Plate 11 



Page 

 Figs. 1-5. Di pJncava inordinata, new species 73 



1. Zoarial fragments, natural size and base of a young 



zoarium, X3. 



2. Fragment with small tuljes, X12. 



3. Portion of zoarium with large tubes, X12. 



4. Fragment with both large and small tubes, X12. 



5. Example containing tubes with their facettes, X12. 

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

 land. 



Figs. "6-S. Di plncava orbiculifera, new species 73 



6. The ramose zoarium, natural size. 



7, 8. Zoarial surface X12 and X25, sliowing the orbicular 

 arrangement of the groups of large tul)es. 

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

 land. 



Figs. 9, 11 . Diplncarn glob ulosa, new species 74 



9. The small massive zoarium, natural size. 

 11, 10. Portion of the zoarial surface, X12 and X25, showing 

 the two kinds of tubes. 

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

 land. 



Figs. 12,13. Mcliceritites semiclausa Gregory, 1899 66 



12, 13. A typical specimen, natural size and X12, 

 showing the transverse ovicell and the eleo- 

 cellarium which is oval and longer than a 

 facette. 

 Lower Cretaceous (Aptian) : Faringdon, Eng- 

 land. 



Fig. 14. Spirndautia neoco)nicuf<is Dc horiol, 1863 75 



Specimen X12, attributed doubtfully to this species but 



which is in reality a Diplocava. 

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

 104 



