Plate 24 



Page 

 Figs. 1-6. Ceriopora dimorphocella, new species 29 



1, 2. Two fragments of the ramose zoarium, natural size. 

 3, 4. Portion of zoarial surface, Xr2 and X25, showing 



the small oral tongues. 

 5, 6. Surface of a colony, X 12 and X25, less well preserved 

 and with oral tongues very rare. 

 Lower Cretaceous (Aptian) : Faringdon, England. 

 Figs. 7-10. Ceriopora spow^ioides, new species 28 



7. Four zoaria, natural size. 



8. Zoarial surface, with traces of ovicell, X 12. 

 9, 10. Zoarial surface, X12 and X25. 



Lower Cretaceous (Valangian) : Sainte-Croix, Switzer- 

 land. 



Figs. 11-17. Reptomulticava fungiformis Gregory, 1909 29 



11. Three zoarial forms, natural size. 

 12, 13. Lateral view, X3, and basal view, X6, of a mas- 

 sive specimen with several superposed lamellae. 

 14, 15. Globular specimen, X6 and surface of same, X25. 

 16, 17. Zoarial surface, showing several superposed lamel- 

 lae, X12 and 2.5. 

 Lower Cretaceous (Aptian): Faringdon, England. 



Figs. 18-20. Reptonudticava bcllnla De Loriol, 1869 30 



18. Zoarium, X2. 

 19, 20. Surface, X12 and X25. 



Lower Cretaceous (Valangian) : Sainte-Croix, Swit- 

 zerland, 



117 



