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- 

 tionUnconscious selection Natural selection Discussion. 



5 



