CONTENTS, 



Page 



Letter of transmittal from Prof. Geo. H. Cook 9 



Letter of transmittal from Prof. E. P.Whitfield 11 



Preliminary remarks 13 



Gasteropoda 17 



Section I. Gasteropoda of the Lower Marl Beds 19 



II. Gasteropoda of the Middle Marl Bed 172 



III. Gasteropoda of the base of the Upper Marl Bed 182 



IV. Gasteropoda of the Eocene Marls 190 



Cephalopoda 241 



Section V. Cephalopoda of the Cretaceous Marls 243 



VI. Cephalopoda of the Eocene Marls 284 



Classified lists of the MoUasca of the Cretaceous and Eocene formations.., 289 



Plates „ 297 



Index 399 



5 



