'The Ocean" Plate \1I 



SILICEOUS ORGANISMS 



/. Omphalopelta pnrda 



2. Asteromphaliis challengerensis 



3. Eiicampia balaustium 



4. Glyphodesinis challengerensis 



5. Staurorteis pacifica 



6. Stephanopyxis kittoniana 



7. Triceratium sarcophagus 



8. ., puluillus 



9. Challengeron triangulum 



10. Cinclopyramis infundibulum 



11. Tuscarora tetrahedra 



12. Sethoconus uenosus 



13. Euscenium tripospyris 



14. Dictyophimus tiiserratus 



15. Hexinastrum geryonidum 



16. Quadrilonche crux 



17. Stephanastrtim quadratum 



B artli okvmew. E din* 



