•The

THE MACMILLAN COMPANY
NEW YORK. BOSTON CHICAGO
DALLAS SAN FRANCISCO

MACMILLAN & CO., LIMITED

LONDON. BOMBAY CALCUTTA
MELBOURNE

THE MACMILLAN CO. OF CANADA, LTD.

TORONTO

PLANT, ANIMAL, HUMAN

BY

JAMES EDWARD PEABODY, A.M.

HEAD OF THE DEPARTMENT OF BIOLOGY, MORRIS HIGH SCHOOL
BRONX, NEW YORK CITY, AUTHOR OF "STUDIES IN PHYSI-
OLOGY" AND LABORATORY EXERCISES IN ANATOMY

ARTHUR ELLSWORTH HUNT, PH.В.

HEAD OF THE DEPARTMENT OF BIOLOGY, MANUAL TRAINING
HIGH SCHOOL, BROOKLYN, NEW YORK CITY

"The wild life of to-day is not wholly ours to dispose
of as we please. It has been given to us in trust. We
must account for it to those who come after us and
audit our records.". HORNADAY.

New York

THE MACMILLAN COMPANY

1922

All rights reserved