REPORT ON THE ECHINOIDEA. 315 



¥i(y. IS. Aspidodiadema microtttherculatum, valve seen from the interior of globular- 

 lieaded, short-stemmed abactinal pcdicellarias. 



19. Phormosoma tome, valve of long-headed pedicellaria, seen from the interior. 



20. „ ,, valve of smaller pedicellaria of same kind as fig. 19, seen 

 from exterior. 



„ 21. Phormosoma tenue, small, bottle-shaped, didactyle pedicellaria. 

 ^^22. ,, ,, single valve of same as fig. 21, seen from interior. 



23. „ „ valve of still smaller pedicellaria than fig. 20, and of same 

 kind, seen from interior. 



24. Phormosoma tenue, upper extremity of rod supporting the long-headed pedi- 



cellarise. 



25. Phormosoma luculentum, interior view of single valve of globular-headed short- 



stemmed pedicellaria. 

 ,, 26. Exterior view of the valve of fig. 25. 



27. Phormosoma luculentum, profile of single valve of small short-headed, short- 



stemmed pedicellaria. 



28. Phormosoma hoplacantha, upper extremity of rod supporting long-headed 



pedicellarise. 



29. Phormosoma hoplacantha, single valve seen from exterior of one of the cupped 



pedicellariae. 

 29'. Phormosoma hop>lacantha, interior view of same pedicellaria showing the trough 

 extending to the base of the pedicellarise from the edges of the lip of the cup 

 of the extremity of the valve. 



30. Phormosomxi hoplacantha, interior view of base of one of the same pedicellarise. 

 3X. ,, ,, upper extremity of rod supporting the above pedicel- 

 laria of fig. 29. 



„ 32. Asthenosoma gruhii, upper extremity of rod of large-headed pedicellaria. 



33. „ „ magnified view of one of the sheathed spines denuded. 



34. ,, „ interior view of valve of short-headed, globular abactinal 

 pedicellaria. 



,, 35. Asthenosoma gruhii, upper end of rod supporting long-headed, long-stemmed 

 pedicellarise. 



36. Asthenosoma gruhii, interior view of valve of large-headed pedicellaria. 



37. Micropyga tuhercxdata, profile view of large-headed pedicellaria. 



38. Pseudoholetia Indiana, interior view of large short-stemmed single-hooked 



pedicellaria. 

 „ 39. Pseudoholetia Indiana, interior view of large-headed, short-stemmed pedicellaria. 



40. ,, „ extremity of rod supporting large-headed pedicellaria. 



41. Echinolamixis oviformis, single valve of Clypeastroid-like pedicellaria. 



