sJ v 



Vol. LVI. FEBRUARY 15th, 1900. No. 221, 

 PabtI. 



- ' 



THE 



QUARTERLY JOURNAL 



or THE 



GEOLOGICAL SOCIETY. 



EDITED BY 



THE ASSISTANT-SECRETARY. 



[With Nine Plates, illustrating Papers by Dr. J. W. Gregory, 



Dr. GL J. Hinde, Mr. H. Lapworth, Prof. T. T. Groom, and 



Dr. W. T. Blanford.] 



\ LONDON 



LONGMANS, GREEN, AND CO. 



PARIS:— CHARLES KLINCKSIECK, 11 RUB DE LILLE. 

 LEIPZIG :— T. O. WEIGEL. 



SOLD ALSO AT THE APARTMENTS OP THE SOCIETY. 



Price Five Shillings. 



