Book,  Paragraph

 1   I,  19|    condition about the time of producing eggs, for, because they
 2   I,  20|    that are viviparous without producing eggs first (such are man
 3   I,  20|   these are viviparous without producing eggs)—all these have the
 4   I,  21|      hen-bird is in process of producing wind-eggs and is then trodden
 5  II,  6 |       if Nature were a painter producing a work of art, for painters,
 6  II,  7 |   Libya, that "Libya is always producing something new", is said
 7 III,  1 |        nutriment is used up in producing young. And other birds are
 8 III,  10|       were made with a view to producing young, should remain within,
 9  IV,  4 |  appear very rarely in animals producing only one young one, more
10  IV,  4 |       more frequently in those producing many, most of all in birds
11  IV,  4 |       also being oviparous and producing many young. Monstrosities,
12  IV,  4 | another nature. But in animals producing many young not only do the
13  IV,  6 |     which lay few eggs without producing abundant nourishment along
14   V,  3 |       alike being incapable of producing seminal secretion. Eunuchs