CONTENTS 



CHAPTER I. 



INTRODUCTORY. 



PAGE 



Muscle and Brain versus Political Organisation The 

 Muscles and Brains of a Race are not bound to 

 decay The Fall of Greek and Roman Political Or- 

 ganisation The Permanence of the Scandinavian 

 and Jewish Types Possible Racial Degeneration 

 in Spain Our Power to ensure our own Racial 

 Progress The Knowledge we possess regarding 

 the Laws of Racial Change Evolujipn Modern 

 Philanthropic Effort Are these conducive to 

 Racial as well as to Individual Well-being? i 18 



CHAPTER II. 



THE STANDPOINT OF BIOLOGISTS. 



Lamarck's View on Heredity Darwin^J-aw of Selec- 

 tion Three Ideas involved in Selection Selec- 

 tion is a Fact, not a Theory How much is 

 explainable by Selection? Galton^nji Weismann 

 Are Acquired Characters Transmitted ? Many 

 Cases of Supposed Transmission to be ex- 

 plained by Selection Paucity of Experimental 

 Evidence of such Transmission The Repro- 

 ductive and the Body Cells Reproductive Cells un- 

 affected by Local Changes in the Body Cells 

 Constitutional Changes may, though they rarely 

 do, affect the Reproductive Cell The Facts of 

 Evolutive Selection known to the Gardener and 

 Breeder - 19 43 



