Echinodenna Mus. Ind 



Iiiveatigator Optuuroidea Plate IX. 





.sêiHa 



„ffat^?,5^*<> 



7Q 



69, 70, OpHcLcantlia duplex KoeMer. 71, OpluacantliagratiosaKoeliler. 

 72. 73, Opliiacantlia composita KoeKLer. 74. Ophiochiton modestus Koehler. 



R. Koekler del. 



Photo - etching Survey of Inclia Ofiioea, Calcutta, November. 1898, 



