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Vol. LXIII. NOVEMBER, 1907. No. 252. 



Part 4. 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY. 



EDITED BY 



THE ASSISTANT-SECRETAEY. 



[With Eight Plates, illustrating Papers by Mr. L. Richardson, 

 Mr. H. Bolton, and Mr. F. W. Harmer.] 



LONDON : 

 LONGMANS, GREEN, AND CO. 



PARIS:— CHARLES KLINCKSIECK, 11 RUE DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



Price Five Shillings. 



Zw%A\ 



[Issued on December 21st, 1907.] 



