1920] 



Allen: Plankton of the San Joaquin River 



231 



Table 3. — Orhanisms Per Cubic Meter in Plankton of 

 Smith's Canal in 1913 — (Continued) 



1913 



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 



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 



Oscillatoria 

 formosa 



3,200 



6,400 

 9,600 

 9600 



1,600 

 3 200 



6,400 



6,400 

 3,200 



9,600 



Actinastrum 

 hantzschii 



3,200 

 1,600 

 1,600 



105,792 

 9,600 



158,688 



3,200 



52,896 



1,600 



105,792 



6,400 



Oscillatoria 

 sp. 



3,200 



1,600 

 317,376 

 370,272 

 317,376 



687,648 



211,584 

 317,376 



105,792 



105,792 



1,600 



52,896 

 1,600 



52,896 



Actinastrum 



hantzschii 



(large) 



26.448 

 9,600 



Oscillatoria 

 tenuis 



3,200 

 1,600 

 1,600 



3,206 



1,600 

 3,200 



3,200 



3,200 



Coelastrum 

 niicroporuni 



Phormidium 

 spp. 



79,344 

 132,240 

 105,792 



3,200 



1,600 



52,896 



79,344 

 1,600 

 1,600 



476,064 

 1,798,464 



317,376 

 528,960 



52,896 



Crucigenia 

 lauterbornii 



Stigonema 

 sp. 



16,000 



1,600 



1,600 



1,600 



52,896 



6,400 



158.688 



211,584 



Pediastruni 

 boryanum 



400 



6,400 



6,400 



19.200 



32 000 



51,200 



38,400 



105,702 



1.58,688 



79,344 



158 688 



132,240 



1.58,688 



12,800 



105,792 



79,344 



132,240 



22.400 



Total 

 Schizophyceae 



2.50,832 



140,240 



110,592 



163,488 



68,696 



9,600 



84.896 



1,600 



3,200 



123,392 



120,944 



132,144 



7.58,800 



2,130,240 



3,735,568 



6,562,304 



6,780,294 



2,651,200 



7,623,424 



323,726 



11,2.52,3.52 



13,.5.54,174 



11,662,720 



5,218,716 



6,.571,904 



13,380,992 



1,824,064 



1,. 599, 680 



355,776 



25,600 



230,784 



283,680 



295,728 



174,688 



158,688 



132,240 



135,410 



9,600 



52,.S96 



Pediastrum 

 duplex 



400 



7,200 



79,.344 



9,600 



79,344 



132,240 



9,600 



6,400 



79,344 



132,240 



132,240 



1.58,6.88 



105,792 



22,400 



105,792 



79,344 



12,800 



