GENERAL INDEX. 



497 



Genera of Cephalopoda, characters of {continued) — 

 Androgynoceras, Hyatt 

 Anisoceras, Pictet 

 Aphragtnites, Barrande 

 Arcestes, Siiess 

 Arietites, Waagen 

 Arnioceras, Agassiz 

 Ascoceras, Sarrande 

 Aspidoceras, Zittel 

 Asteroceras, Hyatt 

 Aturia, Bronn 

 Aulacoceras, Hauer 

 Bactrites, Sandberger 

 Baculina, d^Orbigny 

 Baculites, Lamarck 

 Bathmoceras, Barrande 

 Belemnitella, d'Orbigny 

 Belemnites, Lister 

 Belemnosis, Edwards 

 Belemnoteuthis, Pearce 

 Beloptera, Lamarck 

 Beloteuthis, Milnster 

 Cameroceras, Conrad 

 Ceratites, Haen 

 Choristoceraa, Hauer 

 Clymenia, Milnster 

 Cochloceras, Haeur 

 Coeloceras, Hyatt 

 Coroniceras, Hyatt 

 Cosraoceras, Tf'aagen 

 Crioceras, d' Oi-bigny 

 Cycloceras, Hyatt 

 Cyrtoceras, Goldfiiss 

 Cyrtocerina, Billings 

 Dactylioceras, Hyatt 

 Deroceras, Hyatt . 

 Didymites, Mojsisovics 

 Discoceras, Agassis 

 Endoceras, Hall . 

 Enoploteuthis, d'Orbigny 

 Geoteuthis, Milnster 

 Glossoceras, Barrande 

 Goniatites, Haan . 

 Grammoceras, Hyatt 

 Hamites, Parkinson 

 Hammatoceras, Hyatt 

 Hamulina, d^Orbigny 



222, 230. 



, 248, 



. 234 



. 216 



. 211 



. 239 

 1—306 



. 233 



. 211 



. 260 



. 233 



. 212 



. 210 



. 213 



. 254 



215, 244 



. 212 



. 207 



. 206 



. 206 



. 207 



. 206 



. 205 



. 210 



. 214 



. 242 



. 213 



. 242 



. 235 



. 233 

 225, 229, 253 



215,259 



. 236 



. 208 



. 209 



. 236 



. 234 



. 239 



. 233 



. 210 



. 204 



. 205 



. 211 



. 212 



. 237 



215, 243 



. 235 



. 215 



64 



