15^ Roosevelt Wild Life Bitlletiii 



Fig. 



I 



Fig. 



2 



Fig. 



3 



Fig. 



4 



Figs. 



5-6 



Fig. 



7 



Fig. 



8 



Figs. 



, 9-10 



Fig. 



II 



Fig 



12 



Fig. 



13 



Plate 3. Plankton Algae of Palisades Park 



(All figures x 460) page 



Chroococcus limneticus 140 



Chroococcus minutus 140 



Chroococcus turgidus 140 



Merismopedia elegans 140 



Merismopedia tenuissima 1 40 



Coelosphaerium Kuelzingianum 140 



Coelosphaerium Naegelianum 140 



Coelosphaerium radiatum 136, 140 



Microcystis flos-aquae 1 40 



Microcystis aeruginosa 1 40 



Microcystis pulvera 140 



