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The Student's Elements of Geology by Sir Charles Lyell
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THE STUDENT'S ELEMENTS OF GEOLOGY.

BY SIR CHARLES LYELL, BART., F.R.S.,

AUTHOR OF "THE PRINCIPLES OF GEOLOGY," "THE ANTIQUITY OF MAN," ETC.


(FIGURE A. FROM BOTTOM TO TOP:
PRIMARY OR PALEOZOIC. Bronteus flabellifer.
SECONDARY OR MESOZOIC. Ammonites rhotomagensis.
TERTIARY OR CAINOZOIC. Nummulites laevigata.)

(FIGURE B. Thecosmilia annularis.)


WITH MORE THAN 600 ILLUSTRATIONS ON WOOD.



PREFACE.

The LAST or sixth EDITION of my "Elements of Geology" was already out of print
before the end of 1868, in which year I brought out the tenth edition of my
"Principles of Geology."

In writing the last-mentioned work I had been called upon to pass in review
almost all the leading points of speculation and controversy to which the rapid
advance of the science had given rise, and when I proposed to bring out a new
edition of the "Elements" I was strongly urged by my friends not to repeat these
theoretical discussions, but to confine myself in the new treatise to those
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