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



Plate 38. 



Fig. 1. BOLIVINA PUNCTATA d-Orbigny. See page 292. 



Fig. 2. BOLIVINA PORRECTA Brady. See Page 292. 



Fig. 3. CASSIDULINA CRASSA d'Orbigny. See page 292. 



Fig. 4. CASSIDULINA SUBGLOBOSA Brady. See Page 293. 



Fig. 5. BILOCULINA BULLOIDES D'Orbigny. See Page 293. 



a. Transverse Section. 



