Cambridge Natural Science Manuals.
Geological Series.

THE PRINCIPLES
OF
STRATIGRAPHICAL GEOLOGY

London: C. J. CLAY AND SONS,
CAMBRIDGE UNIVERSITY PRESS WAREHOUSE,
AVE MARIA LANE.
AND
H. K. LEWIS,
136, GOWER STREET, W.C.

Leipzig: F. A. BROCKHAUS.
New York: THE MACMILLAN COMPANY.
Bombay: E. SEYMOUR HALE.

THE PRINCIPLES
OF
STRATIGRAPHICAL GEOLOGY

BY

J. E. MARR, M.A., F.R.S.

FELLOW AND LECTURER OF S. JOHN'S COLLEGE, CAMBRIDGE,
AND UNIVERSITY LECTURER IN GEOLOGY.

CAMBRIDGE:
AT THE UNIVERSITY PRESS.
1898
[All Rights reserved.]