3^7 REPORT 



'^^' SCIENTIFIC RESULTS 



/Ail/B 



OF THF. 



VOYAGE OF H.M.S. CHALLENGER 



DURING THE YEARS i 8 7 3-7 6 



UNDER THE COMMAND OF 



I 



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



AND THE LATK 



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 EDINBURRH 

 DIRECTOR OF THE CIVILIAN SCIENTIFIC STAFF ON BOARD 



.\ND NOW OF 



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



ONE OF THE NATURALISTS OF THE EXPEDITION 



Zoology— Vol. XXXI. ^ "'^^^ 







IpubltsijcO bp ©rDcr of iper itlajfstp's (Soiiernmcnt 



printed for her M.\JEST\"S ST.ATIONERY OFFICt 



.AND SOLD BY ^ yQ/\X\l-^ 



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



EDINBURGH ;— AUAM & CHARLES BLACK 



DUBLIN :— HODGES, FIGGIS, & CO. 



18S9 

 Prtw Forty Shilluigs. 



