1920] 



Allen: Plankton of the San Joaquin River 



233 



Table 3. — Organisms Per Cubic Meter in Plankton of 

 Smith's Canal in 1913— (Continued) 



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 



11/1.5 



11/22 



11/30 



12/ 6 



12/14 



12/20 



12/27 



1/11 

 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 



Pediastrum 

 simplex 



1,600 



52,896 



32,000 



6,400 



105,792 



105,792 



105,792 



158,688 



105,792 



528,960 



12,800 



211,584 



25,600 



12,800 



211,584 



12,800 



6,400 



3,200 

 1,600 



1,600 



Total 

 Chlorophyceae 



1,200 



9,600 



14,000 



100,144 



48,000 



237,936 



257,984 



129,792 



302,128 



280,4S0 



388,864 



795.040 



431,168 



174,688 



316,528 



479,264 



389,472 



125,744 



27,200 



19,200 



118,592 



180,240 



116,992 



211,584 



746,944 



597,856 



1,644,576 



2,593,408 



2,577,408 



2,548,508 



Kaphidiun 

 polymorphu 



1,600 



1,600 

 3,200 

 3,200 

 3,200 

 3,200 



370,272 

 317,376 



22 1.3.x I 

 211,584 

 105,792 



"52,896 



52,896 



211,584 



132,240 



1,600 



79,344 



1,600 



132,240 



Asterionella 

 gracillima 



773,604 



6,083,040 



3,153,924 



5,183,808 



9,997,344 



2,062,944 



2,644,800 



1,666,224 



1,481,088 



1.295,952 



1,137,264 



3,702,720 



211,584 



793,440 



343,824 



581,856 



28,800 



3,623,376 



60S. 304 



185,136 



105,792 



XKI.S.X.X 



2,353,872 



3,067,968 



899,232 



238,032 



105,792 



952.128 



2.5,600 



317,376 



Asterionella 



gracillima 



(large) 



1,600 

 1,600 



26,448 



79,344 



158,688 



132,240 

 52,896 

 105,792 



502 512 



1,031,472 



2,803,488 



3,120,864 



502,512 



Scenedesmus 

 obliquus 



3,200 

 3,200 

 3,200 



105,792 



3,200 



158,688 

 12,800 

 423,168 

 211,584 

 105,792 

 423,168 

 105,792 

 423,168 

 211,584 

 317,376 

 211,584 

 1.5.X, CSS 

 105,792 

 3,200 

 1,600 



3,200 

 1,600 



1,600 



1,600 



132,240 



3,200 



1,600 



238.032 



1,600 



52,896 



3,200 



1,600 



1,600 



105,792 



Scenedesmus 

 quadricauda 



264,480 



105,792 



290,928 



158,688 



317,376 



476,064 



370,272 



899,232 



52S,960 



846,336 



1,163,712 



528,960 



846,336 



1,269,504 



2,115,840 



1,692,672 



846,336 



1,110,816 



1,216,608 



846,336 



687,648 



290,928 



158,688 



6,400 



3,200 



1,600 



52,896 



3,200 



211,584 

 52,896 



2,000 

 4,800 



4,800 

 6,400 



3,200 



3,200 



25,600 



6,400 



132,240 



158,688 



105,792 



132,240 



185,136 



41,600 



9,600 



12,800 



3,200 



16,000 



12800 



6,400 



38,400 



12.800 



1,428,192 



1,904,256 



5,183,808 



4,760,640 



