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.