1920] 



Allen: Plankton of the San Joaquin River 



153 



Table 1. — Organisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913— (Continued) 



1/ 5 

 V 8 

 1/12 

 1/15 

 1/19 

 1/22 

 1/26 

 1/29 

 2/ 2 

 2/ 5 

 2/ 8 

 2/12 

 2/15 

 2/19 

 2/23 

 2/26 

 3/ 1 

 3/ 5 

 3/ 8 

 3/12 

 3/15 

 3/19 

 3/23 

 3/26 

 3/29 

 4/ 2 

 4/ 5 

 4/ 9 

 4/13 

 4/16 

 4/19 

 4/23 

 4/26 

 4/30 

 5/ 3 

 5/ 7 

 5/11 

 5/14 

 5/17 

 5/21 

 5/24 

 5/27 

 5/31 

 6/ 3 

 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 



Cryptomonas 



Dinobryon 

 sertularia 



400 

 800 

 400 

 000 

 S00 

 800 

 400 

 400 

 600 

 000 

 600 

 600 

 800 

 400 

 600 

 600 

 600 

 200 

 600 

 000 

 200 

 200 

 600 

 600 

 344 

 600 

 400 

 600 

 600 

 200 

 600 

 200 



3,200 



6,400 



6,400 



6,400 

 19,200 



6,400 

 12,800 

 12,800 

 32,000 



111,200 

 6,400 

 6,400 



Euglc 



6,400 



1,600 



26.44S 



1,600 



1,600 

 1,600 



1,600 



105,792 



3,200 



105,792 



i.-,n,i;sn 



3,200 

 211,584 



793,440 

 15S.6SS 

 6,400 

 105,792 

 370,272 



12::, n;s 



Flagellate 

 unidentified 



L9.S36 



800 

 1,600 



52,896 



3,200 



