Plate 3. 



1-14. Dorocidaris Keini Dud. 



1. Valve of globiferous pedioellaiiii. x 55. 



1'. Valve of small globiferous pedicellaria. x 55. 



3. Valve of another small globiferous jjedicellaria. x 55. 



4. Developmental stage of valve of tridentate pedicellaria. x 55. 



5. Later developmental stage of valve of tridentate pedicellaria. x 55. 



6. Valve of tridentate pedicellaria. x 55. 



7. Interior view of base of valve of tridentate pedicellaria. x 55. 



8. Upper end of stalk of globiferous pedicellaria. x 55. 



9. Ambital primary spine, x 3. 



10. End view of tip of same spine, x 3. 



11. Actinal primary spine, x 3. 



12. Primary si>ine nearest actinostorae. x 3. 



13. Secondary spines, x 11. 



14. Miliaries. x 11. 



1.5-28. Dorocidaris bracteata A. Ag. 



15. Valve of globiferous pedicellaria. x 55. 



IG. V.ilve of small globiferous pedicellaria. x 55. 



17. Valve of another sniiill globiferous pedicellaria. x 55. 



18. Valve of another small globiferous pedicellaria. x 55 



19. Developmental stage of valve of tridentate jjedicellaria. x 55. 



20. Later developmental stage of valve of tridentate pedicellaria. x 55. 



21. Valve of triilentate pedicel], iria. x 55. 



22. Interior view of base of valve of tridentate pedicellaria. x 55. 



23. Upper end of stalk of globiferous pedicellaria. x 55. 



24. Ambital jirimary spine, x ,'5. 



25. End view of tip of same spine, x 3. 



26. Actinal primary spines. x 11. 



27. Secondary spines, x 11. 



28. Miliaries. x 11. 



