134 University of California Puhlications in Zoology [Vol.22 



Table 1. — Organisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913 — {Continued) 



Scenedesmus Scenedesmus Schrocderia Selenastruni Stigeocloniurn Ulothrix 



1913 obliquua quadricauda setiRera bibraianum sp. sp. 



6/ 7 1,957,152 2,697,090 317,370 



6/11 634,7.52 1, .533,984 1.5S,6,S8 



6/16 423,168 1,110,816 3,200 



6/18 634,7.52 1,745,.50S 204,480 



6/21 370,272 2,909,280 264,480 3,200 



6/25 899,232 2,803,488 105,792 



6/28 1,110,810 2,803,488 111,'), 792 



7/ 3 740,,544 1,163,712 1.58,088 



7/ 5 1.58,088 370,272 3,200 



7/ 9 211, .584 634,752 



7/12 211, ,584 476,064 



7/16 423,168 1,375,296 



7/19 528,960 9.52,128 



7/23 105,792 ,581,8.56 105,792 



7/26 6.87,648 1,005,024 105,792 



7/30 317,376 034,7.52 3,200 



8/ 2 105,792 899,232 3,200 



8/ 6 158,688 634,752 



8/ 9 581,856 



8/13 .370,272 1,039,776 264,480 



8/15 264,480 ,899,2.32 



8/20 211, .584 .581,8.56 



8/23 423,168 1,110,816 3,200 



8/27 528,960 1,210,008 



8/31 423,108 840,330 



9/ 2 581,8.50 1,322,400 .*.... 



9/ 6 476,064 1,0,57,920 



9/ 9 528,960 1,163,712 



9/13 476,064 1,.533,.584 



9/17 370,272 1,163,712 



9/20 6.87,648 1,428,192 



9/24 264,480 1,. 580,8,80 52,896 .' 



9/27 .52,8,900 1,039,776 52,896 



10/ 1 1,057,920 2,062,944 



10/ 4 740„544 1,533,984 



10/ 8 581,856 1,428,192 



10/11 1,0.57,920 9.52,128 105,792 



10/15 687,648 1,269,504 52,896 



10/18 6.87,648 1,0,57,920 



10/22 6.87,648 1,375,296 .52,896 



10/26 793,440 1,. 533,984 



10/29 1,428,192 1,9.57,152 204,480 



11/ 1 687,648 2,115,.S40 105,792 



11/ 5 1,005,024 3,4.38,240 0,400 



11/ 8 1.58,688 899,232 105,792 



11/12 899,232 2,644,800 317,376 



11/15 476,064 1,163,712 317,376 



11/19 18.5,130 846,336 



11/22 290,928 925,680 



11/26 185,136 370,272 1,600 



11/30 158,688 661,200 1,600 



12/ 3 317,376 185,1.36 



12/ 6 16,000 390,720 



12/10 19,836 112,404 



12/14 99,180 211,.584 13,224 



12/17 52,896 132,240 400 



12/20 66,120 178,.528 26,448 



12/24 13,224 66.120 13,224 



12/27 20,448 99,180 13,224 



12/31 19,836 132,240 19,836 



