258 



University of California Publications in Zoology [Vol.22 



Keratella 



1913 egg, free 



1/11 2,000 



1/19 1,600 



1/25 19,836 



2/ 2 79,344 



2/ 8 185,136 



2/15 185,136 



2/23 12,800 



3/ 1 



3/ 8 



3/15 



3/23 343,824 



3/29 211,584 



4/ 5 52,896 



4/13 79,344 



4/19 105,792 



4/26 3,200 



5/ 3 158,688 



5/10 22,400 



5/17 79,344 



5/24 



5/31 317,376 



6/ 7 3,200 



6/16 



6/21 52,896 



6/28 158,688 



7/ 5 264,480 



7/12 661,200 



7/19 317,376 



7/26 3,200 



8/ 2 



8/ 9 



8/15 



8/23 



8/31 317,376 



9/ 6 



9/13 317, 76 



9/20 



9/27 



10/ 4 



10/11 



10/18 211,584 



10/26 264,480 



11/ 1 423,168 



11/8 52,896 



11/15 52,896 



11/22 132,240 



11/30 1,600 



12/ 6 



12/14 6,4 



12/20 6,400 



12/27 3,200 



3. — Organisms Per Cubic 



Smith's Canal in 1913 



Keratella Notholca 



quadrata striata 



1,600 



S.000 



8,000 1,600 



6,400 1,600 



132,240 



25,600 6,400 



6,400 



6,400 



3,200 



6,400 



79,344 



9,600 1,600 



132,240 3,200 

 25,600 



19,200 3,200 



28,800 



28,800 



19,200 



105,792 



3J200 ZZZZZZZZ 



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 6,400 



105,792 12,800 



3,200 



6,400 



6,400 



1,600 



79,344 



6,400 



3,200 



Meter in Plankton of 

 — (Continued) 



Polyarthra 



Polyarthra trigla egg; 

 trigla attached, female 



3,200 ZZZZZZZ.'. 



19,836 



1,600 



211,584 



132,240 



12,800 



9,600 



3,200 



12,S00 ZZZZ.. 



1,600 



6,400 



6,400 



38,400 



73,600 



48,000 3,200 



16,000 



25,600 



3,200 



76,800 



9,600 



19,200 



79,344 



12,800 



370,272 1,600 



25,600 



51,200 



211,584 



105,792 



• 6,400 



105,792 



128,000 12,800 



38,400 



153,600 



423,168 



89,600 



12,800 ".'.'".'".".".".' 



105,792 



6,400 



6,400 ZZZZZZZ 



12,800 3,200 

 264.4S0 3,20 1 



6,400 



6,400 



3,200 



1,600 

 8,000 

 1,600 



6,400 



9,600 



156,800 



3,200 



lis, Mill 



12,800 

 16,000 



6,400 

 22,400 



3,200 

 44,800 



3,200 

 108,800 



608,304 



3,200 



370,272 



35,200 



52.S96 



6,400 

 12,800 



6,400 



211,584 



38,400 



12,800 



'211,584 



423,168 

 211,584 

 264,480 

 211,584 

 370,272 



52,896 

 105,792 

 105,792 



79,344 

 238,032 



25,600 

 185,136 



Trichocerca 



1913 capucina 



1/H 



1/19 



1/25 



2/ 2 



2/ 8 



Total 

 Ploima 

 6,800 



36,S0O 

 71,272 

 108,144 

 481,520 



Total 



Rotifera longirostr 



8,400 



83,200 



94,308 



130,944 



529,520 



SOI) 



