1920] 



Allen: Plankton of the San Joaquin River 



149 



Table 1. — Organisms Per Cubic Meter in Plankton op 

 Stockton Channel in 1913 — (Continued) 



40,861,312 



38,450,896 

 17,098.208 

 13,467,584 

 11,233,152 

 17,409,184 

 10,962,272 

 10,547,104 

 11,546,480 

 10,301,072 

 10,S74,080 

 12,398,464 



9,041,168 



3,751,992 1,600 



3,943,552 



3,598,928 800 



3,976,400 



2,071,744 



4,627,788 



3,671,048 



105,792 



.yj.s'.m; 

 c.iiiii 



1,600 



1,600 

 1,600 

 3.200 



1913 



1/ 5 

 1/ 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 



Straurastrum 



Total 

 Conjugatae 



Total 

 Algae 



800 



3,200 



son 



1,600 

 800 



l.r.nn 



3,200 



1,600 



3,200 



1,197,572 



400 456,016 



400 916,456 



3,277,140 



6,283,188 



21,036 2,923,468 



800 816,476 



1,785,028 



1,484,476 



1,963,576 



1,600 1,721,896 



800 1,697,048 



1,600 3,354,048 



1,600 3,979,576 



800 2,138,664 



5,513,136 



600 7,021,272 



6,930,12S 



2,694,400 



3,275,504 



3.307,504 



3,200 4,551,808 



3,200 4,572,420 



2,764,144 



2,697,600 



1,600 2,537,312 



6,400 3,652,176 



7,633,176 



4,742,848 



11,720,416 



11,912,800 



3,200 19,719,760 



3,200 20,040,240 



19,407,184 



