19201 



Allen: Plankton of the Smi Joaquin River 



229 



Table 3. — Organisms Per Cubic Meter in Plankton op 

 Smith's Canal in 1913 



Spirillum Total 



1913 undula Bacteriaceae 



1/11 



1/19 



1/25 



2/ 2 1,600 1,600 



2/ S 



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 1,600 1,600 



6/28 



7/ 5 



7/12 1,600 1,600 



7/19 



7/26 



8/ 2 



8/ 9 



8/1' 



8/23 3,200 3,200 



8/31 



9/ 6 105,792 105,792 



9/13 



9/20 



9/27 



10/ 4 



10/U 



10/18 



10/26 



11/ 1 



11/ 8 



11/15 1,600 1,600 



11/22 



11/30 



12/ 6 



12/14 1,600 1,600 



12/20 



12/27 



Gloeocapsa Gomphosphaera 

 1913 sp. aponina 



1/11 



1/19 : 



1/25 



2/ 2 



2/ 8 3,200 



2/15 3,200 



Anabaena 

 sp. 



1,600 



1,600 



3,200 



3,200 



6,400 



3,200 



16,000 



1,600 



3,200 



9,600 



28.800 



476,064 



3,200 



2,036,496 



4,601,952 



4,125,888 



793,440 



2,697,696 



1,586.880 

 1,481,088 

 2,539,008 

 1692,672 



i2i800 



12,800 



12,800 



52,896 



132,240 



Inactis 

 tinctoria 

 Agardh 



Aphanocapsa Coolosphaerium Gloeocapsa 

 sp. kiitzingianum conglomerata 



105,792 

 3,200 



79,344 

 185,136 



52,896 

 264,480 

 105,792 

 264,480 

 423,168 

 1,163,712 



158,688 



211,584 



528,960 



12,800 



12,800 



211,584 



6,400 



3,200 



3,200 



105,792 



185,136 



i05,7'92 



6,400 



168,688 



105,792 



Merismopedium Microcystis 

 glaucum sp. 



Nostoc 

 sp. 



