1920] 



Allen: Plankton of the San Joaquin River 



267 



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

 Daily Series in 1913 — {Continued) 



Surirella Synedra Synedra Total Closterium Mougeotia 



1913 sp. radians ulna Bacillariaceae rostratum sp. 



7/30 6,400 423,168 528,960 23,495,424 3,200 



7/31 6,400 476,064 370,272 25,745,856 6,400 



8/ 1 105,792 846,336 423,168 2.3,766,304 3,200 



8/ 2 370,272 423,168 23,3.54,240 



8/ 3 12.800 370,272 634,7.52 22,967,968 



8/ 4 25;600 793,440 211,584 20,630,944 3,200 105,792 



Staurastrum 

 1913 A 



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 



'ZZZ^l 6,400 



3,200 3,200 



3,200 



3,200 



3,200 



320,.576 



3,200 



9,600 



3,200 



3,200 6,400 



Z^Z^Z'. 6,400 



'ZZ'Z''. 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 Cerconionas 



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 48,4.50,040 



68,,840,096 60,852,800 



62,240,896 55,047,040 



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



72,392,032 67,089,632 



48,292,352 42,953,0.56 



43,9.53,794 .36,912,226 



22,560,800 19,069,664 



27,722,208 24,227,872 



30,423,104 27,9.30,-592 



23,044,054 19,758,112 



27,956,192 24,538,848 



27,89.3,696 24,190,976 



44,063,882 3.5,86.5,002 



4.5,490,-368 39,133,248 



42,223,606 3.5,234,9.34 



39,375,328 32,019,.584 



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



-33,447,776 29,0-57,408 



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 



1913 sp. 



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 



Chlamydomonas Chromulina Eudorina 



sp. sp. elegans 



634,752 



1,428,192 6,400 



2,221,632 6,400 



3,385,-344 57,600 



2,486,112 19,200 



3,596,928 3,200 



3,120,864 3,200 



4,919,328 6,400 



6,664,896 



7,088,064 158,688 



6,188,9-32 



5,183,808 6,400 



4,866,432 6,400 



105,792 4,760,640 



05,792 6,929,376 



Euglena Hemidiniura 



viridis nasutum 



3,200 



3^200 ''''^Z'''''''. 



105,792 



211,-584 



3,200 



10-5,792 



793,440 



1,057,920 



-370,272 



634,752 



1.58,688 



423,168 



476,064 



6,400 



