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THE HANCOCK PACIFIC EXPEDITIONS 



VOLUME 3 



NUMBER 4 



PLANKTON DIATOMS 

 OF THE GULF OF CALIFORNIA OBTAINED BY 

 THE G. ALLAN HANCOCK EXPEDITION OF 1936 



(With One Figure) 



by 

 W. E. ALLEN 



SCRIPPS INSTITUTION OF OCEANOGRAPHY 



UNIVERSITY OF CALIFORNIA 



LA JOLLA, CALIFORNIA 



THE UNIVERSITY OF SOUTHERN CALIFORNIA PRESS 



LOS ANGELES, CALIFORNIA 



1937 



