Book,  Paragraph

 1   I,  21|         female to the generative product is not the same as that
 2   I,  22|      which is made the resulting product. Not only must the mass
 3  II,  1 | potentially such as the finished product. Now the semen is of such
 4  II,  1 |   starting-point and form of the product; only it exists in something
 5  II,  1 |          of Nature exists in the product itself, issuing from another
 6  II,  4 |       beginning does it form the product of nature. For the material
 7  II,  6 |         or excess, the resulting product is in worse condition or
 8  II,  8 |      kind cannot be, because the product of male and female of the
 9  II,  8 |          be, because that is the product of horse and ass which are
10 III,  7 |        produce a scolex, for the product discharged by them is still
11 III,  9 |        caterpillars also and the product of spiders as a sort of
12 III,  11|     power, it is likely that the product of those testacea which "
13  IV,  1 |         abundant, but the useful product derived from it is small,
14  IV,  2 |          the artistic or natural product we need the due mean between
15   V,  1 |      whenever things are not the product of Nature working upon the