Vlli TABLE OF CONTENTS 



CHAPTER X 



PAGE 



Pbesent Aspects of the Theoey of Evolution . 278 



The struggle for existence. — Natural Beleotion. — Correlation of organs. — 

 Fortuitous variation. — Origin of the fittest. — Nageli's theory : Initial ten- 

 dency supreme. — Weismann and the Neo-Barwinians ; Natural selection 

 omnipotent. — The Neo-Lamarckians. — Comparison of the Neo-Darwinian 

 and the Neo-Lamarckian views. — "Individuality" the controlling power 

 throughout the life of the organism. — Transmission of special effects of use 

 and disuse. — Summary. 



Chaet Showing Sequence op Attainments and 



OF Dominant Functions 309 



Phylogenetic Chabt of the Animal Kingdom . 310 



Index 311 



