19201 



Allen: Plankton of the Smi Joaquin River 



265 



Table 4. — Plankton Organisms Per Cubic Meter in Stockton Channel, 

 Daily Series in 1913 — (Continued) 



7/11 

 7/12 

 7/13 

 7/14 

 7/15 

 7/16 

 7/17 

 7/18 

 7/19 

 7/20 

 7/21 

 7/22 

 7/23 

 7/24 

 7/25 

 7/26 

 7/27 

 7/28 

 7/29 

 7/30 

 7/31 

 8/ 1 

 8/ 2 

 8/ 3 

 8/ 4 



Bacillaria 

 paradoxa 



12,800 

 158,688 



3,200 

 12,800 



6,400 



57,600 

 6,400 



12,800 

 6,400 



6,400 



211,584 



51,200 



12,800 

 12,800 

 32,000 

 32,000 

 158,688 



Cyclotella 

 kiitzingii 



370,272 

 211,584 

 476,064 

 846,336 

 634,752 

 423,168 

 528,960 

 317,376 

 264,480 

 105,792 

 105,792 

 105,792 

 158,688 

 105,792 

 211,584 

 581,856 

 793,440 

 952,128 

 317,376 

 952,128 

 740,544 

 1,163,712 

 1,692,672 

 1,692,672 

 1,269,504 



Cyclotella 

 operculata 



13,118,208 

 16,556,448 

 26,448,000 

 37,291,680 

 36,022,176 

 45,331,872 

 46,178,208 

 31,949,184 

 24,014,784 

 14,070,336 

 16,133,280 

 18,672,288 

 11,584,224 

 13,647,168 

 13,964,544 

 16,768,032 

 18,143,328 

 16,820,928 

 16,397,760 

 14,916,672 

 17,032,512 

 16,186,176 

 13,224,000 

 12,271,872 

 10,579,200 



Cymbella 

 afiinis 



12,800 



3,200 



Cymbella 

 cymbiformis 



Cymbella 

 tumida 



3,200 

 6,400 



3,200 



6,400 

 3,200 



6,400 



Epithemia 



1913 ocellata 



7/ 5 



7/ 6 



7/ 7 



7/ 8 



7/ 9 



7/10 



7/11 



7/12 



7/13 



7/14 



7/15 



7/16 6,400 



7/17 



7/18 



7/19 



7/20 



7/21 



7/22 



7/23 



7/24 



7/25 



7/26 



7/27 



7/28 



7/29 



7/30 



7/31 



8/ 1 



8/ 2 6,400 



8/ 3 



8/ 4 



Gyrosigma 

 kiitzingii 



3,200 



3,200 



25,600 



Gyrosigma Melosira 



scalproides granulata 



1,005,024 



1,745,568 



1,110,816 



1,481,088 



1,481,088 



1,798,464 



2,433,216 



2,697,696 



3,200 1,269,.504 



1,533,984 



1,216,608 



1,586,880 



3,200 2,486,112 



1,957,152 



2,168,736 



476,064 



1,163,712 



2,221,632 



1,428,192 



3,226,656 



1,163,712 



2,962,176 



2,327,424 



3,279,552 



2,010,048 



2,539,008 



1,904,256 



1,163,712 



3,914,304 



6,400 4,707,744 



12,800 3,544,032 



Melosira 

 varians 



3,200 



6,400 



3,200 

 6,400 



Navicula 

 alpestris 



3,200 



105,792 



6,400 



6,400 



