G.C 



H^" THALASSA 



«-.^ .„„AN ESSAY 



Division of Mondutt 



Sectional Librcny 



ON THE 



|!c|ttli, (ii^m^cnituq, iiml (j[\m\\it% af M ®^^"t 



BY 



JOHN JAMES WILD 



Member of the Civilian Scientific Staff of H.M.S. "Challenger' 



Wiit]) Cljarts anli ©fagrams 6g tfje ^utljar 



ILonlion 



MARCUS WARD & CO., 67 & 68, CHANDOS STREET, STRAND 



And royal ULSTER WORKS. BELFAST 

 1877 



