m 



Vol. LXVII. MAY 31st, 1911. No. 266. 



Part 2. 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY. 



BDITBD BY 



THE ASSISTANT-SECRETARY. 



[With Twelve Plates, illustrating Papers by Mr. H. H. Thomas, \ 

 Miss G. R. Watney & Miss E. G. Welch, Mr. A. Wade, and 

 Mr. G. E. Dibley.] 



liar 



LONDON 

 LONGMANS, GREEN, AND CO. ^L^ r/ 



PARIS:— CHARLES KLINCK8IECK, 11 RUB DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OP THE SOCIETY. 



Price Five Shillings. 



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