1920] 



Allen: Plankton of the San Joaquin River 



239 



Na 



Table 3. 



ula 



-Organisms Per Cubic Meter in Plankton of 



Smith's Canal in 1913 — (Continued) 



1913 didyma 



2/15 3,200 



2/23 



3/ 1 



3/ 8 1,600 



3/15 



3/23 3,200 



3/29 1,600 



4/ 5 



4/13 



4/19 



4/26 1,600 



5/ 3 



5/10 



5/17 



5/24 . . 



5/31 



6/ 7 



6/16 



6/21 



6/2S 



7/ 5 .. 



7/12 52,896 



7/19 



7/26 



8/ 2 



8/ 9 



8/15 



8/23 



8/31 



9/ 6 



9/13 



9/20 



9/27 



10/ 4 



10/11 



10/18 



10/26 



11/ 1 



11/ 8 52,896 



11/15 



11/22 



11/30 3,200 



12/ 6 



12/14 



12/20 



12/27 3,200 



Nitzschia 



1913 angularis 



i/n 



1/19 



1/25 



2/ 2 9,600 

 2/ 8 



2/15 6,400 



2/23 3,200 



3/1 



3/ 8 3,200 



3/15 



6,400 



105,792 



52,896 

 105,792 



1,600 



Nitzschii 



sigma 



