1920] 



Allen: Plankton of the San Joaquin River 



249 



Table 3. — Organisms Per Cubic Meter in Plankton op 

 Smith's Canal in 1913 — (Continued) 



Heterophrys 

 fockei 



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 



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 



211,584 

 211,584 

 211,584 

 211,584 



105,792 



"423,168 

 317,376 



2,962,176 



211,584 



105,792 



52,896 



Nuclearia 

 simplex 



1,600 



Pinaciophora Raphidiophrys 

 fluviatilis elegans 



52,896 



317,376 

 317,376 

 105,792 



12,800 



1,269,504 

 528,960 

 423,168 

 158,688 

 105,792 



1,600 



79,344 



1,600 



41,600 



1,600 



"ici5,792 

 79,344 

 264,480 

 423,168 

 317,376 

 687,648 

 105,792 



1,005,024 

 211,584 

 211,584 



Total 

 Heliozoa 



3,200 



52,896 



687,648 



1,600 1,216,608 



1,600 



1,600 



79,344 



1,600 



25,600 



6,400 



41,600 



79,344 



1,600 



12,800 



108,992 



79,344 



264,480 



634,752 



528,960 



899,232 



317,376 



1,005,024 

 211,584 

 423,168 



"423,168 

 541,760 



3,173,760 



1,798,464 

 634,752 

 476,064 

 211,584 

 799,840 



1,218,208 



Ciliate 

 unidentified 



1,600 

 1,600 

 1,600 



521,896 



9,600 



12,806 



3,200 



Cyclidium 

 1913 sp. 



1/11 



1/19 



1/25 



2/ 2 



2/ 8 



2/15 



2/23 



3/ 1 



3/ 8 



3/15 



Didiniura 

 nasutum 



3,200 



Euplotes 

 harpa 



6,400 

 3,200 

 3,200 

 3,200 

 9,600 



Euplotes 

 patella 



9,600 

 3,200 



Halteria Hastatella 



grandinella radians 



3^206 "!!"""""" 



3,200 3,200 



