Index of Genera and Species. 



Acanthodes sulcatus, 15. 



gracilis, 15. 

 Acentrophorus chicopensis, 71. 

 Acrodus, 34. 



Allolepidotus americanus, 27, 66. 

 Amia, 18, 47, 57. 

 Asteracanthus, 34. 



Calamoichthys, 16. 

 Catopterus, 32, 47, 74. 



gracilis, 48. 



macmrus, 55. 



minor, 43, 55. 



ornatus, 48, 55. 



parvulus, 48. 



redfieldi, 48, 51, 54. 

 Cephalaspis murchisoni, 14. 

 Ceratites trinodosus, 24. 

 Cheirolepis, 46. 

 Chondrosteus, 47. 

 Cladoselache fyleri, 16. 

 Climatius scu tiger, 15. 

 Ccelacanthus 43. 



welleri. 44. 

 Cosmacanthus, 34. 



Dapedius, 60. 

 Dictyopyge, 55. 



macrura, 55. 

 Diplunis, 31, 44, 74. 



longicaudatus, 44, 74. 

 Dipterus valenciennesi, 17. 



Ecphora quadricostata, 39. 

 Eurynotus ceratocephalus, 66. 

 temiiceps, 66. 



Heptanema paradoxum, 31, 44. 

 Heterolepidotus, 27. 

 Holoptychius, 34. 

 Hybodus, 30, 34. 



Ischypterus, 24, 57, 61. 

 agassizii, 61. 

 beardmorei, 71. 

 fultus. 64, 65. 

 latus, 66 

 macropterus, 64. 

 marshi. 61. 

 micropterus, 67. 

 minutns, 71. 

 newberryi. 67, 69. 

 parvus, 71. 

 ovatus, 69. 

 tenuiceps, 66. 



Lepidosteus, 18, 47, 57. 

 Lepidotus, 60. 

 Leptolepis, 18. 



Macropoma, 43. 

 Megalonyx jeffersoni, 39. 

 Mesacanthus mitchelli, 15. 



Nematoptychius, 59. 



Palseoniscus, 59. 



agassizii, 61. 



fultus, 64. 



latus, 66. 



macropterus, 64. 



ovatus, 69. 

 Perleidus. 46, 47, 60, 72. 



altolepis, 27, 71. 

 Pholidophorus, 18, 35, 71, 72. 

 Polypterus, 16. 

 Protopterus, 18. 

 Ptycholepis, 31, 73, 74. 



marshi, 73. 



Redfieldius, 47. 

 Rhabdolepis, 59. 

 Rhadinichthys, 59. 



Sagenodus, 18. 

 Semionotus, 24, 40, 57, 74. 



agassizii, 61, 62. 



bergeri, 58. 



brauni 71. 



capensis, 58. 



elegans, 71. 



fultus, 64. 



gigas. 70. 



lineatus, 71. 



marshi, 61. 



micropterus, 67. 



nilssoni, 58, 71. 



ovatus, 69. 



robustus, 70. 



tenuiceps, 66. 



Tetragonolepis, 69, 70. 



Undina, 43- 

 Urolepis, 32. 



Xenestes, 34. 



