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



PLATE 80. 



FIG. 1. NONIONINA SCAPHA FICHTEL & MOLL. SEE PAGE 337. 



FIG. 2. POLYSTOMELLA STRIATOPUNCTATA FICHTEL & MOLL. SEE PAGE 337. 



FIG. 3. POLYSTOMELLA CRISPA LINN/EUS. SEE PAGE 338. 



FIG. 4. AMPHISTEGINA LESSONII D'ORBIGNY. SEE PAGE 338. 

 a. Horizontal Section. l>. Perpendicular Section. 



