Vol. LXXVII. 



Part 2. 



THE 



QUARTERLY JOURNAL 



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GEOLOGICAL SOG^tl 



(^ OCT 



EDITED BY 



THE PERMANENT SECRETARY 



[With One Plate, illustrating Mr. W. B. R. King's Paper.] 



ArGUST 19th, 1921. 



LONDON : 

 LONGMANS, GREEN, AND CO. 



PARIS :— CHARLES KLINCK8IECK, 11 RUE DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



Price Seven Shillings and Slccpence. 



