

THE 



aUARTERLY JOURNAL 



OP THE 



cTS 



GEOLOGICAL SOCIETY OF LONDON 



r 



EDITED BY 



THE ASSISTANT-SECEETAHY OF THE GEOLOGICAL SOCIETY. 



Quod si cui mortalium cordi et curae sit non tantum. inventis hserere, atque iis uti, sed ad ulteriora 

 penetrate ; atque non disputando adversarium, sed opere naturam vincere ; denique non belle et probabiliter 

 opinari, sed certo et ostensive scire ; tales, tanquam veri scientiarum filii, nobis (si videbitur) se adjungant. 

 — Novum Organum, PrcBfatio. 



VOLUME THE FIFTY-FOURTIL.- 



1898. 



(* ^AUG111930 



LONDON : 



LONGMANS, GREEN, AND CO. 



PAEIS: FEIBD. KLINCKSIECK, 11 RUE DE LILLE; F. SAVY, ^^ BOULEVARD ST. GERMAIN 



LEIPZIG: T. O.WEIGEL. 



SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 



MDCCCXCVIII. 



