THE 



GEOLOGICAL MAGAZINE: 



(Pmttftlg Jflttpat of (toto^ 



WITH WHICH IS INCORPORATED 



THE GEOLOGIST." 



NOS. CLXXV. TO CLXXXVI. 



EDITED BY 



HENRY WOODWARD, LL.D., F.R.S., F.G.S., F.Z.S., 



VICE-PRESIDENT OF THE GEOLOGISTS' ASSOCIATION; 



MEMBER OP THE AMERICAN PHILOSOPHICAL SOCIETY, PHILADELPHIA ; 



HONORARY MEMBER OP THE YORKSHIRE PHILOSOPHICAL SOCIETY; OP THE GEOLOGICAL SOCIETIES 



OP EDINBURGH, GLASGOW, AND NORWICH; CORRESPONDING MEMBER OP THE GEOLOGICAL 



SOCIETY OP BELGIUM; OP THE NATURAL HISTORY SOCIETY OP MONTREAL; AND 



OP THE LYCEUM OP NATURAL HISTORY, NEW YORK. 



ASSISTED BY 



PROFESSOR JOHN MORRIS, M.A., F.G.S., &c, &c, 



AND 



ROBERT ETHERIDGE, F.R.S. L. & E., F.G.S., &c. 



NEW SERIES. DECADE II. VOL. "VI. 

 JANUARY— DECEMBER, 1879. 



LONDON: 



TRUBNER & Co., 57 and 59, LUDGATE HILL. 

 F. SAVT, 77, BOTJLEVART ST.-GERMAIN, PARIS. 

 a 1879. 



