146 University of California Puhlications in Zoologi/ [Vol.22 



Table 1. — Organisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913 — (Continued) 



Nitzsclkia Xitzschia Nitzschia Pleurostauron Stauronets Stephonodiscus 



1913 sigma sigtnoidea vcrmicularis parvulum phoeaiceQteroQ sp. 



2/12 



2/15 ; 1,600 26,448 



2/19 3,200 39,672 



2/23 800 800 



2/26 1,600 



3/ 1 1,600 52„S96 



3/ 5 o2,S96 



3/ 8 1,600 79,344 



3/12 79..344 



3/15 105.792 



3/19 105,792 



3/23 132,240 



3/26 



3/29 1,600 



4/ 2 1.600 



4/ 5 79,344 



4/ 9 



4/13 1,600 



4/16 158,688 



4/19 . 158,688 



4/23 1,600 52,896 



4/26 79,344 



4/30 52,896 



5/3 .52,896 3.200 



5/ 7 79.344 



5/11 1.600 1,600 



5/14 15S.liSS 



5/17 6,400 211, .5S4 6,400 



8/23 3,200 



8/27 ; 



8/31 400 



9/ 2 



9/ 6 3,200 105,792 



5/21 105.792 



5/24 211,584 



5/27 6,400 3,200 10.5,792 



5/31 



6/ 3 3,200 



6/ 7 3,200 



6/11 3,200 



6/16 6,400 211, .584 



6/18 3,200 



6/21 



6/25 105,792 



6/28 



7/ 3 3,200 



7/ 5 



7/ 9 



7/12 



7/16 



7/19 



7/23 :. 



7/26 



7/30 



8/ 2 6,400 



8/ 6 



8/9 3,200 : 



8/13 



8/15 



8/20 3,200 



