REPORT 
ON THE 
SCIENTIFIC RESULTS 
OF THE 
VOYAGE OF H.M.S. CHALLENGER 
DURING THE YEARS i 8 7 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. 
REC.UTS FROKESSOR 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 EXPEDITION 
Zoology— VoL. XXIX. 
PLATES 
jPublisiietJ bp of ^obeniment 
PRINTED FOR HER MAJESTY’S STATIONERY OFFICE 
AND SOLD BY 
LONDON EYRE & SPOTTISWOODE, EAST HARDING STREET, FETTER LANE 
EDINBURGH ADAM & CHARLES BLACK 
DUBLIN HODGES, FIGGIS, & CO. 
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