TABLE OF CONTENTS, VOL. IV. 



PART I. THE MARINE CRETACEOUS INVERTEBRATES. 



BY T. W. STANTON. 



PAGE 



LETTER OF TRANSMITTAL I 



INTRODUCTION . 3 



PELECYPODA ............ n 



SCAPHOPODA ............ 28 



GASTROPODA ............. 29 



CEPHALOPODA ............ 35 



PART II. TERTIARY INVERTEBRATES. 



BY A. E. ORTMANN. 



LETTER OF TRANSMITTAL 45 



CONTENTS 47 



INTRODUCTION 48 



SYSTEMATIC PART 51 



ECHINODERMATA 51 



ECHINOIDEA ............ 51 



Cidarida Wright .......... 5 l 



Echinidce Wright .......... 52 



Clypeastrida Ag. .......... 55 



Cassidulidce Ag. .......... 60 



Spatangidce Ag. .......... 62 



VERMES 63 



CH^ETOPODA ............ 63 



Tubicolcz (Sedentaria) ........ 63 



BRYOZOA 64 



CHILOSTOMATA ............ 64 



Cellariidce Hcks. ........ 64 



Escharidce Johnst. ....... 67 



CYCLOSTOMATA ........ 68 



Ltchenoporida Sm. ........ 68 



BRACHIOPODA 7 



Rhynchondlidce d'Orb. 7 



Terebratididce King ....... 73 



v 



