Book,  Paragraph

 1   I,  12|     position because they also need shelter and a covering to
 2   I,  18|      parent, which is why they need intercourse with each other.~
 3   I,  20|     not in a pure state but in need of working up, as in the
 4   I,  23|    separate. For when there is need for them to generate the
 5  II,  8 |       contrary to nature, will need nothing further to make
 6 III,  1 |        prey is small, and they need the male to give an impulse
 7 III,  1 |       so that the impulse they need is but small when they are
 8 III,  1 |        these are imperfect and need the influence of the male
 9 III,  2 |     exposed to destruction and need the mother-bird. Nature
10 III,  10|     being smaller in size they need the fine weather more than
11 III,  11|   animals) there is no further need of the male principle, because
12 III,  11| secretion in most animals does need it. The nourishment again
13  IV,  1 |    from that of the father, we need an explanation of the fact
14  IV,  2 |     stated. However, they also need a certain correspondence
15  IV,  2 | artistic or natural product we need the due mean between the
16  IV,  2 |      failure. So also there is need of due proportion in the
17  IV,  4 |  female and that from the male need to stand in some proportionate
18  IV,  5 |     naturally, it is always in need of this intercourse. In