Vol. LVII. 



Part 2. 



QUARTERLY JOURNAL 



OP THE 



GEOLOGICAL SOCIETY. 



EDITED BY 



THE ASSISTANT-SECRETARY. 



[With Two Plates, illustrating Papers by Mr. John Parkinson 

 and Mr. Edwin TuUey Newton,] 



LONDON : 



LONGMANS, GREEN, AND CO. 



PARIS:— CHAKLES KLINCKSIECK, 11 RUB DE LILLE. 

 LEIPZIG:—!. O. WEIGEL. 



BOLD ALBO AT THE APARTMENTS OF THE SOCIETY. 



Price Five Shillings. 





