Of the Order Ophiuridse. 153 



Tab. XIV. 



Fig. 1, Ophiopsila Aranea, of the natural size. 



2. Disc, seen from above. 



3. Lateral ray-plates and spines. 



4. Upper plates of ray. 



5. Under plates of ray. 



6. Genital plate and mouth-defence. 



7. A ray-spine. 



8. Amphiura florifera, of the natural size. 



9. Disc magnified. 



10. Under side of ray. 



11. Lateral ray-plates and spines. 



12. Genital plate. 



13. Disc-shields. 



14. Amphiura Chiajii, of the natural size. 



15. Disc, seen from above. 



16. Portion of disc and base of ray, seen from above. 

 1 7- Under ray-plates. 



18. Lateral ray-plates and spines. 



VOL. XIX. 



