Echmoderma Mus, Iiid.. 



i-HLur OphiuroidesL, Plate HI. 



18, 19. 20, Ophiacantha vesdta Koehler. 21, Opliiomusium scalai-e Koehler. 

 22, 23, 24, Ophiomusium elegans Koehler. 25, 26, Opluopeza custos Koehler. 



Photo- etehmg, Siuvejrof India OiSces, Calcutta, August. 



