PLATE 108. 



SAGOSPH^ERIDA. 



Diam. Page 



Fig. 1. Sagoscena castra, n. sp., . . x 50 1608 



Half the shell, with the enclosed central capsule and the phaeodium, 

 stained by carminp. (The central nucleus dark.) 



Fig. 2. Sagmarium spongodictyum, n. sp., . . x 50 1612 



Half the shell, with its delicate sppngy framework. 



Fig. 3. Sagenoscena stellata, n. sp., . . x 300 1610 



Top and axial rod of a pyramid, prolonged into a crowned radial spine. 



Fig. 4. Sagenoscena ornata, n. sp., . . . . . x 300 1610 



A single pyramid with its axial rod, prolonged into a crowned radial 

 spine. 



Fig. 5. Sagoscena pellorium, n. sp., . . . x 300 1609 



A single pyramid of the shell-surface. 



Fig. 6. Sagoscena tentorium, n. sp., . . . . x 100 1608 



A piece of the shell with eight pyramids. 



Fig. 7. Sagoscena prcetorium, n. sp., . . . x 400 1609 



Top of a pyramid. 



Fig. 8. Sagena ternaria, n. sp., . . . . x 400 1606 



A single triangular mesh of the lattice sphere. 



Fig. 9. Sagmidium crucicorne, n. sp., . . . x 400 1613 



A single nodal point with three radial spines. 

 Fig. 9o. A portion of a spine, more highly magnified. 



Fig. 10. Sagosphcera penicilla, n. sp., . . . x 400 1607 



One nodal point and ite radial spine. 



Fig. 11. Sagosph&rafurcilla,n.wp., . . . . x 300 1607 



Two nodal points of the network. 

 Fig. 1 la. Extremity of a spine. 



Fig. 12. Sagmidium q-uadricorne, n. sp., . . . x 400 1614 



A nodal point of the shell surface, with four divergent spines. 



Fig. 13. Sagoplegma scenophora, n. sp., . . ^ x 300 1615 



Tops of two pyramids. 



Fig. 14. Sagmarium plegmosphcerium, n. sp., . . x 300 1612 



A nodal point of the spongy framework. 



