xii TABLE OF CONTENTS 



PART II. EVIDENCES OF ORGANIC EVOLUTION 



PAGE 



Chapter IV. Is Organic Evolution an Established Principle? . 57 



Chapter V. The Fundamental Assumption Underlying All Evi- 

 dences OF Evolution 61 



Chapter VI. Evidences from Morphology (Comparative Anat- 

 omy). George John Romanes 66 



Chapter VII. Evidences from Classification loi 



The Principles of Classification. A. F. Shull loi 



The Method of Classification. Charles Darwin ...... 104 



What Is a Species? 105 



Chapter VIII. Evidence from Blood Tests. W. B. Scott . . . 108 



Chapter IX. Evidences from Embryology 113 



The Facts of Reproduction and Development 113 



Outline of Animal Development. D. S. Jordan and V. L. Kellogg . 114 



Chapter X. Critique of the Recapitulation Theory. W.B.Scott 122 



Chapter XL Evidences from Palaeontology 132 



Strength and Weakness of the Evidence 132 



Other Opinions as to the Adequacy of the Evidences from Palae- 

 ontology 133 



What Fossils Are and How They Have Been Preserved .... 134 



Fossils Classified 134 



On the Conditions Necessary for Fossilization 135 



On the Lapse of Time during Which Evolution Is Believed to Have 



Taken Place 138 



On the Principal General Facts Revealed by a Study of the Fossils 140 



Fossil Pedigrees of Some Well-known Vertebrates 141 



Pedigree of the Horse 141 



Pedigree of the Camels. W . B. Scott 144 



Evolution of the Elephants. A. Franklin Shidl 147 



yj Chapter XII. The Evolution of Man: Palaeontology. Richard 



Swann Lidl 152 



Origin of Primates "" 152 



Origin of Man 153 



Fossil Man 155 



Evidences of Human Antiquity 165 



Future of Humanity 166 



Chapter XIII. Evidences from Geographic Distribution. . . 168 



Principles of Geographic Distribution 168 



Some of the More Significant Facts about the Distribution of 



Animals 172 



