THE 



GEOLOGICAL MiyiziNE: 



/T 



WITH WHICH IS INCORPORATED 



"THE G5-EOLOG-IST." 



NOS. CXCIX. TO CCX. 



EDITED BY 



HE^TRY WOODWARD, LL.D., P.R.S., P.G.S., F.Z.S., F.R.M.S., 



OF THE BE.ITISH MUSEUM OF NATURAL HISTORY; 



MEMBER OF THE LTCEUM OP NiTDRAL HISTOET, NEW TOEK; AND OP THE AMEBICATT PHILOSOPHICAIi 

 SOCIETT, PHILADELPHIA; HONOEAKT MEMBER OP THE TOEKSHIEE PHILOSOPHICAL 

 SOCIETY; OP THE GEOLOGISTS' ASSOCIATION, LONDON; OP THE GEOLOGICAL 

 SOCIETIES OF EDINBITEGH, GLASGOW, AND NORWICH ; CORRESPOND- 

 ING MEMBER OP THE GEOLOGICAL SOCIETY OF BELGIUM; OF 

 THE IMPERIAL SOCIETY OP NATURAL HISTORY OP 

 MOSCOW; OF THE NATURAL HISTORY SOCIETY 

 OF MONTREAL ; AND OF THE MALACO- 

 LOGICAL SOCIETY OF 

 BELGIUM. 



ASSISTED BY 



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



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



PEESIDBNT OF THE GEOLOGICAL SOCIETY OF LONDON ; 

 OP THE BRITISH MUSEUM OF NATURAL HISTORY. 



ISTEW SERIES. DECIDE IT. "VOL. A^III. 



JANUARY— DECEMBER, 1881. 



LONDON: 



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

 F. SAVY, 77, BOULEVART ST.-GERMAIN, PARIS, 

 •^ 1881. 



