INDEX 



Acaraas, 124. 

 Acambonia, 16. 

 Acanthoteuthis, 124. 

 Acanthothiris, 70. 

 Achelois, 124. 

 Acoeli, 125. 

 Aetinodesma, 28. 

 Acuarii, 125. 

 Adacna, 9T. 

 Adula, 84. 

 Aganides, 64. 

 Agraulis, T. 

 Agraulos, 1. 



ceticephalus, 10. 



Oweni, 9. 

 Alasmodonta, 91. 

 Alectryonia, 72. 

 Alina, 108. 

 AUorisma, 36. 



? altirostrata, 41. 



? Cooperi, 44. 



? Leavenworthensis, 42, 43. 



minnehaha, 43. 



subcuneata, 37. 

 Alveolina, 13. 

 Ambocoelia, 17. 



gemmula, 20. 

 AmbonycHa, 28. 

 Ammonita, 121. 

 Ammonites, 118. 

 Ammonites, 121. 



bisulcatus, 121. 



cordatus, 122, 123. 



cordiformis, 122. 



Henryi, 123. 

 Ammonitidae, 116. 

 Ammonitidse, 117. 

 Amphipeplea, 105. 

 Amussium, 48. 



17 March, 1865. 



Amygdalum, 85. 

 Anadara, 88. 

 Anatifa, 118. 

 Anatimya, 36, 104. 

 Anatinidse, 36. 

 Anatinidse (Jurassic), 99. 

 Anatomus, 45. 

 Anculosa, 115. 

 Ancyloceras, 118. 

 Anisoceras, 118. 

 Anisomelus, 127. 

 Anisus, 106. 

 Anisus, 107. 



ADuulata (Jurassic), 127. 

 Anodonta, 91. 

 Anodontopsis, 34, 59. 

 Anomia striata, 18. 

 Anomites, 17. 

 Anonica, 79. 

 Anthracomya, 36, 42. 

 Anthracoptera, 33. 

 Aplexa, 105. 

 Aploceras, 63, 64. 

 Aptychus, 118. 

 Area, 88. 



costata, 34. 



inornata, 89. 



Noaj, 90. 

 Arcidse, 87. 

 Arcinse, 88. 

 Arcomya, 36. 

 Argina, 88. 

 Argonauta, 121. 

 Arionellus, 7, 8. 



ceticephalus, 7. 



Oweni, 9. 

 Articulata (Jurassic), 127. 

 Astarte, 34. 

 Astarte, 93. 



fragilis, 94. 



inornata, 94. 

 Astartella, 34. 



Astartila, 34. 

 Atrypa, 16, 70. 

 Atrypa unisulcata, 16. 

 Aturia, 64. 

 Aucella, 28, 53. 

 Aulosteges, 22. 

 Auricularia, 74. 

 Auriculites, 74. 

 Avicula cignipes, 54. 



costata, 79. 



curta, 81. 



digitata, 79. ■' 



demissa, 28. 



flabella, 29. 



hirundo, 28. 



(Monotis) tenuicostata, 81. 



Munsteri, 79. 



pleuroptera, 28. 



securiformis, 29. 



subfalcata, 28. 



substriata, 54. 

 Aviculidaj (Carboniferous), 27. 

 Aviculopecten, 29. 

 Aviculopecten, 49. 



amplus, 50. 



docens, 49. 



McGoyi, 50. 

 Aviculopecten (Permian), 49. 

 Aviculopectininse, 49. 

 Axincea, 88. 

 Axininse, 88. 

 Axinus, 58. 



ovatus, 59. 



B. 



Baculitcs, 118. 

 Baculina, 118. 

 Balantium, 5. 

 Bakevellia, 56. 



( 129 ) 



