CONTENTS 



I. Introductory i 



11. Historical 9 



III. Evidence on Evolution . . 19 



1. From Comparative Anat- 



omy 21 



2. From Embryology ... 29 



3. From Geology .... 38 



4. From Zoogeography . . 47 



5. From Rudimentary Or- 



gans 53 



6. Conclusion 60 



IV. Factors in Evolution ... 65 



1. Prefatory 67 



2. Lamarckism 72 



3. Lamarckism criticized . 80 



4. Darwinism 100 



5. Darwinism criticized . . 113 



6. The Mutation Theory . .124 



V. Human Applications . . . 145 



VI. Reading References .... 175 



... / MSS^ \o\ 



fu 



