1920] 



Allen: Plankton of the San Joaquin Bwer 



251 



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 



Table 3. — Organisms Per Cubic Meter in Plankton of 

 Smith's Canal in 1913 — (Continued) 



52,896 



3,200 



52,896 



1,600 



1,600 



1,600 



1,600 



1,600 



52,896 



290,928 



6,400 



3,200 



105,792 



211,584 



211,584 

 1,904,256 

 423,168 

 211,584 

 12,800 

 740,544 

 317,376 



105,792 

 158,688 



1,600 



1,600 



79,344 



52,896 



52,896 



3,200 



25,600 



16,000 



19,200 

 3,200 



105,792 



52,896 



3,200 



3,200 



12,800 



6,400 

 3,200 



3,200 

 3,200 



Tintinnidium 



1913 fluviatile 



i/n 



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 



Vorticella 

 longifilum 



3,200 

 1,600 



6,400 



3,200 



1,600 



1,600 



1,600 



1,600 



105,792 



158,688 



158,688 



2,400 



1,600 



11,200 



14,400 



28,200 



8,000 



25,600 



72,096 



48,000 



12,800 



108,992 



120,192 



6,400 



113,792 



4,800 



105,792 



16.S.2NK 



214,784 



