SMITHSONIAN MISCELLANEOUS COLLECTIONS 



PART OF VOLUME LI II 



CAMBRIAN 

 GEOLOGY AND PALEONTOLOGY 



No. 5.— CAMBRIAN SECTIONS OF THE 

 CORDILLERAN AREA 



With Ten Plates 



BY 



CHARLES D. WALCOTT 



No. 1812 



CITY OF WASHINGTON 



published by the SMITHSONIAN INSTITUTION 



December 10, 1908 



