THE 



GEOLOGICAL MAGAZINE: 



Stonthtg Journal of deotajgg ; 



WITH WHICH IS INCORPORATED 



THE GJ-EOLOG-IST." 



NOS. CXXVII. TO CXXXVIII. 



EDITED BY 



HENBY WOODWABD, F.E.S., F.G.S., F.Z.S., 



VICE-PKESIDENT OF THE GEOLOGISTS ASSOCIATION | 



MEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY, PHILADELPHIA; 



HONORARY MEMBER OP THE GEOLOGICAL SOCIETIES OF EDINBURGH, GLASGOW, AND NORWICH J 



CORRESPONDING MEMBER OF THE GEOLOGICAL SOCIETY OF BELGIUM ; OF THE NATURAL 



HISTORY SOCIETY OF MONTREAL; AND OF THE LYCEUM OF 



NATURAL HISTORY, NEW YORK. 



ASSISTED BY 



PBOFESSOB JOHN MOEEIS, F.G.S., &c, &c, 



AND 



EOBEET ETHEBIDGE, F.E.S., L. & E., F.G.S., &o. 



ISTEW SERIES. DECADE II. VOL. II. 

 JANUARY— DECEMBER, 1875. 



LONDON: 

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

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

 6 1875. 



