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



PLATE 31. 



FIG. 1. VERNEUILINA PYGM/EA EGGER. SEE PAGE 285. 

 FIG. 2. VERNEUILINA PROPINQUA BRADY. SEE PAGE 285. 

 FIG. 3. VALVULINA CONICA PARKER & JONES. SEE PAGE 286. 



FlG. 4. BIGENERINA NODOSARIA D'ORBIGNY. SEE PAGE 286. 

 a. Longitudinal Section. 



