1920] 



Allen: Plankton of the San Joaquin River 



127 



Table 1.— Organisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913 — (Continued) 



1913 



8/ 2 

 8/ 6 

 8/ 9 

 8/13 

 8/15 

 8/20 

 8/23 

 8/27 

 8/31 

 9/ 2 

 9/ 6 

 9/ 9 

 9/13 

 9/17 

 9/20 

 9/24 

 9/27 

 10/ 1 

 10/ 4 

 10/ 8 

 10/11 

 10/15 

 10/18 

 10/22 

 10/26 

 10/29 

 11/ 1 

 11/ 5 

 11/ 8 

 11/12 

 11/15 

 11/19 

 11/22 

 11/26 

 11/30 

 12/ 3 

 12/ 6 

 12/10 

 12/14 

 12/17 

 12/20 

 12/24 

 12/27 

 12/31 



Spirillum 

 undula 



3,200 



3,200 

 3,200 



105,792 

 3^200 



52,896 



52,896 

 52,896 



52,896 

 105,792 

 158,688 

 105,792 



52,896 

 238,032 

 158,688 



52,896 



1,600 



26,448 

 26,448 

 26,448 

 400 

 400 

 19,836 



Anabaena 

 sp. 



3,200 

 105,792 



158,688 



6,400 



211,584 



"19,200 



3,200 



12,800 



264,480 



264,480 



6,400 



6,400 



211,584 



6,400 



105,792 



6,400 



52,896 



Aphanocapsa 

 sp. 



18,400 

 26,448 

 26,448 



800 



800 



3,200 



12,800 

 3,200 



12,800 

 211,584 

 105,792 



105,792 

 105,792 

 105,792 



"52,896 



.52,896 

 105,792 



52,896 



105,792 



"52,896 

 3,200 



Gloeocapsa 

 conglomerata 



3,200 



105,792 

 105,792 

 105,792 



Gloeocapsa Gomphosphaera 



sp. aponinae 



105,792 



264,480 



528,960 



317,376 



370,272 



423,168 



476,064 



899,232 



370,272 



370,272 158,688 



634,752 



370,272 



370,272 



476,064 



740,544 



423,168 52,896 



687,648 



952,128 



740,544 52,896 



528,960 



423,168 



158,688 



52,896 



52,896 



158,688 



264,480 



634,752 



423,168 



264,480 



634,752 



581,856 



317,376 



476,064 



"165^792 ZZZZ 



52,896 



191^836 """""""" 



66,120 



52,896 



13,224 



39,672 



46,284 



39,672 



1913 



1/ 5 

 1/8 

 1/12 

 1/15 

 1/19 

 1/22 

 1/26 

 1/29 

 2/ 2 

 2/ 5 

 2/ 8 



Inactis tinctoria RIerismopedium Microcystis 

 Agardh glaucuni sp. 



800 



Nostoc 

 sp. 



800 

 800 



Oscillatoria 

 formosa 



800 

 800 



400 



Oscillatoria 

 sp. 



