ilization of certain gross and
hopeless defectives, to preclude the propagation of their type.

There would seem to be great need of State Eugenic Boards, to correlate
and to promote these activities, in the interests of the future
population, and to give expert advice as to how to legislate wisely, and
individual advice as to how to mate wisely. The latter function now
falls entirely upon the Eugenics Record Office at Cold Spring Harbor,
where the work is being carried on with great efficiency with the funds
at command.

_REFERENCES_

[57] Darbishire, A. D.: _Breeding and the Mendelian Discovery_, Cassell
& Company, Ltd., London, New York, Toronto and Melbourne, 1911.

[58] Davenport, Chas. B.: _Heredity in Relation to Eugenics_, Henry Holt
& Company, New York, 1911.

[59] Dugdale, Robert L.: _The Jukes_, G. P. Putnam's Sons, New York and
London, 1910.

[60] Galton, Francis: _Hereditary Genius_, D. Appleton & Company, New
York, 1870.

[61] Goddard, Henry H.: _The Kallikak Family_, The Macmillan Company,
New York, 1912.

[62] Kellicott, William E.: _The Social Direction of Human Evolution_,
D. Appleton & Company, New York and London, 1911.

[63] Huth, Alfred Henry: _Marriage of Near Kin_, Longmans, Green &
Company, London, 1887.

[64] Darwin, Charles: _The Descent of Man_, Thomas Y. Crowell & Company,
New York, 1874.

For further bibliographic lists, see bulletins entitled "Books and
Journals," and "Publications" issued by the Eugenics Record Office, Cold
Spring Harbor, N. Y.

INDEX

Abdominal muscles, beneficial effects of erect posture on, 57.

Acids, excess of, from overabundance of animal proteins in diet, 39;
fruit and vegetable, in a mixed diet, 43.

Activity, necessary to living a hygienic life, 89;
work and play the two great forms, of, 89.

Adulterants in foods, harmful, 65.

Advertising, measures of reform in, 162-163.

Agar-agar, a preventive of constipation, 52-53;
for use in colds, 279.

Air, the first necessity of life, 7;
motion, coolness, humidity, and freshness of, important features
of ventilation, 7;
the matter of drafts, 8-9, 123-124, 274, 277;
securing fresh, through windows, 9-10;
prevention of stagnation of, by air-fans, 10;
action of different heating systems, 10;
importance of coolness of, 10-11;
securing proper degrees of dryness and humidity, 11-12;
lighting systems and, 13;
evils o