THE 
6-^i/63 
ANCIENT VOLCANOES 
OV 
* D.C.L. OxF., D.Sc. Camb., Dubi>. ; LL.D. St. And., Edinb. 
DIRKCTOR-OENERAL OP THE GEOUKilOAl. RURVEY OF GREAT BRITAIN AND IRELAND; 
(CORRESPONDENT OP THE INSTITUTE OP PRANCE ; 
op THE ACADEMIES OF BERLIN, VIENNA, MirSICH, TURIN, BlSLCilUM, STOCKHOLM, OOITINOEN, NEW YORK ; OF THE 
IMPERIAL MlNERALOniCAL SOCIE'lN AND SOCIETY OF NATURALISTS, KT. I'ETERHBURC *, NATURAL THSTORV 
SOCIETY, MOSCOW ; SCIENTIFIC SOCIETY, CHRISTIANIA; AMERICAN PHILOSOPHICAI. SOCIETY ; OF I'HF, 
OEOLOCICAL SOCIETIES OF LONDON, FRANCE, BEI/i ! CM, STOCKHOLM, ETC. 
WITH SEVEN MAPS AND NUMEKOUS ILLUSTRATIONS 
IN TAVO VOLUMES 
VOL. I 
Hanfton 
MACMILLAN AND CO., Limited. 
NEW YORK : THE MACMILLAN COAIFANY. 
1897 
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