192 °] Allen: Plankton of the San Joaquin River 195 



Table 1. — Organisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913 — (Continued) 



Macrobiotus Nematode Nematode Total Total 



1913 sp. larva sp. Miscellaneous Organisms 



6/3 102,283,072 



6/7 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 4S,253,984 



7/16 78,756,792 



7/19 6,400 50,284,514 



7/23 29,064,214 



7/26 53,158,002 



7/30 ... 3,200 38,088,136 



8/2 39,749,616 



8/ 6 31,442,432 



8/ 9 37,449,228 



8/13 71,372,480 



8/15 43,499,944 



8/20 3,200 50,960,344 



8/23 49,818,04S 



8/27 54,312,736 



8/31 65,254,556 



9/ 2 ....... 65,343,280 



9/ 6 77,865,920 



9/ 9 . 74,010,912 



9/13 72,756,816 



9/17 62,833,944 



9/20 53,627,76S 



9/24 64,570,056 



9/27 62,673,664 



10/1 67,484,S96 



10/4 44,854,524 



10/8 ........ 58,332,396 



10/11 58,491,488 



10/15 56,239,096 



10/18 52,299,264 



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 22,527,832 



11/12 47,239,288 



11/15 26,993,280 



11/19 23,289,272 



11/22 23,203,120 



11/26 15,874,240 



11/30 18,297,984 



12/ 3 18,520,416 



12/ 6 13,329,56S 



12/10 5,559,302 



12/14 7,442,442 



12/17 6,341,848 



12/20 6,567,456 



12/24 3,734,436 



12/27 7,168,S72 



12/31 6,219,632 



