The Project Gutenberg EBook of Applied Eugenics, by
Paul Popenoe and Roswell Hill Johnson

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Title: Applied Eugenics

Author: Paul Popenoe and Roswell Hill Johnson

Release Date: October 17, 2006 [EBook #19560]

Language: English

Character set encoding: ASCII

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APPLIED EUGENICS

BY

PAUL POPENOE

EDITOR OF THE JOURNAL OF HEREDITY (ORGAN OF
THE AMERICAN GENETIC ASSOCIATION),
WASHINGTON, D. C.

AND

ROSWELL HILL JOHNSON
PROFESSOR IN THE UNIVERSITY OF PITTSBURG

THE MACMILLAN COMPANY NEW YORK . BOSTON . CHICAGO . DALLAS
ATLANTA - SAN FRANCISCO

MACMILLAN & CO., LIMITED LONDON . BOMBAY . CALCUTTA MELBOURNE

THE MACMILLAN CO. OF CANADA, LTD. TORONTO

1918

_All rights reserved_

COPYRIGHT, 1918,

BY THE MACMILLAN COMPANY

Set up and electrotyped. Published October, 1918.

PREFACE

The science of eugenics consists of a foundation of biology and a
superstructure of sociology. Galton, its founder, emphasized both parts
in due proportion. Until recently, however, most sociologists have been
either indifferent or hostile to eugenics, and the science has been left
for the most part in the hands of biologists, who have naturally worked
most on the foundations and neglected the superstructure. Although we
are not disposed to minimize the importance of the biological part, we
think it desirable that the means of applying the biological principles
should be more carefully studied. The reader of this book will,
consequently, find only a summary explanation of the mechanism of
inheritance. Emphasis has rather been laid on the practical means by
which society may encourage the reproduction of superior persons and
discourage that of inferiors.

We assume that in general, a eugenically superior or desirable person
has, to a greater degree than the average, the germina