238 



INDEX OF GENERA AND SPECIES. 



Astarte Tuscana, 179. 

 ventricosa, 50. 



ASTROCCENIA, 208. 



(?) Astroeoenia petrosa, 208. 

 Aturia, 59. 



Aturia Mathewsonii, 59. 

 Avicula, Trias., 29; Cret., 186. 

 Avicula Homfrayi, 29. 

 mucronata, 30. 

 pellucida, 186. 

 Axin^ea, 197. 



Axinsea cor, 198. 



sagittata, 197. 

 Veatchii, 197. 



Baculites, 80. 



Baculites Chicoensis, 80. 

 Barbatia, 216. 



Barbatia Morsei, 216. 

 Belemnites, Jur., 53; Cret., 58. 



Belemnites impressus, 58. 

 Buccinum, 96. 



Buccinum liratum, 96. 

 Bulla, 143. 



Bulla Hornii, 143. 



Callianassa, 57. 



Callianassa Stimpsonii, 57. 

 Cardita, 174, 215. 



Cardita Hornii, 174. 



ventriformis, 215. 

 Cardium, 171. 



Cardium annulaturn, 171. 

 Brewerii, 173. 

 Cooperii, 172. 

 Placerensis, 173. 

 Bemondianum, 172. 

 Ceratites, 22. 



Ceratites Haidmgerii, 22. 

 Whitneyi, 23. 

 Cerithiopsis, 116. 



Cerithiopsis alternata, 116. 



Chemnitzia, 115. 



Chemnitzia Spillmani, 115. 

 Chione, 213. 



? Chione angulata, 213. 

 Cinulia, 111. 



Cinulia Mathewsonii, 111. 

 obliqua, 111. 

 pinguis, 112. 



CLISIOPHYLLUiM, 8. 



Clisiophyllum Gabbi, 8. 

 Conus, 122. 



Conus Hornii, 122. 



Bemondii, 122. 

 sinuatus, 123. 

 Corbula, Trias., 29; Cret., 148. 

 Corbula Blakei, 29. 



cultriformis, 149. 

 Hornii, 149. 

 parilis, 150. 

 (?) primorsa, 148 



Traskii, 149. 

 Cordiera, 93. 



Cordiera microptygma, 93. 

 Crassatella, 181, 214. 



Crassatella grandis, 181. 

 Uvasana, 214. 

 Crenella, 186. 



Crenella concentrica, 186. 

 Crioceras, 75. 



Crioceras latus, 76. 



percostatus, 77. 

 Bemondii, 75. 

 Crypta, 136. 



Crypta pileum, 137. 

 Cucull^ea, 195. 



Cucullaea Mathewsonii, 195. 

 truncata, 196. 

 Cylichna, 143. 



Cylichna costata, 143. 

 Cylindrites, 115. 



Cylindrites brevis, ]15. 

 Cypr^a, 129. 



Cyprjea Bayerquei, 129. 



