280 



University of California Publications in Zoology [Vol. 22 



Table 5. — Plankton Organisms Pes Cubic Meter in Smith's Canal, 



Hourly Series in 1913 — (Continued) 



1913 

 s/ll 



7 A.M. 



8 A.M. 



9 A.M. 



10 A.M. 



11 A.M. 



12 M. 



1 P.M. 



2 P.M. 



3 P.M. 



4 P.M. 



5 P.M. 



5:48 p.] 

 6:40 p.i 



Brachionus 

 angularis 



6,400 



52,896 



52,896 



1,216,608 



2,380,320 



2,3S0,320 



1,930,704 



1,163,712 



3,253,104 



1,666,224 



925,680 



555,408 



714,096 



766,992 



1,163,712 



i,.-,\r,,sM> 



Brachionus 

 budapestinensis 



6,400 

 6,400 



52,896 



6,400 



52.896 



Brachionus 

 calyciflorus 



158,688 



396,720 

 264,480 

 264,480 

 158,68 i 

 211.5S4 



SI). (KM) 



140,800 

 158,688 

 105,792 

 80,000 

 105,792 

 158,688 



Brachionus 

 capsuliflorus 



25,600 

 12,800 

 41,600 



105,792 

 67,200 



105,792 

 12,800 

 19,200 

 6,400 

 52,896 

 25,600 

 25,600 

 25 600 



egg; attached, 

 female 



52,896 



264,480 

 52,896 

 52,896 

 52,896 



158,688 



211,584 

 211,584 

 264,480 

 396,720 



M. 



1913 

 8/11 



7 A.M. 



8 A.M. 



9 A.M. 



10 A.M. 



11 A.M. 



12 M. 



1 P.M. 



2 P.M. 



3 P.M. 



4 P.M. 



5 P.M. 



5:48 p. 

 6:40 p. 



1913 3 



S/ll 



7 A.M. 



8 A.M. 



9 A.M. 



10 A.M. 



11 A.M. 



12 M. 



1 P.M. 



2 P.M. 



3 P.M. 



4 P.M. 



5 P.M. 



5:48 p.m. 

 6:40 p.m. 



105,792 

 52,896 



32,000 

 52,896 



52,896 



25,600 

 6,400 



6,400 

 158,688 

 52,896 

 6,400 

 48,000 

 12,800 

 15N,6SS 



1913 

 8/11 



7 A.M. 



8 A.M. 



9 A.M. 



10 A.M. 



11 A.M. 



12 M. 



1 P.M. 



2 p.m. 



3 P.M. 



4 P.M. 



5 P.M. 



5:48 p.m. 

 6:40 p.m. 



Keratella 

 egg, attached 



52,896 

 52J896 



6,400 

 52,896 



60S,304 

 1,057,920 

 343,824 

 6.1,200 

 343,824 

 766,992 

 158,68S 

 105,792 

 52,896 



105,792 

 608,304 

 343,824 



Brachionus 

 a'ith parasites 



6,400 

 "105,792 



Keratella 

 egg, free 



396,720 

 396,720 

 502,512 

 766,992 

 449,616 

 819,888 

 502,512 

 819,SS8 

 661,200 

 264,480 

 60S,304 

 714,096 

 925,680 



264,480 

 105,792 



Diurella 

 egg 



158,688 



"211,584 



52,896 



158,688 

 158,688 

 105,792 

 52,896 

 52,896 

 158,688 

 264.4.S0 

 211,584 



Keratella 

 quadrata 



211,584 

 396,720 

 313, N24 

 502,512 

 264,480 

 264,480 



I ill, SOI) 



211,584 

 67,200 

 52,896 

 52,896 

 158,688 

 264,480 



Brachionus 



52,896 



6,400 



Filinia 

 egg, free 



661,200 

 714,096 

 555,408 

 555,408 

 396,720 

 766,992 

 502,512 

 449,616 

 105,792 

 158,688 

 396,720 

 449,616 

 608,304 



Polyarthra 

 trigla 



766,992 

 l,.-,sti,ssi) 

 2,248,080 

 1,322,400 

 1,877,808 

 1,824,912 

 1,005,024 

 1,269,504 

 1. 269,50 1 



608,304 



766,992 

 1,057,920 



872,784 



Brachionus 

 patulus 



6,400 



6,400 

 12,800 



12,800 



52,896 



6,400 



25,600 



6,400 



6,400 



52,896 

 6,400 



52,896 



105,792 

 158,688 



52,896 

 105,792 



52,896 



52,896 

 52,896 



Polyarthra trigla 



egg; attached, 



female 



52,896 



12,800 

 6,400 

 6,400 



52,896 



6,400 



105,792 



105,792 



52,896 



264,480 



105,792 



52,896 



158,688 



52,896 



52,896 



52,896 



25,600 



