1920] 



Allen: Plankton of the San Joaquin River 



159 



Table 1. — Organisms Per Cubic Meter in Plankton op 

 Stockton Channel in 1913 — (Continued) 



4/30 

 5/ 3 

 5/ 7 

 5/11 

 5/14 

 5/17 

 5/21 

 5/24 

 5/27 

 5/31 

 6/ 3 

 6/ 7 

 6/11 

 6/16 

 6/18 

 6/21 

 6/25 

 6/28 

 7/ 3 

 7/ 5 

 7/ 9 

 7/12 

 7/16 

 7/19 

 7/23 

 7/26 

 7/30 

 8/ 2 

 8/ 6 

 8/ 9 

 8/13 

 8/15 

 8/20 

 8/23 

 8/27 

 8/31 

 9/ 2 

 9/ 6 

 9/ 9 

 9/13 

 9/17 

 9/20 

 9/24 

 9/27 

 10/ 1 

 10/ 4 

 10/ 8 

 10/11 

 10/15 

 10/18 

 10/22 

 10/26 

 10/29 

 11/ 1 

 11/ 5 

 11/ 8 

 11/12 

 11/15 

 11/19 

 11/22 



3,200 



135,440 



105,792 290,928 

 52,896 



79,344 370,272 

 I 12 192 



2H4.4SO 58l|S56 



211,584 221,184 



105,792 264,480 



264,480 532,160 



211,584 1,540,384 



317.376 746,944 



6S7.64S 1,005,024 



793,440 1,110,816 



423,168 1,497,088 



264,4S0 1,503,488 



15S,688 700,448 



6S7.64S 1,447,392 



1,005,024 1,867,360 



1,057,920 2,941,280 



264,480 2,069,344 



264,480 3,016,576 



476,004 6,195,232 



5,352,096 



7,041,56S 



3,200 3,285,952 



105,792 8,198,880 



4,244,480 



105,792 4,832,736 



105,792 4,988,224 



211,584 2,912,480 



1,057,920 8,485,750 



793,440 6,780,288 



1,110,816 10,473,408 



158,688 8,892,928 



317,376 8,519,456 



740,544 11,319,744 



52S.960 15,203,552 



634,752 16,824,128 



687,648 22,645,888 



476,064 21,634,464 



793,440 21,012,512 



264,480 9,574,176 



317,376 7,464,736 



317,376 14,705,0S8 



423,168 12,377,664 



370,272 6,630,200 



952,128 6,459,712 



581,856 6,935,776 



1,057,920 4,020,024 



846,336 6,453,312 



793,440 5,818,560 



740,544 5,025,120 



476,064 7,259,552 



211,584 8,052,992 



5,606,976 



158,688 6,373,120 



502,512 13,865,152 



476,064 7,365,344 



158,688 5,667,872 



158,688 5,814,512 



Amoeba 

 proteus 



rmlmst 



1,600 



7'.i,:; il 

 1,600 

 1,600 



3,200 



3,200 



15S.6SS 

 105,792 



6,400 



3,200 



15N.0NS 

 211,584 



52,896 

 52;896 



211,584 

 476,064 

 370,272 

 264,480 



6,400 



6,400 



3,200 



