30 

 PLATE 12. Polycystime. 



F!- i- Astromma. 



Fro. 2. 

 FIG. 3. 

 FIG. 4. 

 FIG. 5. 



Diatom ( ? ) Two of these forms found. 

 FIG. 7. Glassy tube-like, probably foramina. 



FIG. i. Polycystina of various forms. 



10. 2. 

 FIG. 3. 

 FIQ. 4. 

 Fin. 5. 

 FIG. 6. 

 FIG. 7. 

 Fio. 8. 

 FIG. 9. 



