Influence of Parental Factors upon the Character of their
Offspring. What Parental Conditions produce the Best Quality of
Children. The Most Favorable Age for Parenthood. What statistics
show. The Vaerting Tables. The Influence of Fathers. The
Influence of Mothers. The Havelock Ellis Studies and Reports.
The Production of Men of Genius. The Investigations of Marro the
Italian Scientist. The Redfield Investigation and Theories. The
Influence of Parental Age on Genius. How Ability is Transmitted.
Why Delayed Parentage produces Better Offspring than Premature
Parentage. Latest Discoveries of Sexual Science concerning an
important subject 103