Vol. LXII. AUGUST 17th, 1906. No. 24-7. 



Paet 3. 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY. 



EDITED BY 



THE ASSISTANT-SECRETAKY. 



[With Seven Plates, illustrating Papers by Prof. Marshall, 

 Mr. Lake, Mr. Bnckman, and Prof. Lebour & Dr. Smythe.] 



LONDON : 

 LONGMANS, GREEN, AND CO. 



PARIS:— CHAKLES KLINCKSIECK, 11 RUE DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



Price Five Shillings. 



