^.sH^^c REPORT 



-r ^VZ- ON THE 



SCIENTIFIC RESULTS 



VOYAGE OF H.M.S. CHALLENGER 



DURING THE YEARS i87 3-7 6 



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 



ONE OF THE NATURALISTS OF THE EXPEDITION 



Zoology— Vol. XIX. 



PuIjlt'sljeD b)) (DiDer of I^er jHajestp's (Sobeinment 



PRINTED FOR HER MAJESTY'S STATIONERY OFFICE 



anhsold nv 



LONDON :— EYRE & SPOTTISWOODE, EAST HARDING STREET, FETTER LANE 



EDINBURGH :— ADAM & CHARLES BLACK 



DUBLIN :— HODGES, FIGGIS, & CO. 



1887 



Price Twenty-five Shillings. 



