READINGS IN EVOLUTION,

GENETICS, AND EUGENICS

THE UNIVERSITY OF CHICAGO PRESS

CHICAGO, ILLINOIS

THE BAKER & TAYLOR COMPANY
NEW YORK

THE CAMBRIDGE UNIVERSITY PRESS

LONDON

THE MARUZEN-KABUSHIKI-KAISHA
TOKYO, OSAKA, KYOTO, FUKUOKA, SENDAI

THE MISSION BOOK COMPANY
SHANGHAI

READINGS IN EVOLUTION,

GENETICS, AND EUGENICS

By

HORATIO HACKETT NEWMAN

Professor of Zoology in the

University of Chicago

THE UNIVERSITY OF CHICAGO PRESS
CHICAGO, ILLINOIS

COPYRIGHT 1921 BY

THE UNIVERSITY OF CHICAGO

All Rights Reserved

Published October 1921
Second Impression December 1921
Third Impression March 1922

Composed and Printed By
The University of Chicago Press
Chicago, Illinois, U.S.A.

THIS VOLUME

IS AFFECTIONATELY DEDICATED

ΤΟ

MY MOTHER