The Echinoderma of the Indian Museum. 
ParT 1. — The Deep-Sea Ophiuroidea collected by the R.I.M.S. ‘‘Investigator.” 
By R. Koenier. Rs. 10. 
ParT J]]. — The Shallow-Water Ophiuroidea collected by the R.I1.M.S. ‘‘ Investi- 
gator.” By R. Kozner. Rs. 4. (llustrations.) 
ParT ]11. — The Deep-Sea Holothurioidea collected by the R.1.M.S. ‘‘Investi- 
gator.” By R. Koznier and C. Vaney. Rs. 16. 
ParT 1V.— The Littoral Holothurioidea collected by the R.1.M.S. ‘‘ Investigator.” 
By R. Kornzer and C. Van. Rs. 2. 
ParTr V.—The Deep-Sea Asteroidea collected by the R.I1.M.S. ‘‘Investigator.” 
By R. Kornier. Rs. 12. 
Part VI.— The Shallow-Water Asteroidea collected by the R.I.M.S. ‘‘ Investi- 
gator.” By R. Korner. Rs. 20. 
ParT VI]. — The Crinoids of the Indian Ocean. By A. H. CLark. Rs. 20. 
