PROCBEDINQS 



OF THE 



CALIFORNIA ACADEMY OF SCIENCES 



Third Series 

 Geology Vol. I, No. lo 



The Comparative Stratigraphy 



of the Marine Trias of 



Western America 



BY 



James Perrin Smith 



With Ten Plates 



Issued July 2g, igo4 



SAN FRANCISCO 



Published by the Academy 



1904 



