''^^" ^ WH 



THE 



Gj^OLOGICAL MAGAZINE: 



OR, 



WITH WHICH IS INCORPORATED 



THE G-E OLOG-IST." 



NOS. CCCXCI TO CCCCII. 



EDITED BY 



HENRY WOODWARD, LL.D., P.R.S., V.P.G.S., P.Z.S., F.R.M.S., 



OF THE BRITISH MUSEUM OF NATURAL HISTORY; 



PRESIDENT OF THE PALjEONTOGRAFHICAL SOCIETY, 



AND VICE-PRESIDENT OF THE MALACOLOGICAL SOCIETY ; 



MEMBER OF THE LYCEUM OP NATURAL HISTORY, NEW YORK ; AND OF THE AMERICAN PHILOSOPHICAL 

 SOCIETY, PHILADELPHIA ; HONORARY MEMBER OP THE YORKSHIRE PHILOSOPHICAL SOCIETY 

 OP THE GEOLOGISTS' ASSOCIATION, LONDON; OP TEE INSTITUTION OP MINING AND 

 METALLURGY, LONDON; OP THE GEOLOGICAL SOCIETIES OP EDINBURGH, GLAS- 

 GOW, HALIFAX, LIVERPOOL, AND SOUTH AFRICA; CORRESPONDING MEMBER 

 OP THE GEOLOGICAL SOCIETY OF BELGIUM; OP THE IMPERIAL 

 SOCIETY OP NATURAL HISTORY OP MOSCOW; OP THE 

 NATURAL HISTORY SOCIETY OP MONTREAL 

 AND OF THE MALACOLOGICAL 

 SOCIETY OP BELGIUM. 



ASSISTED BY 



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



WILFRID H. HUDLESTON, M.A., E.R.S., V.P.G.S., E.L.S., F.C.S. 



GEORGE J. HINDE, Ph.D., F.R.S., F.G.S., &c. 



AND 



HORACE BOLINGBROKE WOODWARD, F.R.S., F.G.S., &c. 



NEW SERIES. 33ECuA.r>E TV. VOL. XV. 



JANUAEY— DECEMBEE, 1897. 



LOIf DON: 



MESSRS. DHLATJ & CO., 37, SOHQ 



F. SAVY, 77, BOULEVAET ST..GEEMAIif;^i!^ilIS. ''^/^ 



1897. 





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