STATISTICAL STUDIES OF MARINE DIATOMS OF 



THE SAN DIEGO REGION COLLECTED BY 



U.S.S. PIONEER IN MIDWINTER 1923 



WINFRED EMORY ALLEN 



University of California Publications in Zoology 

 Vol. 22, No. 12, pp. 445-448 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY', CALIFORNIA 



1923 



