224 



University of California Publications in Zoology L VoL - 22 



Table 2. — Organisms Per Cubic Meter in Plankton of 

 San Joaquin River in 1913 — (Continued) 



8/ 2 

 8/ 9 

 8/15 

 8/23 

 8/31 

 9/ 6 

 9/13 

 9/20 

 9/27 

 10/ 4 

 10/11 

 10/18 

 10/26 

 11/ 1 

 11/ 8 

 11/15 

 11/22 

 11/30 

 12/ 6 

 12/14 

 12/20 

 12/27 



1/ 5 

 1/12 

 1/19 

 1/25 

 2/ 2 

 2/ 8 

 2/15 

 2/23 

 3/ 1 

 3/ 8 

 3/15 

 3/23 

 3/29 

 4/ 5 

 4/13 

 4/19 

 4/26 

 5/ 3 

 5/10 

 5/17 

 5/24 

 5/31 

 6/ 7 

 6/16 

 6/21 

 6/28 

 7/ 5 

 7/12 

 7/19 

 7/26 

 8/ 2 

 8/ 9 

 8/15 

 8/23 

 8/31 



105,792 



3,200 



400 

 1,200 

 1,600 



3,200 

 3,200 



3,200 

 3,200 



16,000 



12,800 



6,400 



6,400 



211,584 

 38,400 

 25,600 



12,800 



1,269,504 



2,115,840 



2,4S6,112 



846,336 



476,064 



449,616 



211,5S4 



12,800 



3,200 



6,400 



Polyarthra 

 trigla 



800 



2,400 



1,200 



2,000 



12,S0O 



57,600 



19,200 



6,400 



12,800 



105,792 



3,200 



12,800 



16,000 



6,400 



6,400 



79,344 



6,400 

 86,400 



"158,688 

 12,800 



25,600 

 105,792 

 3,200 

 79,344 

 19,200 

 32,000 



6,400 



3,200 



105,792 



12,800 



Keratella 

 egg, attached 



12.S00 



105,792 



25,600 



105,792 



317,376 



793,440 



52S,960 



12,800 



185,136 



52,896 



6,400 



6,400 



6,400 



3,200 



Polyarthra 

 trigla egg, 



attached female 



Keratella 

 egg, free 



3,200 



211,584 



211,584 



317,376 



6,400 



.-,'_>>'. ii » 

 1,600 

 3,200 

 1,600 



52,896 



Polyarthra 



trigla egg, 



attached male 



3,200 



Keratella 

 quad rata 



12,800 

 12,800 

 38,400 

 12,800 

 64,000 

 25,000 



12,800 



211,584 



128,000 



528,960 



25,600 



51,200 



52,896 



6,400 



52.N90 



3,200 



25,600 



3,200 



6,400 



400 

 400 



3,200 



9,600 

 3,200 

 3,200 

 3,200 

 19,200 

 16,000 



9,600 

 9,600 



32,000 



16,000 



132,240 



25,600 



6,400 



6,400 

 6,400 

 6,400 

 12,800 



12,800 



Trichocerca 

 capucina 



3,200 



3,200 

 3,200 



