Report of U. S, National Museum, 1897.— Flint. 



Plate 59. 



Fig. 1. FRONDICULARIA ALATA D'ORBIGNY. See Page 313. 

 Fig. 2. FRONDICULARIA IN/£QUALIS Costa. See page sis. 

 Fig. 3. MARGINULINA ENSIS Reuss. See Pa&e 314. 



