

Vol. LXV. FEBRUARY 24th, 1909. No. 257. 

 Part 1. 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY. 



THE ASSISTANT-SECRETARY. 



[With Three Plates, illustrating Papers by Mr. E. A. N. 

 Arher, Mr. H. J. L. Beadnell, and Dr. A. R. Dwerryhouse.] 



f LJ^ LONDON : 



LONGMANS, GREEN, AND CO. 



PARIS:— CHARLES KLINCKSIECK, 11 RUE DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OE THE SOCIETY. 



Price Five Shillings. 



