Library of 19th Century Science:
The Golden Age of Geology
PRINCIPLES
of
GEOLOGY;
or,
THE MODERN CHANGES OF THE EARTH AND ITS INHABITANTS
CONSIDERED AS ILLUSTRATIVE OF GEOLOGY.
BY SIR CHARLES
LYELL, M.A. F.R.S.
PRESIDENT OF THE GEOLOGICAL SOCIETY OF LONDON;
EIGHTH AND ENTIRELY REVISED EDITION.