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



Plate 80. 





FlG. 1. NONIONINA SCAPHA FlCHTEL & MOLL. See Page 337. 



Fig. 2. POLYSTOMELLA STRIATOPUNCTATA Fichtel & Moll. See Page 337. 



FlG. 3. POLYSTOMELLA CRISPA LlNN/EUS. See Page 338. 

 FlG. 4. AMPHISTEGINA LESSONII D'ORBIGNY. See Page 338. 

 a. Horizontal Section. fi. Perpendicular Section. 



