146 



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Chart 3. Protozoa in net plankton of Cayuga, Seneca and Oneida lakes. 

 Scale (number of organisms per liter of water). 

 1 space = 1000; . = less than 100; . . = 100-500. 



Genera observed: Ceratium, Dinobryon, Vorticella, Difflugia, Mallomonas 

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Chart 6. Protozoa in nannoplankton of Cayuga, Seneca and Oneida lakes. 

 Scale (number of organisms per liter of water). 

 1 space = 5000; . = less than 100; ..=100-1000. 



Forms observed: Difflugia, Dinobryon, Peridineae -CS, unidentified 

 forms. 



