Page:Quarterly Journal of the Geological Society of London, vol. 27.djvu/7

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THE

QUARTERLY JOURNAL

OF THE

GEOLOGICAL SOCIETY OF LONDON.

EDITED BY

THE ASSISTANT-SECRETARY OF THE GEOLOGICAL SOCIETY.


Quod si cui mortalium cordi et curæ sit non tantum inventis hærere, 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, Præfatio.


VOLUME THE TWENTY-SEVENTH.

1871.


PART THE FIRST.
PROCEEDINGS OF THE GEOLOGICAL SOCIETY


LONDON:

LONGMANS, GREEN, READER, AND DYER.

PARIS: FRIED. KLINCKSIECK, 11 RUE DE LILLE; F. SAVY, 24 RUE HAUTEFEUILLE.
LEIPZIG: T. O. WEIGEL.

SOLD ALSO AT THE APARTMENTS OF THE SOCIETY.

MDCCCLXXI.