Report of 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 31 9. 



.;. Section. 



Fig. 4. POLYMORPHINA ELEGANTISSIMA Parker & Jones. See page 319. 



Fig. 5. POLYMORPHINA OBLONGA d'Orbigny. See page 31 9. 



Fig. 6. POLYMORPHINA COMMUNIS D'Orbigny. See Page 31 9. 



