A QUANTITATIVE AND STATISTICAL STUDY 

 OF THE PLANKTON OF THE SAN JOAQUIN 

 RIVER AND ITS TRIBUTARIES IN AND 

 NEAR STOCKTON, CALIFORNIA, IN 1913 



BY 

 WINFRED EMORY ALLEN 



University of California Publications in Zoology 

 Vol. 22, pp. 1-292 



OH ' 



V 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



