ieportof U. S. National Museum, 1897. Flint. 



PLATE 67 



FIG. 1. CRISTELLARIA LIMBATA NEW SPECIES. SEE PAGE 318. 



FIG. 2. POLYMORPHINA SORARIA REUSS. SEE PAGE 319. 



FIG. 3. POLYMORPHINA COMPRESSA D'ORBIGNY. SEE PAGE 319. 



a. Section. 



FIG. 4. POLYMORPHINA ELEGANTISSIMA PARKER & JONES. SEEPAGES^. 



FIG. 5. POLYMORPHINA OBLONGA D'ORBIGNY. SEE PAGE 319. 



FIG. 6. POLYMORPHINA COMMUNIS D'ORBIGNY. SEE PAGE 319. 



