1920] 



Allen: Plankton of the San Joaquin River 



135 



Table 1. — Organisms Per Cubic Meter ix Plaxktox of 

 Stockton Channel in 1913 — (Continued) 



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 

 2/26 

 3/ 1 

 3/ 5 

 3/ 8 

 3/12 

 3/15 

 3/19 

 3/23 

 3/26 

 ;; l".i 

 4/ 2 

 4/ 5 

 4/ 9 

 4/13 

 4/16 

 4/19 

 4/23 

 4/26 

 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 



Total 

 Chlorophyceae 



19,836 



1,200 



400 



1,600 



2,800 



40,660 



14,024 



21,036 



14,824 



32,44S 



11,200 



13,600 



117,792 



242,032 



93,368 



219,584 



98,544 



96,944 



27,200 



68,896 



169,04(1 



279,280 



224,384 



32,000 



19,200 



28,800 



196,336 



96,944 



25,600 



255,632 



133,840 



375,072 



290,080 



201,136 



113,792 



145,040 



404,720 



432,768 



147,392 



713,248 



1,873,760 



2,026,048 



5,834,560 



5,829,760 



5,116,416 



2,803,488 



1,091,744 



2,750,192 



4,714,144 



4,603,168 



4,399,968 



2,966,976 



1,021,024 



2,131,840 



2,138,232 



3,080,768 



2,362,624 



1,811,264 



3,470,240 



1,920,256 



Asterionella 



gracillima (large) 



707,484 

 257, Mis 

 528,960 



2.251,0(12 



4,350,696 

 740,544 

 238,032 



1,071,144 



1,031,472 

 985,188 



1,04 t,696 

 251,256 

 859,560 



1,097,592 

 370,272 



4,496,616 

 528,960 

 290,928 

 132,240 



158,688 

 105,792 

 211,584 

 423,168 



528,(160 

 423,168 

 476,064 

 634,752 

 105,792 



19,836 

 400 



3,200 



105,792 

 423,168 



476,064 

 264,48(1 

 158.688 

 261,180 

 3,200 



13,224 



52,896 



26. IIS 



26.118 



800 



:;,2oo 



1,600 

 1,600 

 1,600 



1,600 

 1,600 

 1,600 



3,200 



158,688 

 M.2HO 



3,200 



105)792 



3.200 



3,200 

 3,200 



6,100 

 3)200 



3,200 



Cocconcis 

 pediculua 



6,612 



Hi, 28 1 



1,600 

 6,-100 



1,600 



3,200 

 3,200 



3,200 



12,800 

 57,600 



211.584 



