Transcriber’s Note:
The position of the footnote anchor 171 at page 229 is a guess of the transcriber as the anchor was missing in the original book.
The book cover image was created by the transcriber and is placed in the public domain.
THE PROLONGATION OF LIFE
OPTIMISTIC STUDIES
BY
ÉLIE METCHNIKOFF
SUB-DIRECTOR OF THE PASTEUR INSTITUTE, PARIS
THE ENGLISH TRANSLATION
EDITED BY
P. CHALMERS MITCHELL
M.A., D.SC. OXON., HON. LL.D., F.R.S.
Secretary of the Zoological Society of London; Corresponding Member
of the Academy of Natural Sciences of Philadelphia
G. P. PUTNAM’S SONS
NEW YORK & LONDON
The Knickerbocker Press
1908