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INDEX. 
A. 
Acanthias, 72. 
Acanthoderma, 104. 
Acanthodes, 64. 
Acanthodii, 63. 
Acanthopleurus, 104. 
Acanthopterygii, 100. 
Acentrophorus, 89. 
Acipenser, 89. 
Acrodus, 68. 
Acrogaster, 100. 
Acrolepis, 85. 
Actinodon, 48. 
Actinopterygii, 84. 
iElurosaurus, 29. 
Aethalion, 94. 
Aetheospondyli, 93. 
Aetobatis, 75. 
Age of Mammals and Birds, 2. 
Age of Reptiles, 2. 
Agnatha, 53. 
Aipichthys, 102. 
Aistopoda, 50. 
Albulidse, 96. 
Alligators, 10. 
Amblypterus, 85. 
Amia, 92. 
Amphibia, 45. 
Amphichelydia, 44. 
Anacanthini, 100. 
Anaspida, 54. 
Anguilla, 99. 
Anomodontia, 27. 
Anthracosaurus, 49. 
Antiarchi, 58. 
Anura, 45. 
Apodes, 99. 
Archegosaurus, 48. 
Argillochelys, 44. 
Aristodesmus, 31. 
Arius, 99. 
Arthrodira, 79. 
Aspidorhyncbus, 93. 
Asteracanthus, 69. 
Asterolepis, 59. 
Asterospondyli, 68. 
Atberina, 100. 
Atherstonia, 85. 
Atlantosaurus, 19. 
B. 
Bathythrissa, 96. 
Belodon, 15. 
Belonorhynchus, 86. 
Belonostomus, 94. 
Berycidse, 100. 
Berycopsis, 102. 
Birkenia, 54. 
Blochiidse, 102. 
Botbriceps, 48. 
Bothriolepis, 59. 
Brancbiosauria, 50. 
Branchiosaurus, 50. 
Brontosaurus, 18. 
Bucklandium, 99. 
c. 
Calamoichthys, 81. 
Calamostoma, 100. 
Callorhynchus, 76. 
Capelin, 97. 
Capitosaurus, 47. 
Carangidse, 102. 
Carcharias, 72. 
Carchariidse, 72. 
Carcharodon, 71. 
Carps, 99. 
Cat-fishes, 99. 
Catopteridse, 85. 
Catopterus, 86. 
Caturus, 92. 
Caudata, 45. 
Centrophorus, 72. 
Cepbalaspis, 58. 
Ceraterpetum, 50. 
Ceratodus, 78. 
Ceratosaurus, 25. 
Cestracion, 68, 70. 
Cestraciontidse, 68. 
Cetiosaurus, 17. 
