CONTENTS. Vll 



PAGE 



Fam. IV. Belemnitidte. Belemnites, Belemnitella, Acan- 

 thoteuthis, Belemnites, Belemnoteuthis, Conoteuthis ... 73 



Fam. V. Sepiada. Sepia, Spirulirostra, Beloptera, Be- 

 lemnosis 76 



Fam. VI. %>#d#.---Spirula .., 77 



ORDER II. TETRABRANCHIATA 83 



Fam. I. Nautilidce. Nautilus, Lituites, Trochoceras, Cly- 



menia , 83 



Fam. II. Orthoceratidte. Orthoceras, Gomphoceras, On- 



coceras, Phragmoceras, Cyrtoceras, Gyroceras, Ascoceras 87 

 Fam. III. Ammonitida. Goniatites, Bactrites, Ceratites, 



Ammonites, Crioceras, Turrilites, Hamites, Ptychoceras, 



Baculites 91 



CLASS II. GASTEROPODA , 97 



ORDER I. PROSOBRANCHIATA 103 



SECTION A. SIPHONOSTOMATA lOi 



Fam. I. Strombidce. Strombus, Pteroceras, Rostellaria, 



Seraphs 104 



Fam. II. MuricidcB. Murex, Pisania, Eanella, Triton, Tas- 

 ciolaria, TurbinelJa, Cancellaria, Trichotropis, Pyrda, 



Fusus 106 



Fam. III. Buccinida. Buccinum, Pseudoliva, Anolax, 

 Halia, Terebra, Eburna, Nassa, Phos, Ringicula ?, Pur- 

 pura, Purpurina, Monoceros, Pedicularia, Bicinula, Pla- 

 naxis, Magilus, Cassis, Oniscia, Cithara, Cassidaria, Do- 



lium, Harpa, Columbella, Oliva, Aneillaria 110 



Fam. IV. Conida. Conus, Pleurotoma 117 



Fam. V. Volutida. Voluta, Cymba, Mitra, Yolvaria, Mar- 



gineUa 118 



Fam. VI. Cypraida. Cypra3a, Erato, vulum 120 



