THE JOHNS HOPKINS UNIVERSITY 

 STUDIES IN GEOLOGY 



No. 3 



EDITED BY 

 EDWARD BENNETT MATHEWS 



THE PALEONTOLOGY 



OF THE ZORRITOS FORMATION 



OF THE NORTH PERUVL\N 



OIL FIELDS 



BY ^2, 

 EDMUND Mr'SPIEKER 



>o^l5^ 



BALTIMORE 



THE JOHNS HOPKINS PRESS 



1922 



