D IVISIO N MARINB 

 INVBBTEBRATEB 



CARDEDNOV -1981 



/ 



AN ACCOUNT OF THE 



ALCYONARIANS 



COLLECTED BY THE 



ROYAL INDIAN MARINE SURVEY SHIP 



INVESTIGATOR 



IN THE 



INDIAN OCEAN 



BY 



J. ARTHUR THOMSON, MA 



REGIUS PROFESSOR OF NATURAL HISTORY IN THE UNIVERSITY OF ABERDEEN 



AND 



W. D. HENDERSON, M.A., B.SC. 



CARNEGIE FELLOW, UNIVERSITY OF ABERDEEN 



I. THE ALCYOIS'ARIANS OF THE DEEP SEA 



i 



7 



^BCXQDEi iiBOEHiCa )cj>i:[.i>cj - 



CALCUTTA: 



PRINTED BY ORDER OF THE TRUSTEES OF 



THE INDIAN MUSEUM 



1906 



