9 





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 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



