226 



Univcrsitij of Califaniia I'Hblicaliuiis in Zuologij [Vm.. 132 



Tadle 2. — Organisms Per Cuuic Meter in Plankton of 

 San JoAtjuiN Hiver in 1913 — (Continued) 



1913 

 10/11 

 10/18 

 10/26 

 11/ 1 

 11/ 8 

 11/15 

 11/22 

 11/30 

 12/ 6 

 12/14 

 12/20 

 12/27 



1913 



1/ -i 

 1/12 

 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 

 9/13 

 9/20 

 9/27 

 10/ 4 

 10/11 

 10/18 

 10/26 

 11/ 1 

 11/ 8 

 11/15 



Tricliocerca 

 iernis 



Trichotria 

 curta 



64,000 



Chydorus 

 sp. 



Sida 

 sp. 



6,400 

 12,800 



12,800 

 12,800 

 25,600 



12,800 



25,600 

 12,866 



Total 

 Ploinia 



637,376 



2,830,016 



3,185,792 



3,949,312 



2,168,736 



565,664 



811,040 



427,872 



154,544 



239,536 



159,440 



98,544 



Total 

 Uotifora 



893,376 



3,422,976 



3,515,968 



3,981,312 



2,194,336 



629,664 



817,440 



427,872 



164,144 



245.936 



165,840 



101,744 



Total Canthocamptus 



Cladocera Bp. 



400 

 1,200 



6,400 

 3,200 



1,600 

 3,200 



3,200 

 6,400 



6,400 



44,800 

 12,800 

 38,400 



162,466 

 51,200 

 51,200 

 12,800 



12,806 



6,400 



6,m 



3,200 



6,400 



12,800 



Bosinina 

 longirostris 



6,400 

 6^466 



3,200 



6,400 



Cyclops 

 sp. 



400 

 800 



3,200 



'3,206 

 12,800 



19,200 

 6,400 

 (i.H)O 

 11,4(10 



rj.MlO 



"25,666 



12,800 



Bosinina 

 sp. 



Nauplius 

 sp. 



466 



800 

 2,800 

 9,600 

 3,200 



3,266 



1,600 

 1,600 



3,200 



12,800 

 25,600 



3,200 



.%266 



6,400 

 6,400 



CiAOO 



6,400 



6,400 



6,400 



12,800 



211,584 



105,792 



105,792 



25,600 

 38,400 



