1920] 



Allen: Plankton of the San Joaquin River 



167 



1913 

 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 



Table 1. — Organisms Pee Cubic Mkter in Plankton op 

 Stockton Channel in 1913 — (Continued) 



Chilodon 

 sp. 



22,400 



Ciliate 

 unidentified 



Coleps 

 hirtus 



264,480 

 105,792 



1,600 



132,240 



119,016 



66,120 



19,836 



400 



Colpoda 

 sp. 



Cyclidium 

 sp. 



158,688 



Didinium 

 nasutum 



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 

 3/8 



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 



Frontonia 

 sp. 



Halteria 

 grandinella 



Hastatella 

 radians 



1,600 



13,224 



11,200 



19,836 



33,060 



13,224 



26,448 



16,000 800 



39,672 



158,688 52,896 



145,464 52,896 



132,240 66,120 



132,240 105,792 



317,376 52,896 



6,400 



1.58,688 3,200 



79,344 1,600 



158,688 12,800 



370,272 



264,480 9,600 



79,344 



35,200 



70,400 3,200 



211, .584 9,600 

 132,240 



25,600 



6,400 ""!""!"!!!! 



1,600 'ZZ'Z'. 



158,688 



3,200 

 9^600 



105,792 



6,400 

 9,600 

 9,600 

 105,792 

 1,600 



