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



Plate 59. 



Fig. 1. FRONDICULARIA ALATA d'Orb;gny. See Page 313. 

 Fig. 2. FROMDICULARIA IN^EQUALIS Costa. See page 31 3. 

 Fig. 3. MARGINULINA ENSIS Reuss. See page 314. 



