PLATE XV". 



Rhynchopygus pacificus, /. 1, 2. 



1. Partly denuded, seen from the abactinal side. 



2. Same, seen from the actinal side. 



Eupatagus Valenciennesii, /. 3, 4- 



3. Seen from the abactinal side. 



4. Seen from the actinal side. 



Echinolampas Hellei, /. 5, 6. 



5. From the abactinal pole. 



6. From the actinal side. 



Breynia Australasiae, /. 7-9. 



7. Seen from above. 



8. Seen in profile. 



9. Seen from the actinal side. 



(All Figs, ivataral size.) 



