^4d ^^O >--==» ^'»<^ 



MH 



.^■' \) 



THE 



GEOLOGICAL MAGAZINE 



OR, 



IHonthln Joui[nal of (i^olojgi) : 



WITH WHICH IS INOORPORATKU 



"THE &EOLOG^IST." 



NOS. CCCCXCIX TO DX. 



EDITED BY 



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

 F.G.S., V.P.R.M.S. 



LATE OF THE BRITISH MUSEUM OF NATURAL HISTORY ; 



PRESIDENT OF THE PALJEONTOGRAPHICAL SOCIETY, PAST PRESIDENT 



OF THE MALACOLOGICAL SOCIETY ; 



MEMBEK OF THE LTCEUM OF NATURAL HISTORY, NEW YORK ; AND OF THE AMERICAN PHILOSOPHICAL 



SOOIETT, PHILADICLPUIA ; HONORARr MEMBER OF THE STORKSUIRE PHILOSOPHICAL SOCIETY; 



OF THE GEOLOGISTS' ASSOCIATION, LONDON: OF THE INSTITUTION OP MINING AND 



METALLURGY, LONDON; OP THE GEOLOGICAL SOCIETIES OF EDINBURGH, 



GLASGOW. HALIFAX, LIVERPOOL, AND SOUTH AFRICA; CORRESPONDING 



MEMBER OP THE GEOLOGICAL SOCIETY OF BELGIUM; OF THE 



IMPERIAL SOCIETY OF NATURAL HISTORY OP MOSCOW; OF 



THE NATURAL HISTORY SOCIETY OF MONTREAL; 



AND OF THE MALACOLOGICAL 



SOCIETY OF BELGIUM. 



ASSISTED BY 



WILFRID H. HUDLESTON, M.A., E.R.S., F.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., V.P.G.S., &c. 



NE^W^ SERIES. IDECA^IDE ^^. A^OL. III. 

 JANUARY— DECEMBEE, 1906. 



LONDON: 

 MESSRS. DULAU & CO., 37, SOHO SQUARE, W. 



1906. 



/9//b7 



