PLATE VI. 

 CRINOIDEA. 



Figure 1. ANTEDON ESCHRICHTII (Miiller), Verrill. Natural size. 



2. Diagrammatic sketch of the radial plates. 



3. Extremity of one of the dorsal cirri, magnified. 



4. A first pinnule, magnified. 



5. ANTEDON CELTICA (Barrett), Normau. Natural size. 



6. Diagrammatic sketch of the radial plates. 



7. ANTEDON PROLIXA, Sladen. Natural size. 



8. Diagrammatic sketch of the radial plates. 



9. Extremity of one of the dorsal cirri, magnified. 



10. Joints with pinnules attached, from near the middle of a ray, magnified. 





