bold = Main text
  Part,  Chapter, Paragraph, N., Pag.                          grey = Comment text

1 Intr,     4          XXIV|       guided and sustained in its spontaneous movement. Emigration turns
2    1,     2            36|           all selections, must be spontaneous if it is to be advantageous;
3    1,     2            38|          things: “The question of spontaneous and instigated immigration,
4    1,     2            38| themselves, therefore, to receive spontaneous immigration. They did not
5    1,     2            40|      immigration that is entirely spontaneous, when regions better situated
6    1,     2            48|       emigration, because just as spontaneous emigration is good so is
7    1,     2            48|      emigration harmful.~Good, if spontaneous, because it is one of the
8    1,     8           133|      activity among themselves by spontaneous selection.~I do not mention