JOURN. R. MICR. SOC. I9I7, PI. VIII. 



f\ OS ail lie jriosa/ih^ ^'Oi-A. 



1-10 



■ ¥ 



,IJ^ i/-t«V "tl'l. 



Plate VIII 



Reduced (i) facsimile of the Planche inedlte of 

 Rosalina (Discorbina) globularis. 



