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



Plate 43. 



Fig. 1. SPIROLOCULINA ARENARIA Brady. See page 237. 



Fig. 2. MILIOLINA SEMINULUM Linn/eus. See page 297. 



Fig. 3. MILIOLINA OBLONGA Montagu. See page 297. 



FIG. 4. MILIOLINA CUVIERANA D'ORBIGNY. See Page 298. 



FIG. 5. MILIOLINA GRACILIS D'ORBIGNY. See Page 297. 



FIG. 6. MILIOLINA AUBERIANA D'ORBIGNY. See Page 298. 

 a. Transverse Section. 



