March, 1902.] Proposed Algological Survey of Ohio. 
22 1 
Sketches Illustrating Common Genera of Ohio Algl. 
Dp (ZojyZOs 
Utol/rti-x 
-H <>'••" *SC.t<K, - 
’.ijtjwema- 
Qe.dof<m i tetri 
’Dcpfrne./ncL' 
