Fig. 



PLATE 13. 



Orosph^rida, Astrosph^erida et Liospbuerida. 



Orosphcera huxleyii, n. sp. (vel Oroscena huxleyii), 



Fig. la. A piece of the network, the bars of which contain partly an axial 

 canal, ...... 



Conosphcera orthoconus, n. sp., 



Conosphcera platyconus, n. sp., 



Conosphcera plagioconus, n. sp., 



Ethmosphcera conosiphonia, n. sp., 

 Fig. 5a, Vertical section through the wall. 



Ethmosphcera polysiphonia, n. sp., 



Cenosphcera compacta, n. sp., . 



Cenosphcera elysia, n. sp., 



Fig. 8a. Vertical section through the wall 



Cenosphcera mellifica, n. sp., . 



Cenosphcera favosa, n. sp., 



Fig. 10a. Vertical section through the wall. 



Fig. 11. Cenosphcera vesparia, n. sp., . 



Fig. 11a. Vertical section through the wall. 



Fig. 



2 



Fig. 



3 



Fig. 



4 



Fig. 



5 



Fig. 



6 



Fig. 



7 



Fig. 



8 



Fig. 



9 



Fig. 



10 



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