SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 Bulletin 103 



CONTRIBUTIONS TO THE GEOLOGY AND PALEON- 

 TOLOGY OF THE CANAL ZONE, PANAMA, AND 

 GEOLOGICALLY RELATED AREAS IN CEN- 

 TRAL AMERICA AND THE WEST INDIES 



THE BIOLOGIC CHARACTER AND GEO- 

 LOGIC CORRELATION OF THE SEDI- 

 MENTARY FORMATIONS OF PANAMA IN 

 THEIR RELATION TO THE GEOLOGIC 

 HISTORY OF CENTRAL AMERICA 

 AND THE WEST INDIES 



By THOMAS WAYLAND VAUGHAN 



Custodian of Madreporaria, United States National Museum, and Geologist in charge 

 of Coastal Plain Investigations, United States Geological Survey 



Extract from Bulletin 103, pages 547-612 



issued MAY 19 1919 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



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