CONTENTS.

NOTE

THE LAST LINK

I.

II.

III.

BIOGRAPHICAL SKETCHES

THEORY OF CELLS.

FACTORS OF EVOLUTION.

GEOLOGICAL TIME AND EVOLUTION.

OUR PRESENT KNOWLEDGE OF THE DESCENT OF MAN

BY
ERNST HAECKEL
(JENA)

WITH NOTES AND BIOGRAPHICAL SKETCHES
BY
HANS GADOW, F.R.S.
(CAMBRIDGE)

LONDON
ADAM AND CHARLES BLACK
1898