258 



Vniversitjj of Culifornin Publications in Zoologij [Vol.: 



Table 3. — Ouganisms Per Cubic 

 Smith's Canal in 1913 



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 



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 



Kcrutclla 

 egg, free 



2,000 



1,600 



19,836 



79,344 



185,136 



185,136 



12,800 



343,824 



211,584 

 52,896 

 79,344 



105,792 

 3,200 



158,688 

 22,400 

 79,344 



317,376 

 3,200 



52,896 

 158,688 

 264,480 

 661,200 

 317,376 

 3,200 



317,376 

 317, 76 



211,584 



264,480 



423,168 



52,896 



52,896 



132,240 



1,000 



6,4' 

 6,400 

 3,200 



Keratella 

 quadrata 



1,000 

 cS.OOO 

 8,000 

 6,400 

 132,240 

 25,600 

 6,400 

 6,400 

 3,200 



79,344 



9,600 

 132,240 

 25,600 

 19,200 

 28,800 

 28,800 

 19.200 

 10.5,792 



3,200 



6,400 



6,400 



185,136 



3,200 



79,344 



19,200 



108,800 



105,792 



70,400 



44,800 



25,600 



12,800 



25,600 



51,200 



211,584 

 211,584 

 423,168 

 317,376 

 158,688 

 105,792 



3,200 



6,400 

 6,400 

 1,600 

 79,344 

 6,400 

 3,200 



Not!iolca 

 striata 



1,600 

 1,600 



6,400 



6,400 



1,600 

 3,200 



3,200 



6,400 

 12,800 



Meter in Plankton of 



— {Continued) 



Polyartttra 



Polyarthra trigla egg: 

 trigla attached, female 



3,200 'ZZZ^l 



19,836 



1,600 



211,584 



132,240 



12,800 



9,600 



3,200 



12^800 'ZZ'Z''. 



1,600 



6,400 



6,400 



38,400 



73,600 



48,000 3,200 



16,000 



25,600 



3,200 



76,800 



9,600 



ig^MO 'Z'Z'Z'. 



79,.344 



12,800 



370,272 1,000 



25,600 



51,200 



211, .584 



105,792 



6.400 



105,792 



128,000 12,800 



38,400 



1.53,600 



423,168 



89,600 



12306 ZZZZ". 



10.5,792 



6,400 



MOO ZZZZ. 



12,800 3,200 



264,480 3,20 ) 



6,400 



6,400 



3,200 



iSynchaeta 

 sp. 



i'ieoo 



8,000 

 1,600 



6,400 



9,600 

 156,800 



3,200 

 28,800 

 12,800 

 16,000 



6,400 

 22,400 



3,200 

 44,800 



3,200 

 108,800 



eos^soi 



3,200 



370,272 

 35,200 

 52,896 



6,400 

 12,800 



6,400 



211,584 



38,400 



12,800 



211,584 



'423,168 

 2 11,. 584 

 264,480 

 211,584 

 370,272 



52,896 

 105,792 

 105,792 



79,344 

 238,032 



25,600 

 185,136 



1913 

 1/11 



1/19 



1/25 

 2/ 2 

 2/ 8 



Trichocerca 

 cftpucina 



Trichocerca 

 iernis 



Total 

 Ploiiiia 



6,800 



36,800 



71,272 



108,144 



481, .520 



Total 

 Rotifera 



8,400 



83,200 



94,308 



130,944 



529,520 



Bosmina 

 longirostris 



Chydorus 



800 



