312 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Plate 80 



Pedicellariae, spines, and spicules 



Fia. 1. Short-stalked form of small globiferous pedicellaria of Stylocidaris 

 effluens, new species. X70. 

 2-3. Valves of same form. X 100. 



4. Valve of large globiferous pedicellaria of Stylocidaris effluens, new 



species. X 100. 



5. Tridentate pedicellaria of Stylocidaris effluens, new species. X50. 



6. Valve of usual form of small globiferous pedicellaria of Stylocidaris 



effluens, new species. X70. 



7. Scrobicular spine of Stylocidaris annulosa, new species. X12. 



8. Valve of small globiferous pedicellaria of Stylocidaris annulosa, new spe- 



cies. X70. 



9. Valve of large globiferous pedicellaria of Stylocidaris annulosa, new 



species. X70. 

 10. Valve of tridentate pedicellaria of Stylocidaris annulosa, new species. 

 X50. 

 1 la-b. Spicules from intestinal wall of Stylocidaris annulosa, new species. X 70. 



o 



