1920] Allen: Plankton of the San Joaquin River 195 



Table 1.— Orgaxisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913 — (Continued) 



Macrobiotus Nematode Nematode Total Total 



1913 ap. larva sp. Miscellaneous OrganismB 



6/ 3 102,283,072 



6/ 7 



9/20 



89,267,642 



6/11 84,639,968 



6/16 66,351,588 



6/18 . 79,474,408 



6/21 71,200,832 



6/25 3,200 3,200 85,669,652 



6/28 105,512,440 



7/ 3 66,694,496 



7/ 5 ... 36,946.240 



7/9 32,992,824 



7/12 48,253,984 



7/16 78,756,792 



7/19 6,400 50,284,514 



7/23 '-"-'- 29,064,214 



7/26 53,158,602 



7/30 3,200 38,088,136 



8/ 9 39,749,616 



8/ 6 31,442,432 



8/ 9 37,449,228 



8/13 ':z::::z::. :::::;::.:::..: 71,372,480 



8/15 • 43,499,944 



8/20 3,200 50,960,344 



8/23 ' 49,818,048 



8/27 54,312,736 



8/31 ■ 65,254,556 



9/ 2 65,343,280 



9/ 6 77,865,920 



9/ 9 74,010,012 



- - 72,75ri,slli 



9/13 



9/17 62,833,944 



53,627,768 



9/24 64,570,056 



9/27 62,673.664 



10/ 1 67,484.896 



44,854,524 



10/ 4 



10/ 8 5S,332,:i!l() 



10/11 58,491,488 



10/15 56,239,096 



10/18 ::::; zzz::. 52,299,204 



10/22 59,089,962 



10/26 55,197,450 



10/29 .59,191,148 



11/ 1 6,400 6,400 35,026,646 



11/ 5 31,695,424 



11/8 ZZZ:.'. 22,527.S32 



11/12 47,2:i9,2SS 



11/15 26.9!)3,2S0 



11/19 23,2S9,272 



11/22 23,203,120 



11/26 15,874,240 



11/30 18,297,984 



12/3 18,520,416 



12/6 13,329,568 



12/10 5,559,302 



12/14 7,442,442 



12/17 6,341,848 



12/20 6,567,4.56 



12/24 ' 3,734,436 



12/27 7,168,872 



12/31 6,219,632 



