THE
WONDERS OF LIFE
A POPULAR STUDY
OF BIOLOGICAL PHILOSOPHY
BY
ERNST HAECKEL
(Ph.D., M.D., LL.D., Sc.D., and Professor at the University of Jena)
AUTHOR OF
"THE RIDDLE OP THE UNIVERSE"
"THE HISTORY OF CREATION"
"THE EVOLUTION OF MAN"ETC.
TRANSLATED BY
JOSEPH McCABE
SUPPLEMENTARY VOLUME TO
"THE RIDDLE OF THE UNIVERSE"