Echinodenna. Mus. hià. 



Investi^ator Ophixiroidea. Plaie 1. 



T'^. 



R. Koehlei-. ad. 



1, 2. 3, Ophiolypa, simplex Koehler. 4. 5, 6, Ophiojjyrgus Alcocla Koehler. 

 7, 8, 9. Ophiomastas tumidus Koehler. 



Photo-etohm|, Surrey of India Offices, CalcuOa, Au|u8t,1898. 



