PLATE XVII. 



Figure 1 . Cyclolites VicaryIj Haime, natural size^ side view. 



2. Some septa^ magnified. 



3. Cyclolites crbntjlatAj Duncan^ side view, natural size, 



4. Some septa, magnified. 



5. Cyclolites RanikotIj Duncan, side view. 



6. Septa and synapticulse, magnified. 



7. Cyclolites striata, Duncan, natural size. 



8. Septa near the edge, magnified. 



9. Cyclolites Haimei, Duncan, natural size. 



10. Septa and synapticulee, magnified. 



11. Cyclolites superba, Duncan, side view. 



12. Septa, magnified. 



13. Cyclolites anomala, caUce, natural size. 



14. Septa forming near fossa, magnified. 



