CONTENTS 



PAGE 



CHAP. 



I. Domestic Animals 1 



Attention to breed — Unconscious and conscious selec- 

 tion — Breeds of dogs, cattle, etc. — The farmer's 

 knowledge. 



II. Man's Ancestors 5 



Improvements in mankind — Evolution and develop- 

 ment, parallel processes — Struggle for existence — 

 Natural selection. 



III. Our Surroundings 10 



Acquired differences — ^Mutilations — Effects of educa- 

 tion — Social contact — Large families and poverty. 



IV. Hereditary Qualities . . . .16 



Differences in mind and body at birth — Twins — 

 Qualities of descendants — Eegression to the mean. 



V. Eugenic Methods 21 



- Stockyard methods — Overcrowding — Murder — Com- 

 pulsory marriage — Birth rate, not death rate — Eisks 

 inevitable. 



VI. The Men WE Want 25 



Elimination of defectives — Supermen — Inferior castes 

 — Men judged by performance — Equality never 

 obtainable. 



VII. Inferior Stocks 29 



Elimination of unfit — Compulsion or persuasion — 

 Rare diseases — Insanity — Epilepsy — Consumption — 

 Doctors' advice. 



VIII. Birth Control 34 



Checks on population — Family limitation — Conti- 

 nence — Contraception — Effects on health and morals 

 — Dual campaign. 



vii 



