Plate 146. 

 1, 2. Cystocrepis setigera (A. Ag.). 



1. Valve of tridentate pedicellaria. X 95. 



2. Valve of triphyllous pedicellaria. X 95. 



3-6. Plexechinus cinctus A. Ag. 



3. Valve of ophicephalous pedicellaria. X 95. 



4. Side view of valve of rostrate pedicellaria. X 95. 



5. Valve of rostrate pedicellaria. X 95. 



6. Valve of tridentate pedicellaria. X 95. 



7-12. Phryssocystis multispina A. Ag. & CI. 



7. Head of ophicephalous pedicellaria. X 95. 



8. Valve of ophicephalous pedicellaria. X 95. 



9. Valve of triphyllous (small tridentate?) pedicellaria. X 95. 



10. Top of stalk of ophicephalous pedicellaria. X 95. 



11. Valve of stout tridentate pedicellaria. X 95. 



12. Valve of slender tridentate pedicellaria. X 95. 



13-19. Palaeopneustes cristatus A. Ag. 



13. Side view of valve of rostrate pedicellaria. X 95. 



14. Valve of rostrate pedicellaria. X 95. 



15. Valve of big tridentate pedicellaria. X 40. 



16. Valve of triphyllous pedicellaria. X 95. 



17. Valve of ordinary tridentate pedicellaria. X 95. 



18. Valve of slender tridentate pedicellaria. X 95. 



19. Valve of ophicephalous pedicellaria. X 95. 



20-26. Archaeopneustes hystrix (A. Ag.). 



20. Calcareous spicule from tube-foot. X 95. 



21. Valve of triphyllous pedicellaria. X 95. 



22. Head of stout tridentate (rostrate?) pedicellaria. X 40. 



23. Triphyllous pedicellaria. X 40. 



24. Head of slender tridentate pedicellaria. X 40. 



25. Tip of valve of slender tridentate pedicellaria. X 40. 



26. Tip of valve of stout tridentate (rostrate?) pedicellaria. X 40. 



27-34. Palaeotropus josephinae Loven. (From West Indies). 



27. Valve of ophicephalous pedicellaria. X 95. 



28. Valve of triphyllous pedicellaria. X 95. 



29. Valve of globiferous pedicellaria. X 95. 



30. Side view of valve of globiferous pedicellaria. X 95. 



31. Calcareous spicules from tube-feet. X 95. 



32. Valve of rostrate pedicellaria. X 95. 



33. Side view of valve of rostrate pedicellaria. X 95. 



34. Valve of tridentate pedicellaria. X 95. 



