interest for the future.

* * * * *




CHAPTER I.

THE PROBLEM STATED.


_The spread of moral restraint as a check.--Predicted by Malthus.--The
declining Birth-rate.--Its Universality.--Most conspicuous in New
Zealand.--Great increase in production of food.--With rising food
rate falling birth-rate.--Malthus's checks.--His use of the term "moral
restraint."--The growing desire to evade family obligations.--Spread
of physiological knowledge.--All limitation involves self
restraint.--Motives for limitation.--Those who do and those who do not
limit.--Poverty and the Birth-rate. Defectives prolific and propagate
their kind.--Moral restraint held to include all sexual interference
designed to limit families.--Power of self-control an attribute of the
best citizens.--Its absence an attribute of the worst.--Humanitarianism
increases the number and protects the lives of defectives.--The ratio of
the unfit to the fit.--Its dangers to the State.--Antiquity of the
problem.--The teaching of the ancients.--Surgical methods already
advocated._


A century has passed since Malthus made his immortal contribution to the