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A DESCRIPTION

OF

ACTIVE AND EXTINCT

VOLCANOS.

In the present state of geological science, a mineralogist could hardly employ himself better, than in traversing those ambiguous countries where so much has been ascribed to the ancient operation of volcanic fire, and marking out what belongs clearly to the erupted or unerupted lavas, and what parts are of doubtful formation, containing no mark by which they may be referred to the one of these, more than to the other. Such a work would contribute very materially to illustrate the Natural History of the Earth.Illustrations of Hutton's Theory.

OF

ACTIVE AND EXTINCT

V O L CA N 0 S,

53880
EARTHQUAKES, AND OF THERMAL SPRINGS;

OF

WITH REMARKS ON

THE CAUSES OF THESE PHÆNOMENA,

THE CHARACTER OF THEIR RESPECTIVE PRODUCTS,

AND

THEIR INFLUENCE ON THE PAST AND PRESENT

CONDITION OF THE GLOBE.

BY CHARLES DAUBENY, M.D., F.R.S.,

FELLOW OF THE GEOLOGICAL AND LINNEAN SOCIETIES;
HONORARY MEMBER OF THE ROYAL IRISH ACADEMY, AXD OF THE ROYAL AGRICULTURAL
SOCIETY OF ENGLAND; OF THE SOCIETIES OF QCEBEC, MONTREAL, PHILADELPHIA,
AND BOSTON; OF THE ACADEMY OF GENEVA; CORRESPONDING ASSOCIATE

OF THE GIOENEAN SOCIETY OF NATURAL HISTORY AT CATANIA, ETC.;
PROFESSOR OF CHEMISTRY AND OF BOTANY IN THE UNIVERSITY OF OXFORD.

Πολλά δ' ένερθ' ύδεος πύρα καίεται.

SECOND EDITION, GREATLY ENLARGED.

LONDON:

RICHARD AND JOHN E. TAYLOR,

RED LION COURT, FLELT STREET.

1848.

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