Plate 139. 

 1-3. Clypeaster pallidus H. L. Clark. 



1. Abactinal view of partly deiiiiclL'd specimen (holotype) from Barbados, 94 fins. 



2. .-Vctinal view of same. 



3. Right-side view of same. 



4. Clypeaster virescens Dod. 



4. Right-side view of partly denuded specimen from Japan, St. 5071. 



All figures, natural size. 



