THE 



GEOLOGICAL MAGAZINE 



OR, 



SlontIiI]| Joui[nal of dl^olo^gir : 



WITH WHICH IS INCORPORATKD 



"TELE G^EOLO&IST." 



NOS. CCCCXV TO CCCCXXVI. 



EDITED BY 



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



OF THE BRITISH MUSEUM OF NATURAL HISTORY; 



PRESIDENT OF THE PAL^ONTOGRAPHICAL SOCIETY, 



AND VICE-PRESIDENT OF THE MALACOLOGICAL SOCIETY ; 



MBMBEE OF THE LYCEUII OF NATUEAI, HISTORY, NEW YORK ; AND OF THE AMERICAN PHILOSOPHICAL 



SOCIETY, PHILADELPHIA ; HONORARY MEMBER OF THE YORKSHIRE PHILOSOPHICAL SOCIETY; 



OF THE GEOLOGISTS' ASSOCIATION, LONDON; OF THE INSIITITTION OF MINING AND 



METALLURGY, LONDON; OF THE GEOLOGICAL SOCIETIES OF EDINBDRGH, 



GLASGOW, HALIFAX, LIVERPOOL, AND SOUTH AFRICA; CORRESPONDING 



MEMBER OP THE GEOLOGICAL SOCIETY OF BELGIUM; OF THE 



IMPERIAL SOCIETY OP NATURAL HISTORY OF MOSCOW; OF 



THE NATURAL HISTORY SOCIETY OF MONTREAL; 



AND OF THE MALACOLOGICAL 



SOCIETY OF BELGIUM. 



ASSISTED BY 



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



WILFRID H. HUDLESTON, M.A., F.R.S., F.G.S., F.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. 



ISTEW SERIES. DEC.A.DE I^V". VOL. VI. 



JANUARY— DECEMBEE, 1899. 



LONDON: 

 MESSRS. DFLAU & CO., 37, SOHO SQUARE. 



1899. 



