BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 

 Vol. 19, pp. 367-402 November 30, 1908 



STEATA CONTAINING THE JUHASSIC FLORA OF OEEGON' 



BY J. S. DILLER 



(Bead before the Society December 31, 1907) 



CONTENTS 



Page 

 lutroduction 3G8 



The problem and conclusion 308 



Historical development 360 



Plant beds of Buck peak and Thompson creek, Oregon 371 



Composition and attitude 371 



Lithiflcatiou and veining 371 



Fossils of the plant beds 373 



Relation to the "Myi'tle formation" of Buck peak 373 



Relation to the Dothan formation 374 



Plant beds near Nichols station, Oregon 375 



Composition and attitude 375 



Relation to adjacent rocks 375 



Plant beds of Elk river, Oregon 37G 



Occurrence 37(5 



Fossil plants 377 



Fossil shells 378 



Relation to the "Myrtle formation" 378 



Relation to the Dothan formation 379 



Plant beds of Big Bar, California 379 



Occurrence 379 



Structure 380 



Fossil plants 380 



Fossil shells 381 



Relation to adjacent rocks 382 



Plant beds of Rattlesnake creek, California 382 



Occurrence 382 



Fossils 382 



Relation to other formations 383 



Plant beds of Redding creek, California 383 



Plant beds of v^^estern side of Sacramento valley, California 384 



Flora 384 



Fauna 387 



1 1'ublished by permission of the Director of the United States Oooloslcal Survey. 

 Manuscript received by the Secretary of the Society September 30. 1908. 



XXXVI— Bull. Geol. Soc. Am., Vol. 10, 1907 . (3()7) 



