1920] 



Allen: Plankton of the San Joaquin River 



235 



Table 3. 



-Organisms Per Cdbic Meter in Plankton of 

 Smith's Canal in 1913 — (Continued) 



Cocconeis 



1913 pediculus 



9/13 



9/20 



9/27 



10/ 4 



10/11 



10/18 105,792 



10/26 



11/ 1 



11/ 8 



11/15 



11/22 1,600 



11/30 



12/ 6 



12/14 



12/20 



12/27 



Cyclotella 

 spp. 



9,521,292 



15,128,256 



17,773,056 



22,765,328 



22,342,160 



24,667,584 



39,407,520 



13,488,480 



6,559,104 



2,697,696 



2,540,608 



2,196,784 



2.327.424 



1,297,552 



1,533,984 



1,719,120 



Cymatopleura Cymbella 

 solea affinis 



12,800 



6,400 

 6,400 



6,400 



6,400 



12,800 



105,792 



52,896 



6,400 



1,600 



1,600 



52,896 



52,896 



1 -'.SI II I 



6,400 

 12,800 



3,200 

 12,800 



3,200 



6,400 



Cymbella 

 1913 pusilla 



1/H 



1/19 



1/25 



2/ 2 



2/ 8 



2/15 1,600 



2/23 1,600 



3/ 1 



3/8 



3/15 1,600 



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 



8/ 9 



8/15 



8/23 



8/31 



9/ 6 



9/13 



9/20 



9/27 



10/ 4 



10/11 



Cymbella 

 prostrata 



800 



1,600 

 3,200 



3,200 

 3,200 



3,200 

 6,400 



1,600 

 3,200 

 9,600 

 3,200 



3,200 



6,400 

 1,600 

 1,600 



52,896 

 6,400 



12,800 



6,400 

 6,400 



12, SI 10 

 12,800 



3,200 

 79,344 



3,200 

 52,896 



52,896 



1,600 

 1,600 



79,344 



3,200 

 3,200 



3,200 



.YJ.s'll, 



3,200 

 6,400 

 9,600 

 3,200 



3,200 



12,800 



12,800 

 12,800 



12,800 



