1920] 



Allen: Plankton of the San Joaquin River 



143 



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 

 8/15 

 8/20 

 8/23 

 8/27 

 8/31 

 9/ 2 

 9/ 6 

 9/ 9 

 9/13 

 9/17 

 9/20 

 9/24 

 9/27 

 10/ 1 

 10/ 4 

 10/ 8 

 10/11 

 10/15 

 10/18 

 10/22 

 10/26 

 10/29 

 11/ 1 

 11/ 5 

 11/ 8 

 11/12 

 11/15 

 11/19 

 11/22 

 11/26 

 11/30 

 12/ 3 

 12/ 6 

 12/10 

 12/14 

 12/17 

 12/20 

 12/24 

 12/27 

 12/31 



Melosira 

 granulata 



528,960 



370.272 



1,322,400 



1,375,296 



634,752 



2,062,944 



7,617,024 



3,067,968 



1,005,024 



1,481,088 



2,697,696 



1,586.880 



2,168,736 



1,428,192 



2,962,176 



2,539,008 



3,914,304 



3,385,344 



4,972,224 



10,314,720 



10,103,136 



5,342,496 



4,760,640 



6,083,040 



8,357,568 



7,S28,608 



16,556,448 



10,420,512 



5,025,120 



8,251,776 



8,410,464 



15,604,320 



5,183,808 



8,145,984 



5,236,704 



8,040,192 



5,289,600 



7,s2s,r,(is 



4,601,952 



4,654,848 



3,544,032 



2,750,592 



2,010, 04S 



1,798,464 



899,232 



1,137,264 



1,005,024 



740,544 



978,576 



1,137,264 



1,084,368 



1,745,568 



1,057,920 



350,436 



257,868 



337,212 



370,272 



271,092 



5S8,468 



925,683 



Melosira 



granulata A 



(small) 



6,400 

 6,400 



6,400 



3,200 



2,400 

 400 



Mill 



26,448 

 33,060 



3.2(1(1 



6,400 



3,200 

 3,200 

 6,400 



105,792 



6,400 



52,896 



105,792 



6,400 



52,896 



52,896 

 52,896 



52,896 



1,600 

 1^600 



400 

 13,224 



211,584 

 21'. I I si I 

 211,584 



3,200 



158,688 

 3,200 

 3,200 



3,2(111 

 III.'.. 7112 



3,200 



105,792 



3,200 



158,688 



211,584 



105,792 



3,200 



211,584 



15S.6SS 



264,480 



370,272 



105,792 



105,792 



105,792 



264,480 



264,480 



52.896 



52,896 



264,480 

 158,688 



"52,896 

 211,584 



52,896 

 264,480 



1,600 



105,792 



52. 896 



52,896 



"52,896 

 1,600 



33,060 

 400 

 33,060 

 19,836 

 39,672 



"46,284 



