INDEX. 



ACALEPH.E, 17. 



Acanthias, 100. 

 Aeanthocladia, 28. 

 Acanthodes, 131. 

 Acanthodii, 130. 

 Acanthopteri, 146. 

 Acanthospongia, 6. 

 Acanthoteuthis, 91. 

 Acervrilaria, 23. 

 Acervulina, 11. 

 Acheta, 47. 

 Acrodas, 109. 

 Acrolepis, 138. 

 Acteonella, 80. 

 Acteonina, 74, 80. 

 Acrocidaris, 36. 

 Acrosalenia, 36. 

 Actinoceras, 85. 

 Actinocrinus, 31. 

 Actinocyclus, 13, 14. 

 Actinoida, 21. 

 Actinophrys, 9. 

 ^Eolodon, 271. 

 iEtobates, 115. 

 Agathistega, 11. 

 Agnostus, 42. 

 Alalia, 73. 

 Alca, 400. 

 Alecto, 28. 

 Alligator, 273. 

 Alveolina, 12. 

 Amblypterus, 137. 

 Amblvurus, 143. 

 Ambonychia, 57. 

 Ammonites, 86. 

 Amoeba, 9. 

 Amphibichnites. 163. 

 Amphiccelia, 271. 

 Amphicyon, 340. 

 Amphidotus, 36. 

 Amphilestes, 303. 

 Amphitherium, 303. 

 Amphiura, 33. 

 Amplexus, 23. 

 Anacanthini, 148. 

 Ananehytes, 34. 

 Anastoma, 79. 

 Anatinidae, 57. 



Ancyloceras, 86. 

 Andrias, 284. 

 Annulata, 39. 

 Anomia, 58. 

 Anomodontia, 235. 

 Anoplotherium, 332. 

 Anthocrinus, 31. 

 Anthozoa, 21. 

 Anthracotherium, 367. 

 Anthrocosia, 66. 

 Antipathes, 21. 

 Apateon, 168. 

 Aphis, 47. 

 Apioceras, 83. 

 Apiocrinus, 30. 

 Aporrbais, 73. 

 Apteryx, 294. 

 Apus, 45. 

 Aptychus, 86. 

 Arachnida, 48. 

 Arbacia, 36. 

 Area, 61. 

 Arcella, 9. 

 ArchaBocidaris, 35. 

 Archaeoniscus, 45. 

 Archegosaurus, 168, 1' 

 Archiacia, 36. 

 Archimedipora, 20. 

 Arthraster, 34. 

 Asaphus, 44. 

 Ascidia, 27. 

 Ascoceras, 83. 

 Asilus, 47. 

 Aspidiscus, 25. 

 Aspidura, 33. 

 Astartidae, 57. 

 Asteriadas, 33. 

 Asteropterichius, 104. 

 Astraea, 36. 

 Astrogonium, 34. 

 Athvris, 50. 

 Atlanta, 72. 

 Atrypa, 50. 

 Aturia, 82. 

 Aulacanthus, 105. 

 Aves, 286. 

 Aviculida?, 60. 

 Aviculopeeteii, 57. 



Axinus, 57. 



Bacillaria, 14, 16. 

 Bactrites, 85. 

 Baculites, 86. 

 Bakewellia, 60. 

 Babenodon, 342. 

 Balanopbyllia, 26. 

 Balanus, 40. 

 Balistes, 100. 

 Baphetes, 184. 

 Bathygnathus, 252. 

 Batrachia, 283. 

 Batrachopus, 166. 

 Belemnites, 92. 

 Belemnitella, 93. 

 Belemnoris, 90. 

 Belemnosepia, 91. 

 Bellerophon, 72. 

 Bellinurus, 42. 

 Belodon, 251. 

 Beloptera, 90. 

 Beloteutbis, 90. 

 " Berg-mehl," 15. 

 Berosus, 47. 

 Beyricbia, 42. 

 Bifrontia, 77. 

 Bison, 370. 

 Blastoidea, 30. 

 Blattidas, 47. 

 Borsonia, 75. 

 Bos, 370. 

 Bothrioeonis, 6. 

 Both Hole pis, 132. 

 Bourgetocrinus, 29, 34. 

 Brachiolites, 8. 

 Brachiopoda, 49. 

 Brissus, 36. 

 Brontozoum, 290. 

 Brvozoa, 27. 

 Bubal us, 370. 

 Buceinum, 71, 97. 

 Bupiestis, 47. 

 Byssacanthus, 103. 



Calceola, 53. 



Callorbyncbus, 11»!. 

 Calymene, 42. 



