REPORT 



ON THE 



T 



SCIENTIFIC RESULTS 



OF THE 



VOYAGE OF H.M.S. CHALLENGER 



DURING THE YEARS 1 873-7 6 





UNDER THE COMMAND OF 



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



AND THE LATE 



Captain FRANK TOURLE THOMSON, R.N. 







Xf^r" 



PREPARED UNDER THE SUPERINTENDENCE OF 



THE LATE 



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



REr.IUS PROFESSOR OF NATURAL HISTORY IN THE UNIVERSITY OK BDINBl'ROH 

 niRP.CTOR OF THE CIVILIAN SCIENTIFIC STAFF ON BOARD 



AND NOW OF 



JOHN MURRAY 



ONE OF THE NATURALISTS OF THE EXPEDITION 



Zoology — Vol. XXI I. 



BIOLOGICAL 

 LAS.ORATOF^Y 



L'.:k;ry 



VvCod:: cole, mass. 



VV. H. I. 



IPiiblisijen bi' <9iliri- of l^er iBajestp's; ©abeinmnit 



PRINTED FOR HER MAJESTY'S STATIONERY OFFICE 

 AND SOLD nv 



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



EDINBURGH :— ADAM & CHARLES BLACK 



DUBLIN —HODGES, FIGGIS, & CO. 



1887 



Price Fifty Shillings. 



