© 4360+ 
CONTENTS. 
Page. 
Introduction.......-....-..2..20-22---- ne eee ee eee srateeie-e a iniey gecticrnataces 29D 
Historical summary .......-..-.- ssuikeinews Jewels pal eins enratcllagereeheiclnieers eta Aetrsae et i desavere mearsanceoeboectors 199 
TOCAII tes sepcjacuicn sna as aaa aene aces ase uaneumsamiss wuss pelea settee ee euenauwininmaeceteauemitues: 202 
Character of the flora. nieces cncscieeieti eee at seen eee eed lees ee re Baca ex Be Yalan 202 
Age of the flora. ..-..- 2-22.02 .2 2. eee eee eee jisthansdnete Seduce se aurBeerersiiie deo uae eeetabened ne caak Goon eane 204 
Systematic descriptions .....-.........-., Bae AER eta eam EAI Wak aac ens ieee ene 207 
4 
ILLUSTRATIONS. 
; Page. 
Prate XLVI. Osage Rock, about 1 mile north of Belvidere, Kans. ......---------2---002eeee cece eee ee eee ees 202 
Prates XLVII-LXI. Fossil plants from the Cheyenne sandstone... ..-.---. 22. e eee eee eee cence ence eeeees 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. 
Ir 
