CONTENTS. 



Page 

 Letter of Transmittal 5 



Table of Contents 7 



List of Illustrations 9 



Preface 11 



Chapter I. Introduction 20 



Chapter 1 1. Slietch of Missouri Stratigraphy 29 



Chapter III. Biological Relations of Fossils 88 



Chapter IY. Protozoans and Sponges 102 



Chaptbr V. Hydrozoids and Corals 104 



Chapter Vi. Echinoderms: Echinoids and Asterids 125 



Chapter VII. Ecliinoderms : Cystids and Blastoids 132 



Chapter VI II . Ecbinoderms : Crinoids 143 



Chapter IX. Worms and Crustaceans 226 



Appet dix 241 



