1 86 Roosevelt Wild Life Bulletin 



Plate 20. Plakkton Algae of Palisades Pabk 



(All figures x 460) page 



Figs. 1-3 Staurastrum Ophiura 144 



Figs. 4-5 Staurastrum furcigerum 144 



Figs. 6-7 Staurastrum tohopekaligense 144 



Figs. 8-9 Staurastrum Arctiscon 144 



