THE
KALLIKAK FAMILY
A STUDY IN THE HEREDITY OF
FEEBLE-MINDEDNESS
BY
HENRY HERBERT GODDARD, Ph.D.
Director of the Research Laboratory of the Training School
at Vineland, New Jersey, for Feeble-minded Girls
and Boys
New York
THE MACMILLAN COMPANY
1916
All rights reserved
Copyright, 1912,
By THE MACMILLAN COMPANY.
Set up and electrotyped. Published September, 1912. Reprinted
February, 1913; February, 1914; September, 1916.