UNIVERSITY OF CALIFORNIA 



Bulletin of the Department of Geology 



Vol. 2, No. 8, pp. 231-267. ANDREW C. LAVVS0N, Editor 



The Geology 



OF THE 



Central Portion of the Isthmus 



OF 



Panama 



BY 



OSCAR H. HERSHEY. 



BERKELEY 

 PUBLISHED BY THE UNIVERSITY 



MARCH, 1901. 



PRICE, 30 CENTS 



