238 



INDEX OF GENERA AND SPECIES. 



Astarte Tuscana, 179. 

 ventricosa, 50. 



ASTROCCENIA, 208. 



(?) Astrocoenia petrosa, 208. 

 Aturia, 59. 



Aturia Mathcwsonii, 59. 

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

 Avicula Ilomfrayi, 29. 

 mucronata, 30. 

 pellucida, 186. 

 Axin^ea, 197. 



Axinaja 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. 



Buceinum liratum, 96. 

 Bulla, 143. 



Bulla Hornii, 143. 



Callianassa, 57. 



Callianassa Stimpsonii, 57. 

 Cardita, 174, 215. 



Cardita Hornii, 174. 



ventriforrais, 215. 

 Cardium, 171. 



Cardium annulatum, 171. 

 Brewerii, 173. 

 Cooperii, 172. 

 Placerensis, 173. 

 Eemondianum, 172. 

 Ceratites, 22. 



Ceratites Haidingerii, 22. 

 Whitneyi, 23. 

 Cerithiopsis, 116. 



Cerithiopsis alternata, 116. 



Ciiemnitzia, 115. 



Chemnitzia Spillmani, 115. 

 Chione, 213. 



? Chione angulata, 213. 



ClNULIA, 111. 



Cimilia Mathewsonii, 111. 

 obliqua, 111. 

 pinguis, 112. 

 Clisiophyllum, 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 coneentriea, 186. 

 Crioceras, 75. 



Crioceras latus, 76. 



percostatus, 77. 

 Bemondii, 75. 

 Crypta, 136. 



Crypta pileum, 137. 

 Cucull^ea, 195. 



Cucullasa Mathewsonii, 195. 

 truncata, 196. 

 Cylichna, 143. 



Cylichna costata, 143. 

 Cylindrites, 115. 



Cylindrites brevis, 115. 

 Cypr^a, 129. 



Cypra3a Bayerquei, 129. 



