Contents. 



CHAPTER IX. 

 Criticisms of the Theory of Natural Selection 



PAGE 



333 



CHAPTER X. 



The Theory of Sexual Selection, and Concluding 



Remarks ..... ... 379 



Appendix to Chaptkr V. 

 Note A to Page 257 

 Note B to Page 295 

 Note C to Page 394 

 Index 



421 

 443 



445 



448 



45' 



