SSOC#2 
seine / ae 
QUARTERLY JOURNAL 
GEOLOGICAL SOCIETY OF LONDON. 
EDITED BY 
THE ASSISTANT-SECRETARY OF THE GEOLOGICAL SOCIETY. 
Quod si cui mortalium cordi et cure sit non tantum inventis heerere, atque iis uti, sed ad ulteriora 
penetrare ; 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, Prefatio. 
VOLUME THE TWENTY-SIXTH. 
1870. 
PART THE FIRST. 
PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 
| ae (28 BY35 aa 
anuee Se 
LONGMANS, GREEN, READER, AND ee MUSE YA 
PARIS: FRIED, KLINCKSIECK, 11 RUE DE LILLE; F. SAVY, 24 RUE HAUTEFEUILER. 
LEIPZIG: T. 0. WEIGEL. 
SOLD ALSO AT THE APARTMENTS OF THE SOCIETY. 
MDCCCLXX. 
