264 



University of California Publications in Zoology [Vol. 



-Plankton Organisms Per Cubic Meter in Stockton Channel, 

 Daily Series in 1913 — (Continued) 



1913 



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 



3,200 



12,800 



li.400 

 105,792 



6,400 



19,200 



3,200 

 6,400 



Pediastrum 

 duplex 



211,584 

 211,584 

 476,064 

 634,752 

 528,960 

 317,376 

 793,440 

 793,440 

 634,752 

 740,544 

 740,544 

 528,960 

 423, 16S 

 476,064 

 634,752 

 740,544 



Pediastrum 

 simplex 



6,400 



3,200 



12,800 



158,688 



105,792 



19,200 



19,200 



6,400 



25,600 



12,800 



3,200 



105,792 



6,400 



6,400 



12,800 



Raphidiun 

 polymorphu 



3,200 



3,200 

 3,200 

 3,200 

 6,400 



105,792 



158,688 



3,200 

 158,688 



3,200 

 105,792 

 158,688 

 264,480 

 105,792 



3,200 

 3,200 

 158,688 

 105,792 

 370,272 

 264,480 



Scenedesmus Scenedesmus Schroederia Total 



1913 obliquus quadricauda setigera Chlorophyeeae 



7/ 5 158,6S8 370,272 1,021,024 



7/ 6 3,200 687,648 1,649,376 



7/ 7 476,064 634,752 3,200 1,907,456 



7/ 8 370,272 1,163,712 3,702,720 



7/9 211,584 634,752 2,131,840 



7/10 370,272 1,057,920 2,489,202 



7/11 1,005,024 3,200 2,228,032 



7/12 211,584 476,064 2,138,232 



7/13 211,584 1,005,024 105,792 3,014,072 



7/14 528,960 1,057,920 2,971,776 



7/15 264,480 264,480 158,6S8 1,699,072 



7/16 423,168 1,375,296 3,080,768 



7/17 264,480 899,232 158,688 2,704,096 



7/18 317,376 423,168 264,480 1,668,576 



7/19 528,960 952,128 2,462,624 



7/20 x.200 264,480 597,856 



7/21 158,688 158,688 158,688 819,040 



7/22 476,064 423,168 3,200 1,655,776 



7/23 105,792 581,856 105,792 1,817,664 



7/24 317,376 793,440 3,200 1,963,552 



7/25 211,584 899,232 15S,688 1,880,160 



7/26 687,648 1,005,024 105,792 3,470,240 



7/27 740,544 1,692,672 105,792 3,715,520 



7/28 370,272 1,481,088 3,200 2,550,102 



7/29 476,064 687,648 2,306,528 



7/30 317,376 634,752 3,200 1,919,256 



7/31 3,200 581,856 3,200 1,229,408 



8/ 1 634,752 1,005,024 3,200 2,617,504 



8/ 2 105,792 899,232 3,200 1,710,872 



8/ 3 264,4S0 423,168 2,101,344 



8/ 4 264,480 846,336 2,337,024 



Asterionella 

 gracillima 



105,792 



3,200 



3,200 



3,200 

 3,200 



3,200 

 3,200 

 3,200 



3,200 

 6,400 



3,200 



3,200 



105,792 



6,400 



3,200 



105,792 



3,200 



Bacillaria Cyclotella 



1913 paradoxa kiitzingii 



7/ 5 370,272 



7/ 6 740,544 



7/ 7 211,584 



7/ 8 1,005,024 



7/ 9 264,480 



7/10 581,856 



Cyclotella Cymbella 



operculata affinis 



13,911,648 



8,780,736 



11,901,600 



12,906,624 



12,060,288 



13,858,752 



Cymbella 

 cymbiformis 



