Plate 27 



Page 

 Figs. 1,2. Prohoscina radiolitorum D'Ovhigny, 1S51 7 



Zoarium, xr2, and a portion, X25. 



Lower Cretaceous (Aptian) : Faringdon, England. 



Fig. 3. Pruboscina crassa, wax. alectodes Gregory, 1899 6 



Zoarium, X12. 



Lower Cretaceous (Valangian) : Sainte-Croix, Switzerland. 



Fig. 4. Berenicea confluens Reuss, 1846 9 



The discoid, incrusting zoarium, X12. 



Lower Cretaceous (Valangian) : Sainte-Croix, Switzerland. 



Figs. 5, 6. Proboscina depressa D'Orbigny, 1853 8 



Zoarium, X12 and X25. 



Lower Cretaceous (Aptian) : Faringdon, England. 



Figs. 7,8. Proboscinaricordeauana D'Orbigny, 1853 7 



Zoarium, X12, and portion, X25. 



Lower Cretaceous (Aptian) : Faringdon, England. 



Figs. 9, 10. Prol)Oiicma virgula D'Orbigny, 1853 8 



Zoarium, X12 and X25. 



Lower Cretaceous (Aptian) : Faringdon, England. 



120 



