REPORT 



ON THE 



SCIENTIFIC RESULTS 



OF THE 



VOYAGE OF H.M.S. CHALLENGER 



DURING THE YEARS 187376 



UNDER THE COMMAND OF 



Captain GEORGE S. NARES, R.N., F.R.S. 



AND THE LATE 



Captain FRANK TOURLE THOMSON, R.N. 



PREPARED UNDER THE SUPERINTENDENCE OF 



THE LATE 



Sir C. WYVILLE THOMSON, Knt., F.R.S., &c. 



REGIUS PROFESSOR OF NATURAL HISTORY IN THE UNIVERSITY OF EDINBURGH 

 DIRECTOR OF THE CIVILIAN SCIENTIFIC STAFF ON BOARD 



AND NOW OF 



JOHN MURRAY, LL.D., Ph.D., &c. 



ONE OF THE NATURALISTS OF THE E.XPEDITION 



Zoology— Vol. XXVI. 



PART LXXIII.-REPORT ON THE ACTINIARIA-SUPPLEMENT 

 By Professor RICHARD HERTWIG 



IpubUstjeO bp ©rDer of l^er iHajestp's (Sobcmmrnt 



PRINTED FOR IIER MAJESTY'S STATIONERY OFFICE 



AND SOLD IIY 



LONDON :-EYRF. & SPOTTISWOODE, EAST HARDING STREET, FETTER LANE 



EDINBURGH:— ADAM & CHARLES BLACK 



DUBLIN :— HODGES, FIGGIS, & CO. 



1888 



Price Four S/tillings 



