Vol. LXVIII. FEBRUARY 29th, 1912. No. 269. 

 Paet 1. 



THE 



QUARTERLY JOURNAL 



GEOLOGICAL SOCIETY, 



EOITED BY 



THE ASSISTANT-SECRETARY. 



[With Nine Plates, illustrating Papers by Prof. T. Q. Bonney 

 & the Rev. E. Hill, Dr. T. F. Sibly, Mr. C. I. Gardiner | 

 & Prof. S. H. Reynolds, and Mr. J. Romanes.] •^'''''TXanTr TT^ 



LONDON : . . 



LONGMANS, GREEN, AND CO. ^^— -^i^ ^^^ 



PARIB:— CHARLES KLINCK8IECK, 11 RUB DE LILLE. 

 SOLD ALSO AT THE APARTMENTS OP THE SOCIETY. 



Price Five Shillings, 



