﻿

THE 



QUARTERLY JOURNAL 



OF THE 



GEOLOGICAL SOCIETY OF LONDON 



EDITED BY 



THE ASSISTAOT-SECRETARY OF THE GEOLOGICAL SOCIETY. 



Quod Si cui mortalium cordi et cur^ sit non tantum inventis haerere atqu« iis "t^' ^/^ ^^^^^^^^^^ 

 pen^are; atquenondisputandoadversariun.,sedoperenaturarn vincere; de^^^^^^^ 

 opinari, sed certo et ostensive scire; tales, tanquam veri scientiarum filu, nobis (si videbitur) seaajuig 

 —Novum Organum, Prafatio. 



VOLUME THE SIXTY-FOURTH. 

 1908. 



LONDON : 

 LONGMANS, GREEN, AND CO. 



PAEIS : CHAELES KLINCKSIECK, 11 RUE DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



MDCCCCVIII. ^04'5'fc\ 



