Front matter
P. Chalmers (Peter Chalmers) Mitchell translation
Transcriber’s Note:
New original cover art included with this eBook is granted to the public domain.

M. ÉLIE METCHNIKOFF
THE NATURE OF MAN STUDIES IN OPTIMISTIC PHILOSOPHY
BY
ÉLIE METCHNIKOFF
PROFESSOR AT THE PASTEUR INSTITUTE
THE ENGLISH TRANSLATION
EDITED BY
P. CHALMERS MITCHELL
M.A., D.Sc. Oxon.
SECRETARY OF THE ZOOLOGICAL SOCIETY OF LONDON
G. P. PUTNAM’S SONS
NEW YORK AND LONDON
The Knickerbocker Press
Copyright, 1903
BY
G. P. PUTNAM’S SONS
Eleventh Printing
iii