The Echinoderma of the Indian Museum. 



Part I. — The Deep-Sea Ophiuroidea collected by the R.I.M.S. "Investigator." 

 By R. KcEHLER. Rs. lo. 



Part II.— The Shallow- Water Ophiuroidea collected by the R.I.M.S. " Investigator." 

 By R. KcEHi^ER. Rs. 4. 



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

 By R. KcEHLER and C. Vaney. ■ Rs. 16. 



Part IV.— The Littoral Holothuroidea collected by the R.I.M.S. " Investigator." 

 By R. KcEHLER and C. Vaney. Rs. 2. 



Part V. — The Deep-Sea Asteroidea collected by the R.I.M.S. " Investigator." By 

 R. KcEHLER. Rs. 12. 



Part VI.— The Shallow-Water Asteroidea collected by the R.I.M.S. "Investigator." 

 By R. KoEHLER. Rs. 20. 



