TABLE OF CONTENTS. 



Page 



BOARD OF MANAGERS iu 



CONTENTS y 



ILLUSTRATIONS v }. 



LETTER OF TRANSMITTAL ^ 



INTRODUCTION vm 



ACKNOWLEDGMENTS lx 



CHAPTER I. 



GENERAL ACCOUNT OF MISSOURI DEVONIAN 1 



Upper and lower boundaries of the Devonian 4 



Grassy Creek Shale 



Sylamore Sandstone 7 



Cooper Limestone 



Historical 



Organic remains 



Description 1 2 



Relationships and distribution 12 



Paleontology 13 



Mineola Limestone ^ 



Historical "• • • 1«* 



Lithology 1? 



Relationships and distribution 17 



Paleontology 21 



Correlation 23- 



Summary 2* 



Callaway Limestone • 24 



Historical . 24 



Lithology ' 26 



Exposures in Moniteau County 26 



Exposures in Boone County 27 



Exposures in Callaway County 27 



Exposures in Montgomery County '29 



Exposures in Warren County 29 



Relationship to other formations 32 



Paleontology 34 



Correlation 35 



Snyder Creek Shale 36 



Historical 36 



Relationships and distribution 37 



Paleontology 41 



Correlation 44 



Geologic Column South of Fulton 46 



Geologic Column Northwest Ralls County 46 



Description of Species 47 



CHAPTER II. 



FAUNA OF THE MIDDLE DEVONIAN OF SOUTHEASTERN MISSOURI.. . 130 



Description of Species 132 



CHAPTER III. 



FAUNA OF THE BAILEY LIMESTONE 166 



Introduction 166 



Description of Species 173 



CHAPTER IV. 



FAUNA OF THE LITTLE SALINE LIMESTONE 213 



Introduction 213 



Description of Species 221 



BIBLIOGRAPHY • 269 



DEVONIAN OUTLIER IN PHELPS COUNTY 276 



PLATES * 280 



(v) 



