1920] 



Allen: Plankton of the San Joaquin River 



235 



Table 3. — Organisms Pee Cubic Meter in Plankton of 



Smith's Canal in 1913 — (Continued) 



Cocconeis 



1913 pediculus 



9/13 



9/20 



9/27 



10/ 4 



10/11 



10/18 105,792 



10/26 



11/ 1 



11/ 8 



11/15 



11/22 1,600 



11/30 



12/ 6 



12/14 



12/20 



12/27 



Cocconeis 

 sp. 



Cyclotella 

 spp. 



9,521,292 



15,128,256 



17,773,056 



22,765,328 



22,342,160 



24,667,584 



39,407,520 



13,488,480 



6,559,104 



2,697,696 



2,540,608 



2,196,784 



2,327,424 



1,297,552 



1,533,984 



1,719,120 



Cymatopleura 

 solea 



12,800 



6,400 

 6,400 



6,400 



6,400 



12,800 



Cymbella 

 affinis 



105,792 



52,896 



6,400 



1,600 



1,600 

 52,896 



""52,896 



Cymbella 

 cymbiformia 



12,800 



6,400 

 12,800 



3,200 

 12,800 



3,200 



6,400 



Cymbella 



1913 pusilla 



1/11 



1/19 



1/25 



2/ 2 



2/ 8 



2/16 i,606 



2/23 1,600 



3/ 1 



3/ 8 



3/15 1,600 



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 



Cymbella 

 prostrata 



3,200 

 3,200 



Cymbella 

 sp. 



800 



1,600 



1,600 

 3,200 



Cymbella 

 tumida 



1,600 



3,200 

 6,400 



3,200 



1,600 

 3,200 

 9,600 

 3,200 



3,200 



6,400 

 1,600 

 1,600 



52,896 

 6,400 



12,800 



6,400 



12,800 

 12,800 



Diatom 

 unidentified 



3,200 



■■79i344 



"'3,200 

 52,896 



Epithemia 

 ocellata 



52,896 

 1,600 

 1,600 



79,344 



3,200 

 3,200 



3,200 



52,896 



3,200 

 6,400 

 9,600 

 3,200 



3,206 



12,800 



12,800 

 12,806 



"i2i8dd 



