Contents 

 CHAPTER XX 



HEREDITY 



i. The facts of heredity — 2. Theories of heredity, historical retrospect — 

 3. The modern theory of heredity — 4. The inheritance of acquired 

 characters— 5. Social and ethical aspects — 6. Social inheritance 



Pages 320-339 



APPENDIX I 



ANIMAL LIFE AND OURS 



A. Our relation to animals : 1 . Affinities and differences between man 

 and monkeys — 2. Descent of man — 3. Various opinions about the 

 descent of man — 4. Ancestors of man — 5. Possible factors in the 

 ascent of man. B. Our relation to Biology : 6. The utility of 

 science — 7. Practical justification of biology— 8. Intellectual 

 justification of biology . , . 34°-35° 



APPENDIX II 



SOME OF THE BEST BOOKS ON ANIMAL LIFE 



A. Books on "Zoology"- — B. Books on "Natural History — C. Books 

 on "Biology" . . 35 I- 369 



Index , 371-375 



