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



Plate 47. 



Fig. 1. ARTICULINA SAGRA d'Orbigny. See page 301. 



Fig. 2. MILIOLINA AGGLUTINANS d'Orbigny. See Page 301. 



Fig. 3. OPHTHALMIDIUM INCONSTANS Brady. See Page 302. 



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



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



a. Transverse Section. 



Fig. 6. PLANISPIRINA SIGMOIDEA Brady. See Page 302. 



a. Transverse Section. 



