PLATE 70. 



ANTHOCYRTIDA, PODOCYRTIDA, PHORMOCYRTIDA et THEOCYRTIDA. 



Diam. Page 



Fig. 1. Theophormis callipilium, n. sp., . . . x 300 1367 



Fig. 2. Ttieopliormis callipilium, n. sp., . . . . x 300 1367 



The four cruciate rods of the cortinar septum and the vertical columella in 

 its centre. 



Fig. 3. Theophormis callipilium, n. sp., . . . . x 400 1367 



The cephalis alone with the enclosed quadrilobate central capsule, which 

 is surrounded by numerous xanthellw. 



Fig. 4. Sethophormis umbrella, n. sp., . . . x 150 1248 



Fig. 5. Sethophormis umbrella, n. sp., . . . . x 400 1248 



Cephalis with the cruciform cortinar septum. 



Fig. . 6. Theopilium tricostatum, n. sp., . . . x 400 1322 



Seen from above. 



Fig. 7. Phrenocodon clathrostomium, n. sp., . . x 250 1434 



Vertical section through the shell. 



Fig. 8. Phrenocodon clathrostomium, n. sp., . . . x 500 1 434 



Shell seen half from below, and exhibiting the fenestrated septum between 

 thorax and abdomen. 



Fig. 9. Pteropilium stratiotes, n. sp., . x 400 1326 



Fig. 10. Pteropilium stratiotes, n. up., . x 400 1326 



The three rods of the cortinar septum and the three arches connecting 

 them with the central axial columella. 



Fig. 11. Pterocodon ornatus, n. sp., . . x 300 1333 



Fig. 12. Tlieophcena corona, n. sp., . . . . x 300 1394 



