PLATE 2. 
1-7. Echinonéus cyclostomus Leske. 
1.— Actinal side of alcoholic specimen, measuring 30 mm. long. Barbados (?). 
2.— The same from the abactinal side. 
3.— The same in profile, facing the left anterior and the left posterior interrad. 
4.— Abactinal side of alcoholic specimen, measuring 10 mm. long. Makemo Island, Paumotu Islands. 
5.— The same from the actinal side. 
6.— The same in profile facing the left anterior and the left posterior interrad. 
7.— Actinal side of alcoholic specimen, measuring 6 mm. long. Makemo Island. 
