1920] 



Allen: Plankton of the San Joaquin River 



237 



Table 3. — Organisms Per Cubic Meter in Plankton of 



1913 



11/22 

 11/30 



12/ 6 

 12/14 

 12/20 



12/27 



Eunotia 

 flexuosa 



1,600 

 6,400 



Smith's Canal in 1913 — (Continued) 



Eunotia 

 sp. 



1,600 



Fragillaria 

 capucina 



6,400 

 3,200 



3,200 



Fragillaria 

 crotonensis 



3,200 



Fragillaria 

 sp. 



1,600 



Gomphonema 

 constrictum 



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 



6/ 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 



Gomphonema 

 olivaceum 



Gomphonema 



Gomphonema 

 subclavatum 



Gyrosigma 

 acuminatum 



1,600 



3,200 

 52,896 



1,600 



1,600 



1,600 



3,200 



12,800 

 105,792 

 105,792 



1,600 



211,584 

 105,792 

 211,584 

 105,792 



"317,376 



105,792 



9,600 



3'206 



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 



12,800 



12,800 

 9,600 



12,800 



3,200 



105,792 



32,000 

 470,064 

 158,688 

 211,584 

 105,792 

 370,272 

 317,376 

 423,168 

 211,584 

 105,792 



12,800 

 105,792 



38,400 



12,800 



105,792 



6,400 



52,896 



6,400 



52,896 



52,896 



6,400 



3,200 



Gyrosigma 

 scalproides 



1,600 



132,240 



1,600 



1,600 



1,600 

 3,200 



"52,896 



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 



158,688 



79,344 



132,240 



3,200 



52,896 



52!896 



105,792 



