Produced by Sue Asscher <asschers@bigpond.com>
THE EVOLUTION OF MAN
A POPULAR SCIENTIFIC STUDY
BY
ERNST HAECKEL
VOLUME 2.
HUMAN STEM-HISTORY, OR PHYLOGENY.
TRANSLATED FROM THE FIFTH (ENLARGED) EDITION BY JOSEPH MCCABE.
[ISSUED FOR THE RATIONALIST PRESS ASSOCIATION, LIMITED.]
WATTS & CO.,
17, JOHNSON'S COURT, FLEET STREET, LONDON, E.C.
1911.
CONTENTS OF VOLUME 2.
LIST OF ILLUSTRATIONS.
INDEX.
CHAPTER 2.16. STRUCTURE OF THE LANCELET AND THE SEA-SQUIRT.