to?--The
wife marries her husband's family--Girls should know this--A
mother's privilege. 209

CHAPTER XXVII.

THE LAW OF HEREDITY.

A strange will--Should study the law of inheritance--Plant
heredity--Race heredity--National characteristics--Individual
inheritance--We are composite photographs--The law of heredity
a beneficial law--Transmission of evil a warning--Bad tempers
inherited--Atavism. 215

CHAPTER XXVIII.

HEREDITARY EFFECTS OF ALCOHOL, TOBACCO, ETC.

Alcoholism produces nerve degeneration--Tight lacing may have
the same result--Nerve degeneracy may lead to
alcoholism--Idiocy and inebriety increasing--Effects of
wine--Evils of patent medicines--Inebriety of parents entails
injury on offspring--Folly of marrying a man to reform
him--Hereditary effects of morphine, chloral, etc.--Dangers of
the tobacco habit--Inherited effects of tobacco. 223

CHAPTER XXIX.

EFFECTS OF IMMORALITY ON THE RACE.

The law of God not a double law--The inherited effects of
immorality--Millions die annually from its effects--
Transmitted to child or wife--Contamination through a kiss. 235

CHAPTER XXX.

THE GOSPEL OF HEREDITY.

Inheritance of good so universal that we fail to think of
it--Mercy shown to thousands of generations--Heredity not
fatality--Effects of education transmitted--Experiments of
Professor Gates on dogs--A divine inheritance. 241

CHAPTER XXXI.

REQUISITES OF A HUSBAND.

What is the young man's inheritance?--What are his
ideas?--What is his estimate of woman?--What are his
defects?--Are there adequate reasons why some should not
marry?--May not married people be happy without children--A
girl should know something of the personal habits of her
future husband--Should consider her own personal habits--How
freely may young people talk together? 247

CHAPTER XXXII.

ENGAGEMENTS.

Becoming engaged for fun--May not engaged young people throw
aside restrictions?--Long engagements--The benefits of an
engagement--Evils of a long engagement--Engagement a time of
preparation--Sexual attraction not limited to local
expression--Duty of the engaged young woman to her own
family--Jealousy the quintessence of selfishness--Trust a
suggestion to be true--Common sense needed in marriage--Hold
your lover to the highest ideals.