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



Plate 47. 



Fig. 1. ARTICULINA SAGRA d'Orbigny. See page 3oi. 



Fig. 2. MILIOLINA AGGLUTINANS D'Orbigny. See page 301. 



Fig. 3. OPHTHALMIDIUM INCONSTANS Brady. See Page 3C2. 



Fig. 4. VERTEBRALINA INSIGNIS Brady. See page 302. 



Fig. 5. PLANISPIRINA CELATA Costa. Sfe page 303. 



a. Transverse Section, 



Fig. 6. PLANISPIRINA SiGMOIDEA Brady. See page 302. 



ij. Transverse Section, 



