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 EnlNBURfiH 

 DIRECTOR OF THE CIVILIAN SCIENTIFIC STAFF ON BOARD 



AND NOW OF 



JOHN MURRAY 



ONE OF THE NATURALISTS OF THE EXPEDITION 



Zoology— Vol. XXII. 



r 



Publtsl)eti bp <0iDer of l^er Jflajestp's (Sobernmeut 



PRINTED FOR HER MAJESTY'S STATIONERY OFFICE 



AND SOLD V.Y 



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



EDINBURGH ;— ADAM & CHARLES BLACK 



DUBLIN :— HODGES, FIGGIS, & CO. 



1887 -^2 



Price Fifty Shillings. ^ 



APR 2 2 ^987 



