... 



Vol. LXVIII. 



Paet 4. 



DECEMBEE 1912 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY 



Price Five Shillings 



EDITED BY 



THE ASSISTANT-SECEETARY 



[With Eighteen Plates, illustrating Papers by Prof. E. J. 

 Garwood and Mr. R. D. Vernon.] 



LONDON: Va,,, 

 LONGMANS, GREEN, AND CO. 



PARIS:— CHAELE8 KLINCK8IBCK, 11 RUB DE LILLE. 

 BOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



[Issued January 13th, 1913.] 



