1920] 



Allen: Plankton of the San Joaquin River 



179 



Table 1. — Organisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913 — (Continued) 



6/ 7 



6/11 



6/16 



6/18 



6/21 



6/25 



6/28 



7/ 3 



7/ 5 



7/ 9 



7/12 



7/16 



7/19 



7/23 



7/26 



7/30 



8/ 2 



8/ 6 



8/ 9 



8/13 6,400 



8/15 



8/20 



8/23 



8/27 



8/31 



9/ 2 



9/ 6 



9/ 9 



9/13 



9/17 



9/20 



9/24 6,400 



9/27 



10/ 1 52,896 



10/ 4 



10/ 8 6,400 



10/11 



10/15 



10/18 



10/22 6,400 



10/26 



10/29 6,400 



11/1 6,400 



11/ 5 



11/ 8 



11/12 



11/15 



11/19 41,600 

 11/22 52,896 



11/26 



11/30 



12/ 3 



12/ 6 



12/10 



12/14 



12/17 



12/20 



12/24 



12/27 



12/31 



6,400 

 38,400 



6,400 

 12,800 



3,200 



19,200 

 6,400 



3,200 

 6,400 



52,896 

 6,400 

 19,200 



12,800 

 105,792 



12,800 



6,400 



108,800 



15S.6S.S 



12,800 

 54,400 

 158,688 

 132,240 

 6,400 

 3,200 



6,400 



Asplanchna 

 brightwellii 



44,800 



32,000 



19,200 



6,400 



6,400 



51,200 



38,400 



83,200 



158,688 



19,200 



44,800 



12.S00 



6,400 



3,200 



19,200 



25,600 



44,800 



38,400 

 76,800 

 25,600 

 25,600 

 32,000 

 6,400 

 12,800 



6,400 



51,200 



3,200 



6,400 

 19,200 



6,400 



57,600 



12,800 



105,792 



6,400 



Asplanchnopus Brachionus 

 sp. angularis 



158,688 



370,272 



264,480 



19,200 



3,200 



12,800 

 3,200 



15S,0NS 



52,896 

 105,792 

 370,272 

 317,376 



52,896 



3,200 

 19,200 

 22, too 

 79,344 

 16,000 

 3,200 

 3,200 



