog aster, 57. 



Lophohelia, 23. 



Lophopiis, 74. 



Lorius, 102. 

 *Loxa>nina, 94. 



Loxosoina, 75. 



Lucernaria, 20. 



Lucina, 79. 



Luffaria, 9. 



Luidia, 29. 



Lumbriconereis, 46. 



Lumbrictis, 46. 



Zwi!ra, 113. 



Lutraria, 79. 



Lyccena, 70. 



Lychnocanium, 8. 



Lycosa, 63. 



Lynceus, 53. 



Macacus, 118. 

 MacAndrewia, 10. 

 *Machairodus, 113. 

 Machilis, 66. 



* Macrauchenia, 110. 

 Macrobiotics, 60. 

 Macrocercus, 102. 

 Macropus, 107. 

 Macrosceles, 117. 

 Macrostomum, 39. 

 Mactra, 79. 

 Madrepora, 22. 

 Maia, 59. 

 Malacobdella, 44. 

 Malleus, 78. 



* Malocystites, 35. 

 Manatus, 109. 

 Jl/awis. 108. 

 Mantis, 67. 

 Marginvlina, 6. 



*Marsupites, 32. 



Mastigamoeba, 4. 

 *Maslodon, 112. 

 * Mastodonsaurus, 94. 



Meandrina, 22. 

 *Megalonyx, 108. 

 * Megalosawms, 98. 



Megalotrocha, 42. 



Megapodius, 101. 



* Megatherium, 108. 

 Melania, 81. 

 Meleagris, 101. 

 Jfeies, 113. 

 Melicerta, 42. 

 Meliphaga, 103. 



