32 Family responsibility--Natural fertility undiminished .-- Voluntary prevention and physiological knowledge .-- New Zealand experience .-- Diminishing influence of delayed marriage .-- Practice of abortion .-- Popular sympathy in criminal cases .-- Absence of complicating issues in New Zealand .-- Colonial desire for comfort and happiness.
CHAPTER V .-- CAUSES OF DECLINING BIRTH-RATE p.

36 Influence of self-restraint without continence .-- Desire to limit families in New Zealand not due to poverty .-- Offspring cannot be limited without self-restraint .-- New Zealand's economic condition .-- High standard of general education .-- Tendency to migrate within the colony .-- Diffusion of ideas .-- Free social migration between all classes .-- Desire to migrate upwards .-- Desire to raise the standard of ease and comfort .-- Social status the measure of financial status .-- Social attraction of one class to next below .-- Each conscious of his limitation .-- Large families confirm this limitation .-- The cost of the family .-- The cost of maternity .-- The craving for ease and luxury.

Parents' desire for their children's social success .-- Humble homes bear distinguished sons .-- Large number with University education in New Zealand .-- No child labour except in hop and dairy districts .-- Hopeless poverty a cause of high birth-rates .-- High birth-rates a cause of poverty .-- Fecundity depends on capacity of the female to bear children.
CHAPTER VI .-- ETHICS OF PREVENTION p.

31 Fertility the law of life .-- Man interprets and controls this law .-- Marriage law necessary to fix paternal responsibility .-- Malthus's high ideal .-- If prudence the motive, continence and celibacy violate no law .-- Post-nuptial intermittent restraint .-- Ethics of prevention judged by consequences .-- When procreation is a good and when an evil .-- Oligantrophy .-- Artificial checks are physiological sins.
CHAPTER VII .-- WHO PREVENT p.

64 Desire for family limitation result of our social system .-- Desire and practice not uniform through all classes .-- The best limit, the worst do not .-- Early marriages and large families .-- N.Z.