CONTENTS. 



PAGE 



INTRODUCTION 17 



Kinds of heredity Great facts of heredity In- 

 fluences affecting heredity Results of early marriages- 

 Mistakes of good intentions Removing the curses of 

 civilization Regulating marriages Modern conditions 

 and requirements. 



CHAPTER I. 

 INHERITANCE, VARIATION AND SELECTION 25 



Examples by oak trees Three-legged bitch Mare 

 Basto Hornless cattle Kelleia Colburn Three-fingered 

 Man Three nipples Scalp moving Blushing Left- 

 handed Discussion of examples. 



Telegony: Quagga colt Horse "Camel" Mules 

 Cecil's remarks Day's comments Hairless bitch Polled 

 heifer Chocolate-colored ewes Various animals Red- 

 haired son Discussion. 



Atavism : Pointer bitch Fox-terrier Setter-spaniel 

 Malay fowls Essex pigs Double tooth Lame man. 



Partial Transmission: United toes Cancer Acacia 

 Discussion. 



Inheritance by sex: Secondary sexual characters 

 Trotting horses Sporting dogs Sheep and goats Gout 

 Hairless women Insanity Consumption Skin disease. 



Inheritance at corresponding ages. Examples : Dar- 

 win's rules Tachygenesis. 



Selection : Examples from pigs Methodical selec- 

 tion Unconscious selection Natural selection Discussion. 



5 



