CONTENTS 



Special Examples of Geoloejie Surression 623 

 S\n[h(-lic Types 630 

 Geoe;raphic Distribution 631 

 EVIDENCE FROM MORPHOI.OGN' 632 



Comparative Anatom\' of Adults 632 

 Comparative Embr\'oloa;\' 633 

 EVIDENCE FROM PHYSIOLOGY 634 



EVIDENCE FROM DOMESTICATION AND SELECTIVE BREEDING 636 

 SUMMARY OF EVIDENCE FOR ORGANIC EVOLUTION 637 

 HUMAN EVOLUTION 637 

 Man as a Primate 637 

 Evidence from Fossils and Artifacts 638 

 THEORIES CONCERNING ORGANIC EVOLUTION 646 



Lamarck's Theory of the Inheritance of Acquired Characteristics 646 

 Darwin's Theory of Natural Selection 647 

 PRESENT-DAY CONCEPTS OF THE MECHANISM OF ORGANIC EVOLUTION 651 

 SUMMARY 654 



GLOSSARY 657 



INDEX 679 



