INDEX OF GENERA AND SPECIES. 



279 



Area Obispoana, 121. 



Bulcicosta, 31, 124. 



Vancouverensis, 249. 

 Architectonica, 224. 



cognata, 224. 



Hornii, 224. 



inornata, 224. 



Yeatchii, 224. 

 Arcomya, 179, 235. 



undulata, 179, 235. 

 Arcopagia, 92, 118. 



medialis, 92. 



unda, 118. 

 Artemis, 97. 



ponderosa, 97. 

 Asaphis, 181, 236. 



multicostata, 181, 236. 



undulata, 236. 

 Astarte, 244. 



Conradiana, 244. 



Mathevvsonii, 244. 



Tuscana, 244. 

 Asterias, 37, 110. 



Eemondii, 37, 110. 



ASTROC(ENIA, 254. 



petrosa, 254. 

 Astrodapsis, 37, 110. 



Antisellii, 110. 



tumidus, 37, 110. 



Whitneyi, 37, 110. 

 Ataphrus, 171, 229. 



crassus, 171, 229. 

 Atractus, 146. 

 Atresius, 168, 227. 



liratus, 169, 227. 

 Aturia, 69, 210. 



Mathewsonii, 210. 



Aturia Vcmuxemi, 69. 



ziezac, 69. 

 Aucella, 194, 247. 



Piochii, 194, 247. 

 Avellana, 264. 

 Avicula, 246. 



pellucida, 246. 

 Axin;ea, 102, 196, 249. 



Barbarensis, 102. 



eor, 250. 



patula, 102. 



sagittata, 196, 249. 



Veatcbii, 249. 



Baculites, 145, 214. 



Chicoensis, 214. 



inornatus, 214. 



occidentalis, 145, 214. 



ovatus, 145, 214. 

 Balanus, 107. 



Estrellanus, 61, 107. 

 Barbatia, 249. 



Morsei, 249. 

 Bela, 152, 218. 



elathrata, 152, 218. 

 Belemnites, 129, 209. 



impressus, 129, 209. 

 Bittium, 12, 79. 



armillatum, 79. 



asperum, 12, 79. 



rugatum, 79. 

 Brachysphingus, 155, 219. 



liratus, 156, 219. 



sinuatus, 156, 219. 

 Buccinanops, 157. 



moniliferum, 157. 



