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THE
DEPTHS OF THE SEA.
AN ACCOUNT OF THE GENERAL RESULTS
OF THE
DREDGING CRUISES OF H.M.SS. 'PORCUPINE' AND 'LIGHTNING'
DURING THE SUMMERS OF 1868, 1869, AND 1870,
UNDER THE SCIENTIFIC DIRECTION OF
DR. CARPENTER, F.R.S., J. GWYN JEFFREYS, F.R.S.,
AND DR. WYVILLE THOMSON, F.R.S.
BY
C. WYVILLE THOMSON,
LL.D., D.Sc., F.R.SS. L.&E., F.L.S., F.G.S., Etc.
Regius Professor of Natural History in the University of Edinburgh,
And Director of the Civilian Scientific Staff of the 'Challenger' Exploring Expedition.
WITH NUMEROUS ILLUSTRATIONS AND MAPS.
London:
MACMILLAN AND CO.
1873.
