The Echinoderma of the Indian Muséum. 



Part I. — The Deep-Sea Ophiuroidea oollected by the RJ.MS. ** Investigator." 



ByR. KoEHi^ER. Rs. IQ, , „ , , . , ^ 



/ r l ■ 5 r r :.-f :.l 1 l/ l 

 Part II.— The ShalloW-Watèr Ophiuroidea collôc4d 4yr tkelR.I.M.S. "Investiga- 



tor." By R. KoEHi^ERi Rs. 4. (Illustrations.) 



Part III. — The Deep-Sea Holothurioidea eoUected by the R.I.M.S. Investigator." 

 By R. and, G. Vaney. Rs. 16. 



Part IV.— The Uttoral Holôthurioidea collected by the &.I.M.S, Investigator." 

 By R. KoEHi,ER and C. Vajstey. Rs. 2^ 



