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4 Pages in Charles Darwin's Library associated with "places - hemisphere N, northern"

  1. On the variation of species
    By: Wollaston, Thomas Vernon,
    Publication info: London, John Van Voorst, 1856
    Pages: Page 38  Page 38  
  2. über den Einfluss der Isolirung auf die Artbildung
    By: Weismann, August,
    Publication info: Leipzig, W. Engelmann, 1872
    Pages: Page 65  Page 65