N H 



THE 



J^)i y — ''^■ 



GEOLOGICAL MAGAZINE: 



OE, 



Ponthlg 3oui[ttal of dwlo^g : 



WITH WHICH IS INCOEPOEATKD 



*'THE G-EOLOG-IST." 



NOS. CCCXXXI. TO CCCXLII. 



EDITED BT 



HENEY WOODWAED, LL.D., P.E.S., F.G.S., F.Z.S., F.E.M.S., 



OF THE BRITISH MUSEUM OF NATURAL HISTORY; 

 VICE-FEESIDENT OF THE PAL^ONTOORAPHICAL SOCIETY, 



MBMBEB OF THE LT0ED5C OP WATUEAL HISTOET, NEW YOEK; AND OF THE AMBEICAN PHILOSOPHICAL 



SOCIETY, PEILADELPHIA ; HOWORAKY MEMBER OP THE YORKSHIRE PHILOSOPHICAL 



SOCIETY; OF THE SEOLOGISTS' ASSOCIATION, LONDON: OF THE GEOLO&ICAL 



SOCIETIES OP EDINBURGH, GLiSGOW, HALIPAE, LIVERPOOL, AND NOE- 



WICK; CORRESPONDING MEMBER OP THE GEOLOGICAL SOCIETY 



OP BKLGIOM; OF THE IMPERIAL SOCIETY OF NAIOEAL 



HISTORY OF MOSCOW; OPTHE NATURAL HISTOEY 



SOCIETY OF MONTREAL; AND OP THB 



MALACOLOGICAL SOCIETZ 



OP BELGIUM. 



ASSISTED BT 



EOBEET ETHEEIDGE, F.E.S. L. & E., F.G.S., E.C.S., &c., 

 WILFEID H. HTJDLESTOjST, M.A., F.E.S., Pees.G.S., F.L.S., F.C.S. 



AND 



GEOEGE J. HINDE, Ph.D., Y.P.G.S., &c. 



N"K"W SERIES. DECIDE III. VOL. IS. 



JANUARY— DECEMBER, 1892. 



LONDON: 

 KEGAN PAUL, TEENCH, TEUBNEE & Co., Liauted, 

 PATERNOSTER HOUSE, CHARINa CROSS RO 

 F. SAVT, 77, BOULEVART ST.-GERMAIN, 





1892. /^ ^^ 



^ Hnmu tJl\iS^'^"^ 



