CONTENTS. 



*** This Table of Contents, and the copious Index to the volume, wore 

 obligingly prepared by the Eev. G. F. WEIGHT, of Andover. 



ARTICLE I. 



THE ORIGIN OF SPECIES BY MEANS OF NATURAL SELECTION. 



PAGE 



Views and Definitions of Species. How Darwin's differs from that 

 of Agassiz, and from the Common View. Variation, its Causes 

 unknown. Darwin's Genealogical Tree. Darwin and Agassiz 

 agree in the Capital Facts. Embryology. Physical Connec- 

 tion of Species compatible with Intellectual Connection. How 

 to prove Transmutation. Known Extent of Variation. Cause 

 of Likeness unknown. Artificial Selection. Reversion. In- 

 terbreeding. Natural Selection. Classification tentative. 

 What Darwin assumes. Argument stated. How Natural Se- 

 lection works. Where the Argument is weakest. Objections. 

 Morphology and Teleology harmonized. Theory not athe- 

 istical. Conceivable Modes of Relation of God to Nature 9 



ARTICLE II. 



DESIGN Versus NECESSITY A DISCUSSION. 



How Design in Nature can be shown. Design not inconsistent 



with Indirect Attainment . 62 



