218 



University of California Publications in Zoology [Vol.22 



Table 2. — Organisms Per Cubic Meter in Plankton of 

 San Joaquin River in 191.3 — {Continued) 



Total Protozoa 

 neta Podophrya Sphaerophrya Total without 



p. sp. sp. Suctoria Mastigophora 



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 

 9/ 6 

 9 13 

 9/20 

 9/27 

 10/ 4 

 10/11 

 in is 

 10/26 

 11/ 1 

 11/ 8 

 11/15 

 11/22 

 11/30 

 12/ 6 

 12/14 

 12/20 

 12/27 



3,200 



6,400 

 105,792 



1051792 



105,792 



3,200 



3,200 

 3,200 



19,200 



25,600 

 12,800 

 38,400 



25,600 



3,200 

 3,200 

 1,600 



6,400 



19,200 



105,792 



25,600 

 12,800 

 144,192 



25.600 

 105,792 



3,200 

 6,400 

 4,800 

 3,200 



1,600 



S00 



1,200 



6,400 



29S.928 



22,400 



261,184 



153,040 



571,508 



110,592 



532,912 



435,968 



319,728 



221, 1S4 



512,112 



307,680 



249,232 



6,400 



395,872 



538,560 



1,440,992 



1,122,768 



426,368 



370,272 



194,736 



370,272 



367,824 



1,907,456 



1,017,824 



1,811,264 



1,929,856 



1,724,672 



1,SS9,760 



2,974,976 



1,519,488 



I.519.4S.S 



2,907,584 



2.r,s:v_>o<i 



4,799,040 



2,551,808 



1,307,904 



1,214,912 



S19.040 



594,650 



2,17!I,S40 



132,992 



11,200 



67,296 



16,000 



140,240 



19,200 



Total Protozoa 



with 

 Mastigophora 



400 



2,800 



2,264,904 



928,480 



1,628,880 



3,299,904 



3,050,928 



2,853,840 



923,984 



7SMU1 



381,472 



1,326,352 



2,135,040 



486,416 



593,808 



619,504 



485,568 



515,312 



217,984 



527,264 



651,752 



2,446,016 



2,151,656 



990,528 



653,856 



257.232 



1,084,368 



1,513,088 



7,892,608 



8,825,536 



4,507,264 



4,959,222 



3,760,420 



5,534,688 



6,597,504 



6,183,744 



7,011,088 



6,344,128 



7,585,232 



12,560,256 



8,511,760 



10,088,640 



9,796,864 



4.976,320 



4,032,896 



6,461,024 



7,202,608 



4,457,664 



5,344,848 



3,012,624 



2,450,816 



815,840 



Collotheca 



1913 egg, attached 



1/ 5 



1/12 



1/19 



1/25 



2/ 2 



Collotheca 

 pelagica 



400 

 2,400 



Rotaria 

 rotatoria 



2,000 



4,400 



52,896 



26,448 



107,392 



