A/.H 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY OF LONDON. 



EDITED BY 



THE ASSISTANT-SECRETARY OF THE GEOLOGICAL SOCIETY, 



VOLUME THE THIRD. 

 1847. 



PART THE FIRST. 



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(^^ ^\ 



PROCEEDINGS OF THE GEOLOGICAL ^OCV^Wmfif 



LONDON: ^^j,,! nSlf' 



LONGMAN, BROWN, GREEN, AND LONGMANS. '^ — -"" 



PARIS:— FRIED. KLINCKSIECK, II RUE DE LILLE; BAUDRY, 9 RUE DU COQ, 

 PRES LE LOUVRE; LEIPZIG, T. O. WEIGEL. 



NEW YORK :— WILEY AND PUTNAM, l6l BROADWAY. 



SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



MDCCCXLVII. 



4^ 



