CONTENTS IX 



—Early puberty a cause for anxiety— Changes 

 which occur at puberty — Menstruation— Na- 

 ture of menstruation— Extra-uterine pregnancy 



— Twins — Superf etation — Monsters — Strange 

 freaks of development— Hybrids— Law of sex 



— Controlling sex— Circumcision— Castration 

 -Spaying 115-141 



SEXUAL HYGIENE 



Sexual precocity— Various causes of sexual pre- 

 cocity—Senile sensuality— Satyriasis 142-149 



MARRIAGE 



Time to marry— Application of the law of hered- 

 ity—Early marriage— Mutual adaptation— A 

 dangerous doctrine— Disparity of age — A do- 

 mestic purgatory— Courtship— Courtship in 

 Prance — A Jewish custom— Long courtships— 

 — Advice about getting married— Flirtation- 

 Youthful flirtations— Polygamy— A defense of 

 polygamy— Arguments of polygamists an- 

 swered—Polyandry—Divorce—Who may not 

 marry— Physical influence of marriage— Dis- 

 eased persons should not marry— Should cous- 

 ins marry?— Deformed persons should not 

 marry— Criminals should not marry— Inter- 

 marriage of races not advisable— Improvident 

 persons should not marry— Reformed rakes, 149-187 



CONTINENCE 



Continence not injurious— Continence does not 

 produce impotence— A hint from lower ani- 

 mals—Difficulty of continence— Internal secre- 

 tions—Helps to continence— The will— Diet— 

 Exercise— Bathing— Peligion 188-207 



