1920 J Allen: PUmkton of the San Joaquin River 231 



Table 3. — Organisms Per Cubic Meter in Plankton op 

 Smith's Canal in 1913 — (Continued) 



,n,o Oscillatoria Oscillatoria Oscillatoria Phormidium Stigonema Total 



1913 formosa sp. tenuis spp. 8 p. Schizophvecae 



4/5 3,200 3,200 79,344 250,832 



4/}3 • 1,600 132,240 140,240 



4/19 1,600 105,792 110,592 



9/ 6 



163,488 



5/3 3,200 3,200 68 696 



5/10 1,600 9600 



5/17 52,896 10,000 84.896 



5/24 

 5/31 

 6/ 7 6,400 



1.600 



3,200 



123 3Q2 



6/16 9,600 3,200 79,344 120944 



f/21 9600 |,,;on 1,600 132i'l44 



6/ 2 8 1,600 1,600 758,800 



i/o 1,600 1600 2130240 



7/12 1,600 1,600 3,200 52 896 3'73556S 



7/19 3,200 317,376 ' ' 6562 3(4 



7/26 3/0,272 M 00 6,7S<),20) 



of £ 31/, 376 2651 ''00 



8/9 6,1.10 687,648 " 158.688 7,623,424: 



8 / 15 323,726 



8/23 211,584 3,200 476,064 11 25'':jr,> 



8/31 317,376 1,798,464 13'o54174 



11.662,720 



9/13 105,792 5218716 



9/20 317,376 211,584 6,571,904 



9/27 105,792 528,960 . . 13,380,01)2 



1,824,064 



J°/!J ••■■•■■•• l^eSO 



10/18 355,776 



1°/ 26 25,600 



11/ 1 230'7S4 



11/ 8 6.400 2 83 680 



11/15 3,200 1,600 295'728 



l}/22 3,200 52,896 174:688 



158,688 



12/6 52,896 13'> '>40 



12/14 1,600 135440 



J2/20 9,600 9 ; 600 



12/27 52,896 52 ]sm 



Actinastrum 



,n,, Actinastrum hantzschii Coclastrum Crucigenia Pediastrum Pediastrum 



IS) Id nantzschn (large) microporum lauterbornii boryanum duplex 



J/J! 400 400 



V19 6,400 



6,400 7,200 



%! 2 ... 10,200 79,344 



2/8 32.000 9,600 



-V 15 51.200 79,344 



2/23 3,200 38 400 132 240 



3/ 1 1,600 105.702 9,600 



3/ 8 1,600 ..... ........... 158,688 (i Kill 



3/15 105,792 . . 70 344 70 344 



3/23 9.600 . 158 688 132 240 



3/29 158,688 13" ''40 13'>''>40 



4/5 3,200 158 ; 688 158 ; 688 



4/13 52,896 12 , 8 00 105,792 



4/19 1,600 1057 92 22.400 



4/26 105,792 26,448 70 344 105 792 



5/3 9,600 132,240 79^344 



5/10 6,400 22.400 12,800 



