1920] 



Allen: Plankton of the San Joaquin Ri 



263 



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

 Daily Series in 1913 — {Continued) 



,„,■> Gomphosphaera Merismopedium Microcystis Nostoc Oscillatoria Oscillatoria 



1913 aponina glaucum sp. sp. sp. tenuis 



7/30 211,584 323,776 317,376 



7/31 3,200 317,376 267,680 740,544 317 376 



S/ 1 264,480 264,480 317,376 158,688 



8/2 3,200 105,792 3,200 476,064 3 "00 



8/ 3 6,400 3,200 581,856 370,272 211 5S4 



8/ 4 3,200 3,200 264,480 476,064 211584 



Phormidium 



1913 spp. 



7/ 5 



7/ 6 211,584 



7/ 7 211,584 

 7/8 



7/ 9 



7/10 370,272 



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 



Rivularia Total 



sp. Schizophyceae 



1,559,584 



3,200 1,649,376 



1,857,760 



3,649,824 



2,164,240 



3,279,552 



2,803,488 



4,763,840 



4,723,744 



5,818,560 



5,719,168 



4,919,328 



4,919,328 



1,484,288 



2,648,002 



921,632 



2,280,928 



1,223,008 



6,400 1,262,208 



1,705,472 



1,811,264 



2,750,602 



2,449,216 



2,756,992 



2,436,416 



1,543,584 



2,075,744 



1,434,592 



703,648 

 2,032,448 



1, 226/20S 



3,200 

 3,200 



6,400 



3,200 



6,400 



3,200 



3, 200 



3,200 

 6,400 



Actinastrum 



hantzschii Coelastrum 



(large) microporum 



6,400 



105,792 



158,688 

 264,480 



158,688 



3,200 



105,792 



12,800 158,688 



423,10S 



3,200 211,584 



6,400 158,688 



105,792 105,792 



211,584 158,688 



19,200 3,200 



19,200 105,792 



6,400 105,792 



105,792 105,792 



105,792 



6,400 211,584 



3,200 



6,400 105,792 



105,792 476,064 



105,792 158,688 



19,200 6,400 



211,584 158,688 



6,400 211, 5S4 



3,200 



12,800 204,480 



6,400 105,792 



19,200 211,584 



3,200 211,584 



Lagerheimia 



1913 wratislaviense 



7/ 5 



7/ 6 



7/ 7 



7/ 8 



7/ 9 



7/10 



7/11 

 7/12 

 7/13 



7/14 3,200 



7/15 



7/16 



7/17 



7/18 



7/19 



Pediastrum Pediastrum 



boryanum duplex 



476,064 



846,336 



52S.960 



1,269,504 



6,400 1,005,024 



105,792 793,440 



1,110,816 



1,269,504 



105,792 899,232 



793,440 



740,544 



793,440 



1,005,024 



634,752 

 12,800 740,544 



Pediastrum 

 simplex 



3,200 



12,800 



Raphidium Raphidium 



polymorphum pyrenogerum 



3,200 



105,792 



264,480 370,272 



105,792 3,200 



158,688 



3,200 



3,200 



264,480 



211,584 15S,688 



105,792 



105,792 158,688 



6,400 



3,200 3,200 



3,200 



