196 



University of California Publications in Zoology [Vol.22 



Spirillum 

 1913 undula 



1/ 5 



1/12 



1/19 



1/25 



2/ 2 



2/ 8 



2/15 



2/23 



3/ 1 



3/ 8 



3/15 



2/23 



3/29 



4/ 5 



4/13 



4/19 



4/26 



5/ 3 



5/10 



5/17 3,200 



5/24 



5/31 



6/ 7 105,792 



6/16 



6/21 



6/28 



7/ 5 



7/12 



7/19 



7/26 



8/ 2 



8/ 9 



8/15 



8/23 105,792 



8/31 



9/ 6 



9/13 



9/20 



9/27 



10/ 4 



10/11 105,792 



10/18 105,792 



10/26 105,792 



11/1 



11/ 8 



11/15 52,896 



11/22 



11/30 



12/ 6 



12/14 



12/20 



12/27 



Gomphosphacr 

 1913 aponina 



1/ 5 



1/12 



1/19 



1/25 



2/ 2 



-Organisms Per Cubic Meter in Plankton of 

 San Joaquin River in 1913 



Total Anabaena Aphanocapsa Gloeocapsa 



Bacteriaceae sp. sp. conglomerate 



79,344 



52,896 

 317,376 



3,200 

 105,792 



105,792 



105,792 

 105,792 

 105,792 



Inactis 

 tinetoria 

 Agardh 



400 

 1,600 



264,480 



423,168 



12,800 



6,400 



502,512 



3,200 



1,904,256 



1,692,672 



1,745,568 



1,533,984 



2,221,632 



2,115,840 



l,-,Sli.SS(l 



1,163,712 

 740,544 

 423,168 



105,792 

 12,800 



3,200 



52,896 



185,136 



528,960 

 634,752 

 1,269,504 

 317,376 

 634,752 

 317,376 

 12,800 

 211,584 



25,600 

 211,584 



52,S96 



Microcystis 

 sp. 



400 



211,584 

 3,200 

 3,200 



105,792 

 1,600 

 3,200 

 3,200 



6.400 



3,200 



105,792 

 370,272 

 581,856 

 740,544 

 476,064 

 581,856 

 793,440 

 423,168 

 317,376 

 317,376 

 423,168 

 740,544 

 528,960 

 211,584 

 211,584 



12,800 



105,792 



6,400 



158,688 



79,344 



19,836 



400 



26,448 



1,600 



