262 



University of California Publications in Zoology [Vol. 22 



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

 Daily Series in 1913- 



Spirillum 



1913 undula 



7/ 5 105,792 



7/ 6 



7/ 7 



7/ 8 



7/ 9 



7/10 



7/11 



7/12 



7/13 



7/14 



7/15 



7/16 



7/17 



7/18 3,200 



7/19 



7/20 



7/21 



7/22 



7/23 



7/24 



7/25 3,200 



7/26 



7/27 



7/28 



7/29 



7/30 



7/31 



8/ 1 



8/ 2 3,200 



8/ 3 



8/ 4 



105,792 



3,200 



3,200 



3,200 



Anabaena Aphanacapsa 



476,064 



952,128 



528,960 



793,440 



687,648 



634,752 



634,752 



1,005,024 



1,745,568 



1,428,192 



1,163,712 



1,216,608 



793,440 



211.5S4 



158,688 



3,200 



105,792 



3,200 



6,400 



3,200 



105,792 

 158,688 

 528,960 

 '528,960 

 1,163,712 

 370,272 

 634,752 

 264,480 

 846,336 

 581,856 



3,200 



581,856 



12,800 



3,200 

 211,584 

 105,792 



6,400 

 211,584 

 211,584 

 158,688 

 211,584 

 211,584 

 158,688 



6,400 

 105,792 



211,584 



3,200 



264, ISO 

 264,480 

 105,792 

 105,792 

 211,584 



6,400 



3,200 



12.S00 



158,688 



528,960 

 38,400 

 846,336 

 740,544 

 899,232 

 1,005,024 

 581,856 

 899,232 

 158,688 



3,200 



3,200 

 6,400 



3,200 



Gloeocapsa 

 sp. 



264,480 

 3,200 

 370,272 

 211,584 

 370,272 

 158,688 

 476,064 

 581,856 

 476,064 

 1,639,776 

 1,586,880 

 1,375,296 

 740,544 

 211,584 

 528,960 

 476,064 

 264,480 

 264,480 

 264,480 

 158,688 

 317,376 

 1,005,024 

 1,057,920 

 634,752 

 793,440 

 317,376 

 423,168 

 317,376 

 105,792 

 634,752 

 105,792 



Gomphosphaera Merismopedii 

 aponina 



7/ 5 

 7/ 6 

 7/ 7 

 7/ 8 

 7/ 9 

 7/10 

 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 



3,200 



3,200 

 6,400 



3,200 



Microcystis 

 sp. 



12,800 



158,688 



3,200 



317,376 



105,792 



211.5S4 

 264,480 

 264,480 

 264,480 

 370,272 

 317,376 



264,480 

 264,480 



3,200 

 211,584 



3,200 

 264,480 

 158,688 



3,200 

 264,480 

 105,792 

 317,376 

 105,792 



Nostoc 



sp. sp. 



793,440 



320,576 



743,744 



1,428,192 105,792 



687,648 105,792 



740,544 



476,064 

 373,472 

 793,440 



1,057,920 

 793,440 



1,375,296 

 423,168 

 740,544 

 21 1,7s I 

 317,376 

 264,480 

 171,488 

 740,544 

 528,960 

 528,960 

 330,176 

 746,336 

 581.S56 



Oscillatoria Oscillatoria 



sp. tenuis 



12,800 



"158,688 



211,584 



3,200 370,272 



476,064 3,200 



105,792 370,272 



370,272 3,200 

 211,584 



317,376 1,110,816 

 370,272 



370,272 



211,584 



1,269,504 



370,272 105,792 



317,376 105,792 



158,688 476,064 



370,272 370,272 

 476,064 



317,376 3,200 



528,960 105,792 



158,688 476,064 



