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4 Pages in Charles Darwin's Library associated with "fauna - Papilio machaon"

  1. über den Einfluss der Isolirung auf die Artbildung.
    By: Weismann, August.
    Publication info: Leipzig :W. Engelmann,1872.
    Pages: Page 67  Page 76  Page 77  
  2. über die Berechtigung der Darwin'schen Theorie.
    By: Weismann, August.
    Publication info: Leipzig :W. Engelmann,1868.
    Pages: Page 11