1920] 



All) ii : l'hinkttiii of the San Joaquin River 



167 



Table 1. — Organisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913 — (Continued) 



10/18 

 10/22 

 10/26 

 10/29 

 11/ 1 

 11/ 5 

 11/ 8 

 11/12 

 11/15 

 11/19 

 11/22 

 11/26 

 11/30 

 12/ 3 

 12/ 6 

 12/10 

 12/14 

 12/17 

 12/20 

 12/24 

 12/27 

 12/31 



22,400 



264,480 

 105,792 



132,240 



119,016 



66,120 



19,836 



400 



I5X.6SS 



32,000 



19,200 



1,600 



3,200 



Enchelys 

 1913 sp. 



1/5 . ........ 



1/ 8 



1/12 



1/15 



1/19 



1/22 



1/26 



1/29 



2/ 2 



2/ 5 



2/ 8 



2/12 ............ 



2/15 

 2/19 

 2/23 1,600 



2/26 



3/ 1 ................ 



3/ 5 

 3/ S 

 3/12 

 3/15 

 3/19 



3/23 



3/26 



3/29 



4/ 2 



4/ 5 



4/ 9 



4/13 



4/16 



4/19 



4/23 



4/26 



Euplotes 

 harpa 



Euplotes 

 patella 



Halteria 

 grandinella 



1,600 



13,224 ............. 



11,200 



19,836 



33,060 



13,224 



26,448 



16,000 800 



39,672 



158,688 52,896 



145,4151 52,896 



132,240 66,120 



132,240 105,792 



317,376 52,896 



6,401) 



158,688 3,200 



79,344 1,600 



158,688 12,800 



264^480 '.1.6(H) 



79,344 



35,200 



70,400 3,200 



211,584 9,600 

 132,240 



25,600 



6,400 

 1,600 



3,200 



9,600 



105,792 



6,400 

 9,600 

 9,600 

 105,792 

 1,600 



