1920] 



Allen: Plankton of the Swn Joaquin River 



■JO- 



Table 2. — Organisms Per Cubic Meter in Plankton op 

 San Joaquin River in 1913 — (Continued) 



1,600 



Mastogloia Melosira 



braunii granulata 



26,448 



19,836 



30,060 

 ........ 85,956 



608,304 



502,512 



634,752 



1,428,192 



343,824 



925,680 



3,438,240 



6,400 1,877,808 



3,200 1,533,984 



396,720 



3,808,512 



7,696,368 



............. 6,056,592 



1,243,056 

 1,586,880 

 3,491,136 



2,274,528 



4,866,432 



4,654,848 



3,279,552 



............. 8,198,880 



19,016,112 



11,372,640 



19,994, CSS 



27,294,336 



26,871,168 



65,273,664 



61,465,152 



74,636,256 



169,478,784 



141,443,904 



180,057,984 



101,242,944 



98,809,728 



55,646,592 



