1920] 



Allen: Plankton of the San Joaquin River 



267 



Table 4.— Plankton Organisms Per Cubic Meter in Stockton Channel, 

 Daily Series in 1913 — (Continued) 



1913 



7/30 

 7/31 

 8/ 1 

 8/ 2 

 8/ 3 

 8/ 4 



(5,400 



0,400 



105,792 



"12,800 



25,600 



423,168 

 476,064 

 846,336 

 370,272 

 370,272 

 793.440 



528,960 

 370,272 

 423,168 

 423,168 

 634,752 

 211,584 



Total 

 Bacilla 



23,495, 124 

 25,745,856 



23,766,304 

 23,354,240 



22,967,968 

 20,630,944 



Closterium Mougeotia 



rostratum sp. 



3,200 



6,400 



3,200 



3,200 105,792 



7/ 5 3,200 



7/ 6 



7/ 7 



7/ 8 



7/ 9 6,400 



7/10 



7/11 



7/12 



7/13 



7/14 



7/15 



7/16 6,400 



7/17 



7/18 3,200 



7/19 



7/20 



7/21 



7/22 6,400 



7/23 



7/24 3,200 



7/25 



7/26 



7/27 



7/28 6,400 



7/29 6,400 



7/30 



7/31 



8/ 1 



8/ 2 



8/ 3 



8/ 4 6,400 



Staurastrum Total 



sp. Conjugatae 



6,400 



3,200 3,200 



6,400 

 3,200 3,200 



3,200 



3,200 



3,200 

 320,576 

 3,200 

 9,600 

 3,200 

 3,200 6,400 



6,400 



6,400 



3,200 

 3,200 6,400 



108,992 



3,200 6,400 



158,688 



9,600 

 12,800 

 9,600 

 6,400 

 3,200 



3,200 3,200 

 3,200 118,592 



Total 



Chlorophyll Total Cercomonas 



bearing Algae crassicauda 



24,657,440 22,693,888 



20,518,752 17,699,264 



25,811,552 22,384,608 



31,487,424 27,727,104 



24,516,656 21,506,480 



31,763,090 27,521,810 



30,378,304 26,778,176 



37,862,232 31,667,000 



56,860,504 48,450,040 



68,840,096 60,852,800 



62,240,896 55,047,040 



71,364,608 66,012,512 3,200 



72,392,032 67,0S9,632 



48,292,352 42,953,056 



43,953,794 36,912,226 



22,560,800 19,069,664 



27,722,208 24,227,872 



30,423,104 27,930,592 



23,044,054 19,758,112 



27,956,192 24,538,848 



27,893,696 24,190,976 



44,063,882 35,865,002 



45,490,368 39,133,248 



42,223,606 35,234,934 



39,375,328 32,019,584 



31,213,344 26,967,864 3,200 



33,447,776 29,057,408 



34,225,216 27,821,600 



30,601,496 25,771,960 



32,774,432 27,104,960 



31,681,322 24,312,778 



Chilomonas Chlamydomonas Chr 



1913 



7/ 5 

 7/ 6 

 7/ 7 

 7/ 8 

 7/ 9 

 7/10 

 7/11 

 7/12 

 7/13 

 7/14 

 7/15 

 7/16 

 7/17 

 7/18 

 7/19 



634,752 



1,428,192 



2,221,632 



3,385,344 



2,486,112 



3,596,928 



3,120,864 



4,919,328 



6,664,896 



7,088,064 



6,188,932 

 5,183,808 



4,866,432 



105,792 4,760,640 

 05,792 6,929,376 



6,400 

 6,400 

 57,600 

 19,200 

 3,200 

 3,200 

 6,400 



158,688 



6,400 

 6,400 



Euglena Hemidiniun 



viridis nasutum 



3,200 



3,200 



105,792 



211,584 



3,200 



105,792 



793,440 



1,057,920 



370,272 



634,752 



158,688 



423,168 



476,064 



6,400 



