CONTENTS. 



Page. 



Introduction 199 



Historical summary 199 



Localities 202 



Character of the flora 202 



Age of the flora 204 



Systematic descriptions 207 



ILLUSTRATIONS. 



Page. 



Plate XLVI. Osage Rock, about 1 mile north of Belvidere, Kans 202 



Plates XLVII-LXI. Fossil plants from the Cheyenne sandstone 225 



NOTE. — The papers included in the annual volume "Shorter contributions to general geology" are issued 



separately, with the final pagination, as soon as they are ready. The last paper will include a volume title-page, 



table of contents, and index for the use of those who may wish to bind the separate parts. A small edition of 



the bound volume will also be issued, bnt copies can not be supplied to those who have received all the parts. 



II 



