498 



GENERAL INDEX. 



Genera of Cephalopoda, characters of ( 



continued ] 



— 











Haploceras, Zittel . . . . .250 



Harpoceras, Waagen 





224, 228, 229, 249, 430—470 



Helicerus, Dana . 









. 206 



Hehcoceras, d'Orbigny 













. 216 



Hercoceras, Barrande 













. 211 



Heteroceras, d' Orbigny 













. 259 



Hildoceras, Hyatt 













. 237 



Hoplites, Neumayr 













225, 256 



Huronia, Stokes . 













. 210 



Leioceras, Hyatt . 













. 237 



Leptoteuthis, von Meyer 













. 205 



Liparoceras, Hyatt 













. 234 



Lituites, Breynius . 













. 209 



Lituunculus, Barrande 













. 209 



Lobites, Mojsisovics 













. 239 



Lohgo, Lamarck . 













. 205 



Lytoceras, Suess . 









225, 22£ 



, 229, 243 



, 406—418, 481 



Microceras, Hyatt 













. 233 



Nautilus, Belon . 













. 207 



Nothoceras, Barrande 













. 212 



Olcostephanus, Neumayr 













. 255 



Ommastrephes, d'Orbigny 













. 204 



Oncoeeras, Hall . 













. 210 



Ophidioceras, Barrande 













. 208 



Ophioceras, Hyatt 













. 233 



Oppelia, Waagen . 













. 250 



Ormoceras, Stokes 













. 210 



Orthoceras, Breynius 













. 209 



Peltoceras, Waagen 













. 261 



Perisphinctes, Waagen 













. 254 



Peronoceras, Hyatt 













. 234 



Phragmoceras, Broderip 













. 211 



Phylloceras, Suess 









22 



5, 228, 22f 



), 245, 418—429 



Phylloteuthis, Meeh 













. 205 



Phymatoceras, Hyatt 













. 235 



Piloceras, Salter . 













. 209 



Pinacoceras, Mojsisovics 













. 240 



Platypleuroceras, Hyatt 













. 236 



Plesioteuthis, Wagner 













. 204 



Pleuroceras, Hyatt 













. 235 



Psiloceras, Hyatt . 













. 233 



Ptychites, Mojsisovics 













. 240 



Ptychoceras, d'Orbigny 













. 215 



Ehabdoeeras, Suess 













. 242 



Rhacoceras, Agassiz 













. 235 



SageceraSj Mojsisovics 













. 240 



