Plate 153. 

 1, 2. Echinolampas ovata (Leske). 



1. Right-side view of a specimen from Ceylon. 



2. Abactinal view of same. 



3, 4. Echinolampas alexandri de Lor. 



3. Right-side view of a specimen from Ceylon. 



4. Abactinal view of same. 



5-7. Echinolampas sternopetala A. Ag. & CI. 



5. Abactinal view of holotype (St. 4934). 



6. Right-side view of same. 



7. Actinal view of same. 



8. Echinolampas depressa Gray. 



8. Abactinal view of a specimen from Grenada, B. W. I. 



9, 10. Echinolampas richardi Desmoid. 



9. Abactinal view of bare test from Cape Palmas, Liberia. 

 10. Right-side view of same. 



All figures, natural size. 



