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Vol. LXIV. 



Part 1. 



FEBEUARY 29th, 1908 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY 



EDITED BY 



THE ASSISTANT-SECRETARY 



[With Ten Plates, illustrating Papers by Mr. T. F. Sibly, 

 Prof. A. C. Seward, and Mr. T. N. Leslie.] 



LONDON : 

 LONGMANS, GREEN, AND CO. 



PARIS :— CHARLES KLINCK8IECK, 11 RUB DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



Price Five Shillings, 



