COISTTEJ^TS. 



PART I.— GENERAL EVOLUTION. 



I. — Evolution and its Consequences 



II. — The Origin of Genera 



III. — The Theory of Evolution 



IV. — The Hypothesis of Evolution, Physical and Metaphysical 



V. — The Method of Creation of Organic Forms . 

 VI. — Re^^iew of the Modern Doctrine of Evolution 



PAGE 



1 



41 

 124 

 128 

 173 

 215 



PART II.— STRUCTURAL EVIDENCE OF EVOLUTION. 



VII. — The Homologies and Origin of the Types of Molar Teeth of the 



Mammalia Educabilia . .241 



VIII. — The Relation of Man to the Tertiary Mammalia . . . 268 



IX. — The Developmental Significance of Human Physiognomy . . 281 

 X. — The Evidence for Evolution in the History of the Extinct 



Mammalia 294 



XI. — The Evolution of the Vertedrata, Progressive and Retrogres- 

 sive 314 



PART IIL— MECHANICAL EVOLUTION. 



XII. — The Relation of Animal Motion to Animal Evolution 

 XIII. — On the Trituberculate Tooth in the Mammalia . 

 XIV. — The Origin of the Specialized Teeth of the Carnivora 



XV. — The Origin of the Foot Structures of the Ungulates 

 XVI. — The Effect of Impacts and Strains on the Feet of Mammalia 



350 

 359 

 363 

 368 

 373 



