'»M \ \~£T 



Vol. LXIII. 



Part 1. 



FEBRUARY 4th, 1907. No. 249. 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY. 



KOITED BY 



THE ASSISTANT-SECRETARY 



[With Five Plates, illustrating Papers by Mr. A. M. Davies, 

 Mr. R. W. Eooley, and Mr. W. R. Baldwin- Wiseman. 



LONDON : 

 LONGMANS, GREEN, AND CO. 



PARIS:— CHARLES KLINCK8IECK, 11 RUE D 



SOLD ALSO AT THE APARTMENTS OF THE S^IETY 



Price Five Shillings. 



