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University of California Publications in Zoology [Vol. 



Table 3. — Organisms Per Cubic Meter in Plankton of 



Smith's Canal in 1913 — (Continued) 



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 

 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 



3,200 

 6,400 



6,400 



3,200 



105,792 



12,800 



105,792 



1,600 



Cosmarium 



1,600 



Mougeotia 

 sp. 



1,600 

 9,600 



238,032 



211,584 



423,168 



264,480 



1,322,400 



3,200 



3,967,200 



4,866,432 



1,586,880 



317,376 



105,792 



"105,792 



.VJ.s'.Mi 



211,584 



52,896 



1,600 



Spirogyra 

 protecta 



3,200 

 3,200 



52,896 

 105,792 

 132,240 



12,800 

 105,792 

 105,792 

 317,376 

 3,200 

 105,792 



211,584 

 423,168 

 3,067,96S 

 317,376 

 423, 16S 

 528,960 



25,600 

 264,480 



12,S00 



3,200 

 3,200 

 3,200 

 1,600 



6,400 



Total 



Staurastrum Total Chlorophyll 



1913 sp. Conjugatae bearing 



1/11 1,200 999,9SS 



1/19 8,000 9,938,504 



1/25 3,600 6,508,748 



2/ 2 4,800 9,223,664 



2/ 8 1,600 17,480,488 



2/15 4,800 10,570,064 



2/23 84,144 17,567,024 



3/ 1 22,767,488 



3/ 8 191,536 11,030,128 



3/15 12,800 13,969,056 



3/23 100,000 17,638,720 



3/29 52,896 25,649,664 



4/ 5 12,800 5,868,912 



4/13 3,200 11,054,624 



4/19 12,431,216 



4/26 8,000 16,141,088 



5/ 3 7,444,200 



5/10 1,600 8,998,528 



5/17 3,200 8,540,968 



5/24 3,200 5,364,608 



5/31 1,600 2,574,208 



6/ 7 9,600 9,462,448 



6/16 9,600 15,295,408 



6/21 4,800 18,320,928 



6/28 52,896 24,406,320 



Total Ceratium 



Algae hirundinella 



998,788 



8,870,984 



4,966,764 



7,955,760 



13,342,648 



6,904,240 



12,084,848 



21,737,712 

 10,562,160 



13,057,120 



15,813,808 

 24,352,112 



5,703,824 



10,647,552 



12,188,384 



15,566,480 



6,781,400 



8,668,352 



8,371,776 



5,222,768 



2,409,120 



9,035,328 



15,127,968 

 17,949,056 

 24,096,192 



3,200 

 3,200 

 3,200 



