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



PLATE 27. 



FIG. 1. TROCHAMMINA RINGENS BRADY. SEE PAGE 281. 



FIG. 2. TROCHAMMINA PAUCILOCULATA BRADY. SEE PAGE 282. 



FIG. 3. CYCLAMMINA CANCELLATA BRADY. SEE PAGE 282. 



a. Section. 



