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 



