1920] 



Allen: Plankton of the San Joaquin River 



217 



11/30 

 12/ 6 

 12/14 

 12/20 



12/27 



Table 2. — Organisms Per Cubic Meter in Plankton of 

 San Joaquin River in 1913 — {Continued) 



Euplotes 



52,896 



3,200 



Euplotes 

 patella 



1,600 

 1,600 



1913 



1/ 5 



1/12 



1/19 



1/25 



2/ 2 



2/ 8 



2/15 



2/23 



3/ 1 



3/ 8 



3/15 



3/23 



3/29 



4/ 5 



4/13 



4/19 



4/26 



5/ 3 



5/10 



5/17 



5/24 



5/31 



6/ 7 



6/16 



6/21 



6/28 



7/ 5 



7/12 



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 



11/15 



11/22 



11/30 



12/ 6 



12/14 



12/20 



12/27 



Tintinnidium Vorticella 



fluviatile longifilum 



1,600 



3,200 

 3,200 

 3,200 



3,200 



3,200 



3,200 

 6,400 

 6,400 



3,200 



6,400 

 3,200 

 3,200 



,200 



3,200 



3,200 



105,792 

 52,896 



3,200 



6,400 

 3,200 



105,792 



12,800 



3,200 



xoo 



