144 



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Chart 1. Crustacea in net plankton of Cayuga, Seneca and Oneida 

 Scale (number of organisms per liter of water). 

 1 space = 25; . = less than 1; ..=1-10; depth = meters. 

 Genera observed: 



Cladocera; daphnia, Leptodora, Bosmina -CS, Polyphemus 



dosida -SO, Cerodaphnia -C, Sida -0. 



Copepoda; Cyclops, Diaptomus, Nauplii. 



lakes. 



-CS, Pseu- 





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Chart 2. Rotifera in net plankton of Cayuga, Seneca and Oneida lakes. 

 Scale (number of organisms per liter of water). 

 1 space = 15 ; • = less than 1 ; • • = 1-10. 



Genera observed: Anurea, polyarthra, Asplanchna, Notholca, Triarthra, 

 Pleosoma, Conochilus -SC, Synchaeta -C 



