﻿THE 
  ORIGIN 
  OF 
  SPECIES 
  

  

  The 
  origin 
  of 
  species 
  is 
  a 
  natural 
  phenomenon. 
  

  

  LAMARCK. 
  

  

  The 
  origin 
  of 
  species 
  is 
  an 
  object 
  of 
  inquiry. 
  

  

  DARWIN. 
  

  

  \ 
  

  

  The 
  origin 
  of 
  species 
  is 
  an 
  object 
  of 
  experi- 
  

   mental 
  investigation. 
  

  

  