PRINCIPLES

OF

GEOLOGY.

VOL. III.

LONDON:

Printed by A. SPOTTISWOODE, New-Street-Square.

OF

GEOLOG Y:

OR, THE

MODERN CHANGES

OF THE EARTH AND ITS INHABITANTS,

CONSIDERED AS ILLUSTRATIVE OF GEOLOGY.

BY

CHARLES LYELL, ESQ. F.R.S.

"The inhabitants of the globe, like all the other parts of it, are subject to
change. It is not only the individual that perishes, but whole species."
"A change in the animal kingdom seems to be a part of the order of nature,
and is visible in instances to which human power cannot have extended."

PLAYFAIR, Illustrations of the Huttonian Theory, § 413.

IN THREE VOLUMES.

VOL. III.

THE SIXTH EDITION.

LONDON:

JOHN MURRAY, ALBEMARLE STREET.

1840.