INDEX OF GENERA AND SPECIES. 



ACTION, 142. 



Actseon impressus, 142. 

 ACT^EONINA, 113. 



Actseonina Californica, 114. 



pupoides, 113. 

 AMAUROPSIS, 109. 



Amauropsis alveata, 110. 



oviformis, 109. 



AMMONITES, Trias., 24; Cret., 60. 

 Ammonites Ausseanus, 25. 

 Batesii, 67. 

 Billingsianus, 26. 

 Blakei, 24. 

 Brewerii, 62. 

 Chicoensis, 68. 

 complexus ?, 69. 

 ( ? ) Cooperii, 69. 



Haydenii, 62. 

 Hoffmannii, 65. 

 Homfrayi, 26. 

 Newberryanus, 61 

 Peruvianus, 63. 

 ramosus, 65. 

 Kamsaueri, 27. 

 Remondii, 66. 

 subtricarinatus,60 

 Traskii, 63. 

 ANATINA, 150. 



Anatina inequilateralis, 151. 

 ( ? ) lata, 151. 



Tryoniana, 150. 



ANCILLARIA, 100. 



Ancillaria elongata, 100. 

 ANCYLOCERAS, 78. 

 ANGARIA, 121. 



Angaria ornatissima, 121. 

 A.NISOMYON, 142. 



Anisomyon Meekii, 142. 

 ANOMIA, 203. 



Anomia lineata, 203. 

 ANTHONYA, 181. 



Anthonya cultriformis, 182. 

 APORRHAIS, 127. 



Aporrhais angulata, 128. 

 Californica, 128. 

 exilis, 129. 

 falciformis, 127. 

 ARCA, 193. 



Area Breweriana, 193. 

 decurtata, 195. 

 gravida, 194. 

 Hornii, 194. 

 ARCHITECTONICA, 116. 



Architcctonica cognata, 117. 

 Hornii, 117. 

 inornata, 118. 

 Yeatchii, 116. 

 ASAPHIS, 154. 



Asaphis undulata, 154. 

 ASTARTE, Juras., 50; Cret., 178. 

 Astarte Conradiana, 178. 

 Mathewsonii, 179. 

 ( 237 ) 



