CONTENTS 



:HAPTER PAGE 

 INTRODUCTION BY PROFESSOR HENRY FAIRFIELD 

 OSBORN xi 



I. EARLY DAYS AND WORK IN THE DAKOTA GROUP 



OF THE CRETACEOUS i 



II. FIRST EXPEDITION TO THE KANSAS CHALK (1876) . 32 



III. EXPEDITION WITH PROFESSOR COPE TO THE BAD 



LANDS OF THE UPPER CRETACEOUS (1876) , 61 



IV. FURTHER WORK IN THE KANSAS CHALK (1877) . . 99 



V. DISCOVERY OF THE LOUP FORK BEDS OF KANSAS 



AND SUBSEQUENT WORK THERE (1877, 1882-1884) . 120 



VI. EXPEDITION TO THE OREGON DESERT IN 1877 *44 



VII. EXPEDITION TO THE JOHN DAY RIVER IN 1878 . . 170 



VIII. FIRST EXPEDITION TO THE PERMIAN OF TEXAS IN 



1882 205 



IX. EXPEDITIONS IN THE PERMIAN OF TEXAS FOR PRO- 

 FESSOR COPE (1895-1897) 230 



X. IN THE RED BEDS OF TEXAS FOR THE ROYAL 



MUSEUM OF MUNICH (1901) 244 



XI. CONCLUSION 265 



NDEX . . 283 



