Plate 136. 

 1. Clypeaster europacificus H. L. Clark. 



1. Abactinal view of partly denuded young specimen from Gulf of Panama, St. 2795. 



2-4. Clypeaster japonicus Dod. 



2. Right-side view of bare test of long specimen from Tokyo, Japan. 



3. Abactinal view of same. 



4. Actinal view of same. 



5. Clypeaster speciosus Verrill. 



5. Right-side view of bare test; same specimen as that shown in fig. 1, Plate 135. 



All figures, natural size. 



