220 



T'liircrHity of Calif oriiia Puhlinitiuiis in Zoology [Vol.22 



Table 2. — Orcanisms Pkr Cubic Meter in Plankton of 

 San Joaquin River in 1!)1;5 — (Continued) 



1913 



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 



1913 

 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 



UotiftT egg, 

 winter 



1,600 

 12,800 



105,792 



Z,200 



105,792 



25,600 

 38,400 



6,400 

 52,896 



1,600 



3,200 

 3,200 

 1,600 



Rotifer egg, 

 unidentified 



16,000 



1,600 

 1,600 



Rotifer 

 unidentified 



9,600 



3,200 

 6,400 

 3,200 

 6,400 



22,400 



12,801) 

 12,800 



3,200 



"3,200 

 1,600 



158,688 



32,000 



12 800 



211,584 



25,600 

 211,584 

 105 792 

 1051792 



38,400 

 211,584 



12,800 

 6,400 



3,200 



Asplanchna Asplanchnopus Brarhionus 

 bright wellii sp. angularis 



1,600 



6,400 

 9,600 



Total 

 Bdelloida 



88,944 



lss,:;:;i; 



2.").iill(l 



l(i,UUU 



3,200 



6,400 



22,400 

 6,400 



6,400 

 12..S00 

 12,800 



3,200 



3,200 

 3,200 

 4,800 



6,400 

 174,688 



64,000 



19,200 



224,384 



25,600 



224,384 



105,792 



156,992 



64,000 



330,176 



12,800 



19,200 



19,200 



12,800 



9,600 

 6,400 

 6,400 

 3,200 



Braoiiionus 

 aiiKuluris 

 caudatus 



400 

 400 



Anureaopsie 

 fissa 



38,400 



6,400 



105,792 



12,800 

 105,792 

 105,792 



12,800 



25,600 

 12,800 



6,400 

 3,266 



1,600 



AnurcaopsiB 

 sp. 



3,200 



6,400 

 6,400 



Brachionus 

 budapesteiiensis 



79,344 



6,400 



Brachionus 



calyciflorua 



800 



1,200 



1,200 



4,000 



1,600 



44,800 



132,240 



41,600 



6,400 



3,200 



19,200 



16,000 



16,000 



