vol. Lxvn. 



Part 1. 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY. 



THE ASSISTANT-SECRETARY 



[With Ten Plates, illustrating Papers by Mr. L. Richardson, 

 Mr. R. L. Sherlock, Dr. W. F. Hume, and Mr. H. Bolton.] 



LONGMANS, GREEN, AND CO. 



PARIS:— CHARLES KLINCKSIECK, 11 RUE DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



[Issued March 17th, 1911.] 



