University of California Publicaiions 



Zooloyy 



I Vol. 22 



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

 Hourly Series in 1913 — (Continued) 



M/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. 



Sccnedesnius 

 (lUftdricauda 



1.5S,(;,S8 

 2(i-!,480 

 l(l.").792 

 L'll,r)S4 

 2ti4,4S0 

 ir)S,688 

 204,480 

 44it,(il6 

 44(t,(;i() 

 396,720 

 55.5,408 

 588,408 

 925,680 



Schroederia 

 Bctigera 



105,792 



105,792 



Total 

 Chlorophyceae 



673,392 

 1,467,440 



661,200 

 1,031,472 

 1,295.9.52 



997,776 

 1,751,968 

 2,194,336 

 2, 147,. 840 

 1,910,6.56 

 2,578,256 

 2,696,848 

 2,743,334 



Asterionella 

 gracillinia 



52,896 

 52,896 



52,896 



Aniphiprora 

 aluta 



1,58,688 

 264,480 

 .502,512 

 502,512 

 502,512 

 211, .584 

 343,824 

 211,584 

 211,584 

 105,792 

 .52„S9() 

 158,6,S8 

 2t)4,4,S0 



Hacillaria 

 paradoxa 



204,480 

 211, .584 

 1.58,688 

 211,584 

 60,800 

 343,824 

 211, .584 

 396,720 

 449,616 

 343,824 

 1.58,688 

 343,824 

 1.58,688 



uu:i 

 «/ii 



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 



s/u 



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 



CyclotoUa 

 kiitzingii 



1,428,192 

 1,005,024 

 1,322,400 

 1,666,224 

 1,269,504 

 819,888 

 1,719,120 

 1,983,600 

 2,195,184 

 2,036,496 

 2,,539,008 

 1,877,808 

 1,428,192 



Fragillaria 

 capucina 



6,400 



52,896 

 6,400 



52,896 



iai;s 



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. 



Mflosira 

 varians 



52,896 

 52,896 



6,400 

 6!400 



Cyclotella 

 operculata 



3,808,572 

 4,311,024 

 4,178,784 

 3,464,688 

 2,750,592 

 2,697,696 

 3,623,376 

 4,178,784 

 2,856,384 

 3,702,720 

 4,072,992 

 4,072,992 

 5,395,392 



Gomphonema 

 constrictum 



52,896 



52,896 



Navicula 

 alpestris 



6,400 



10,5,792 

 12,800 

 52,S96 

 12,800 



52,896 



158.688 



105,792 



158,688 



52,896 



Cymbella 

 affinis 



52,896 



52,896 



52,896 



105,792 



Gyrosignia 

 acuminatum 



Cynibella 

 cymbiforiiiia 



52,896 



52,896 

 52,896 



Navicula 

 bacillum 



15S.688 

 105,792 



"158,688 



105,792 

 105,792 



52,896 



105,792 

 52,896 



6,400 

 "52!896 



Gyrosigma 

 kiitzingii 



52,896 

 52,896 



211,584 

 105,792 

 158,688 

 6,400 

 396,720 

 52,896 

 105,792 



Navicula 

 didyma 



52,896 



52,896 



Cynibella 

 tuniida 



52,896 



'"6,460 

 "12,800 



Gyrosigma 

 scalproides 



158,688 

 343,824 

 1.58,688 

 343,824 

 1.58,6,88 

 52,896 

 343,824 

 449,616 

 819,888 

 766,992 

 925,680 

 1,057,920 

 661,200 



Navicula 

 dubia 



12,800 

 52,896 



Epitheraia 

 ocellata 



52,896 

 MOO 



52,896 



Melosira 

 granulata 



10,790,784 



10,526,304 



8,436,912 



8,198,880 



8,489,808 



9,568,384 



12,668,592 



19,883,104 



20,655,.888 



24,067,680 



34,990,704 



31,737,600 



35,863,488 



Navicula 

 gracilis 



1,269,504 

 1,163,712 



766,992 

 1,005,024 

 1,163,712 



819,888 



872,784 

 1,163,712 



.872,784 

 1,269,504 

 1,586,880 

 1,216,608 

 2,142,288 



