CONTENTS. 



PAGE 



University Geological Survey Publications iii 



Members of the University Geological Survey iv 



Letter of Transmittal v 



Preface vii 



PART I. — Carboniferous Invertebrates. By Joshua W. Beede 1 



Introduction 3 



Classification of Fossils 5 



Protozoa 9 



Coelenterata 11 



Echinodermata 26 



Molluscoidea 51 



Mollusca 107 



Explanation of Plates 175 



Plates i to xxn, inclusive 189 



PART II.— Cretaceous Fishes 235 



Frontispiece, Kansas Cretaceous Sea. Plate xxiij 234 



Selachians and Pycnodonts. By S. W. Williston 237 



Myliobatidae 237 



Scylliidse 244 



Lamnidae 246 



Pycnodontidae 254 



Lepidosteidae 256 



Teleosts of the Upper Cretaceous. By Alban Stewart 257 



Introduction 257 



Teleostei 259 



Ickthyodectidaa 262 



Saurodontidae 310 



Stratodontidae 326 



Osteoglossidae 340 



Salmonidae 348 



Pachycormidae 362 



Clupeidae 371 



Enchodontidae 373 



Dercetidae. By S. W. Williston 380 



Mugillidae 383 



Range of American Cretaceous Teleosts 385 



Appendix 391 



Explanation of Plates 394 



Plates xxiv to lxxiii, inclusive 405 



General Index 509 



(vi) 



