1920] 



Allen: Plankton of the San Joaquin River 



185 



1913 



10/11 

 10/15 

 10/18 

 10/22 

 10/26 

 10/29 

 11/ 1 

 11/ 5 

 11/ 8 

 11/12 

 11/15 

 11/19 

 11/22 

 11 26 

 11/30 

 12/ 3 

 6 



12/10 

 12 14 

 12 17 

 12/20 

 12/24 

 12/27 

 12/31 



Table 1. — Organisms Per Cubic Meter in Plankton of 

 Stockton Channel in 1913 — (Continued) 



Filinia Filinia 



Diurella Diurella Epiphanes Filinia egg, attached egg, attached 



egg, free tenuior 



52,896 

 52,890 



105,792 



female 



105,792 1,600 



105,792 



52,896 1,600 



1,600 



male 



79,344 



1913 



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 

 3/29 

 4/ 2 

 4/ 5 

 4/ 9 

 4/13 

 4/16 

 4/19 

 4/23 



105,792 



132.240 



238,032 



1,904,256 



793,440 



899,232 



290,928 



449,616 



211,584 



52,896 



52,896 



Filinia 

 longiseta 



72,732 



20,800 



5,600 



26,448 



2,400 



1,600 



800 



46,284 



4,800 



13,600 



66,120 



304,152 



19,21 10 



383,496 



2,062,944 



1,401,744 



555,408 



3,702,720 



6,083,040 



5,025,120 



1,110,816 



1,586,880 



978,576 



608,304 



608,304 



238,032 



238,032 



132,240 



476,064 



185,136 



264,4,80 



290,928 



400 

 13,224 



400 

 33,060 



800 



13,224 



800 



800 



52,896 



9,600 



14,400 



39,672 



79,344 



79,344 



158,688 



105,792 



11(5,792 



28,800 



343,824 



211,584 



238,032 



158,688 



370,272 



132,240 



238,032 



48,000 



6,400 



211,584 



290,928 



egg, attached 



400 



6,000 



26,448 



26,448 



19,836 



72,732 



112,404 



33,060 



39,672 



171,912 



436,392 



3,200 



6,400 



52,896 



79,344 



9,600 



1,600 



158,688 



1,600 



1.600 



290,928 



211,584 



423,168 



555,408 



132,240 



1,454,640 



iio.8,;;m 



502,512 



201,180 



925.6S0 



12:;, 108 



Keratella 

 egg, free 



72,732 



79,344 



25,200 



99,180 



10,28 1 



39,672 



IMS, 852 



125,028 



171,912 



145,464 



343,824 



s;i9.2:<2 



800 



132,240 



198,360 



449,616 



79.344 

 1,600 



1,600 



1,600 



79,344 



396,720 



740,544 



2,089,392 



872,784 



2.115.840 



2,115,840 



2,062,944 



L,295,952 



1,005,024 



