1920] 



Allen: Plankton of the San Joaquin River 



237 



11/22 

 11/30 

 12/ 6 

 12/14 

 12/20 

 12/27 



Table 3. — Organisms Per Cubic Meter in Plankton op 

 Smith's Canal in 1913 — (Continued) 



1,600 

 6,400 



Eunotia 



1,600 



1,600 



1,600 



1913 



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 



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 



11/15 



11/22 



11/30 



12/ 6 



12/14 



12/20 



12/27 



Gomphon 



1,600 



1,600 



3,200 



12,800 

 105,792 

 105,792 



3,200 

 52,896 



1,600 



211,584 

 105,792 

 211,584 

 105,792 



317,376 



105,792 



9,600 



3,200 



Gyrosigma 

 kiitzingii 



400 



3,200 



800 



6,400 



6,400 



105,792 



3,200 



105,792 



3,200 



3,200 



132,240 



79,344 

 9,600 



79,344 

 6,400 

 3,200 

 3,200 

 1,600 



12,800 



Gyrosigma 



!M';il|if mil.':-, 



12, 



12. 



9: 

 12; 

 3, 



105, 



32, 



476, 



158, 



211. 



105, 



370, 



317, 



423, 



211, 



105, 



12, 



105, 



38, 



800 

 ,800 

 600 



NIK) 



200 

 792 

 000 

 064 

 6S8 

 584 

 792 

 272 

 376 

 168 

 584 

 792 

 800 

 792 

 400 



12,800 



105,792 



6,400 



52,896 



6,400 



52,896 



52,896 



6,400 



3,200 



1,600 



132,240 



1,600 



1,600 



1,600 

 3,200 



1,600 

 1,600 



6,400 



317,376 



1,481,088 



1,005,024 



2,697,696 



1,586,880 



740,544 



317,376 



317,376 



211,584 



317,376 



211,584 



105,792 



423,168 



6,400 



158,68S 



79,344 



132,240 



3,200 



52,896 



52£96 



105,792 



