The Geological History of Plants

by Sir John William Dawson

DIAGRAM OF THE HISTORY OF PLANTS IN GEOLOGICAL TIME.
(Adapted from Ward.)

THE INTERNATIONAL SCIENTIFIC SERIES

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THE
GEOLOGICAL HISTORY
OF PLANTS

BY

SIR J. WILLIAM DAWSON
C. M. G., LL. D., F. R. S., &c.

WITH ILLUSTRATIONS

NEW YORK
APPLETON AND COMPANY
1888