+ 
THE 
DEPTHS OF THE SEA. 
AN ACCOUNT OF THE GENERAL RESULTS 
OF THE 
DREDGING CRUISES OF H.MSS. ‘PORCUPINE’ AND ‘LIGHTNING 
DURING THE SUMMERS OF 1868, 1869, AND 1870, 
UNDER THE SCIENTIFIC DIRECTION OF 
Dh. CARPENTER, F.R.S., J. GWYN JEFFREYS, F.R.S., 
AND DR. WYVILLE THOMSON, F.R.S. 
C. WYVILLE THOMSON, 
LL.D., D.Sc., F.R.SS. L. &E., F.LS., F.G.S., Erc. 
Regius Professor of Natural History in the University of Edinburgh, 
And Director of the Civilian Scientific Staf of the ‘Challenger’ Exploring Expedition. 
WITH NUMEROUS ILLUSTRATIONS AND MAPS. 
SECOND EDITION. 
Tondo: 
MACMILLAN AND CO. 
1874. 
[ The Right oF Translation and Reproduction is reserved. | 
