234 



Vnivcrsilij of Valifornia I'lihlinitioiis in Zooloyij 



|V„i,.L- 



Table 3. — Organisms Per Cubic Meter in Plankton of 

 Smith's Canal in 1913 — (Continued) 



1913 



8/ 9 



8/15 



8/23 



8/31 



9/ 6 



9/13 



9/20 



9/27 



10/ 4 



10/11 



10/18 



10/26 



11/ 1 



11/ 8 



11/15 



11/22 



11/30 



12/ 6 



12/14 



12/20 



12/27 



Total 

 Chlorophyceae 



2,194,336 



2,168 736 



4,562,256 



6,042,944 



7,606,924 



6,068,548 



6,674,876 



6,292,928 



9,222,112 



9,133,712 



4,337,472 



3,466,640 



3,355,248 



1,811,264 



1,112,416 



579,408 



364,624 



67,296 



59,296 



12,800 



242,832 



Asterionella 

 gracillima 



3,200 



52,896 



6,400 



22,400 



79 344 



1,600 



5,316,048 



1,877,808 



238,032 



158,688 



Asterionella 



grHcilliiim 



(large) 



6,400 



52,896 



158,688 



185,136 



1,600 



634^752 



Am phi prom 

 a lata 



211,584 



105,792 



105,792 

 105,792 



1,600 



Amphora 

 coffaefonriis 



12,800 



1,600 



Bacillaria 



parftdoxa 



14,493,504 



3,200 



2,062,944 



1,057,920 



423,168 



1 798,464 



6,241,728 



2,221,632 



2,327,424 



740,544 



423,168 



211,584 



105,792 



102,400 



28,800 



370,272 



290,928 



1,613,328 



740,544 



502,512 



264,480 



1913 



1/11 

 1/19 

 1/25 

 2/ 2 

 2/ 8 

 2/15 

 2/23 

 3/ 1 

 3/ 8 

 3/15 

 3/23 

 3/29 

 4/ 5 

 4/13 

 4/19 

 4/26 

 5/ 3 

 5/10 

 5/17 

 5/24 

 5/31 

 6/ 7 

 6/16 

 6/21 

 6/28 

 7/ 5 

 7/12 

 7/19 

 7/26 

 8/ 2 

 8/ 9 

 8/15 

 8/23 

 8/31 

 9/ 6 



Cocconeis 

 pediculus 



1,600 



1,600 



1,600 



3,200 



Cocconeis Cyclotella 



sp. spp. 



146,264 



1,560,432 



958,740 



1,137,264 



1,481,088 



1,798,464 



6,.506,208 



1,600 16,794,480 



6,109,488 



4,839,984 



3,491,136 



4,496,160 



1,322,400 



52,896 1,745,568 



3,358,896 



2,062,944 



3,782,064 



1,533,984 



2,248,080 



899,232 



581,856 



819,888 



1,295,9.52 



1,560,432 



3,649,824 



3,226,656 



5,310,048 



7,405,440 



8,410,464 



10,367,616 



6,823,584 



7,669,920 



13,594,272 



14,281,920 



12,906,624 



Cymatopleura 

 solea 



Cymbella 

 affinis 



1,600 



6,400 

 6,400 

 3,200 

 3,200 

 9,600 

 3,200 

 12,800 

 6,400 



3,200 



'3,260 

 3,200 



19,200 



"3,206 



0,400 



25,600 



25,666 



12,800 



52,896 

 1,600 

 3,200 



105,792 



1,600 



52,896 



1,000 



3,200 



3,200 

 3,200 

 1,600 

 1,600 

 1,600 

 3,200 



Cymbella 

 cymbiformis 



1,600 



22,400 



'52,896 



' '6i466 



9,600 

 6,400 



'3,266 



3,200 

 3,200 



3,200 



"6,'466 

 6,400 



12,800 

 25,600 



