J6 7 ^,A 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOLUME 3 NUMBER 5 



PLANKTON DIATOMS OF THE GULF OF 



CALIFORNIA OBTAINED BY ALLAN 

 HANCOCK PACIFIC EXPEDITION OF 1937 



(With 12 Plates) 



BY 



E. E. CUPP and W. E. ALLEN 



SCRIPPS INSTITUTION OF OCEANOGRAPHY, UNIVERSITY OF CALIFORNIA 

 LA JOLLA, CALIFORNIA 



U SEP 29 1338 ^ 



THE UNIVERSITY OF SOUTHERN CALIFORNIA PRESS 



LOS ANGELES, CALIFORNIA 



1938 



