Vol. lxxiv. No. 295. 



THE 



QUARTERLY JOURNAL 



OF THE 



GEOLOGICAL SOCIETY. 



EDITED BY 



THE PERMANENT SECRETARY. 



[With Four Plates, illustrating Mr. B. Smith's 

 and Mr. L. D. Stamp's Papers.] 



September 5th, 1910. f 



( JAfs 



LONDON : \^ 



LONGMANS, GREEN, AND CO. 



PARIS:— CHARLES K.LINCK8IECK, 11 RUE DE LILLE. 

 SOLD ALSO AT THE APARTMENTS Ob THE SOCIETY. 



Trice Seven Shillings and Sixpence. 



Part 3. 



