Book,  Paragraph

 1   I,  18|         it is clear that if this theory were true the seed would
 2   I,  18|        by the supporters of this theory. For if blood is formed
 3   I,  18|         the parent? Indeed, this theory seems to be the same as
 4   I,  18|        act, but it ought, on the theory, to be in each of the parts,
 5  II,  1 |           And otherwise also the theory is strange and fictitious.~
 6  II,  4 |    difficulties involved in this theory, it results from it that
 7  II,  8 |      different animal]. Now this theory is too general and empty.
 8  II,  8 |         basis of this particular theory is not true, for many animals
 9 III,  10| generation of bees, judging from theory and from what are believed
10  IV,  1 |        another. This is a better theory, for certainly Empedocles
11  IV,  1 |          is impossible. Thus the theory of Democritus would be the
12  IV,  1 |          the cause, since on his theory both these twins would have
13  IV,  1 |       the same way as we did the theory of Empedocles, which accounts
14  IV,  3 |        derived most. Though this theory is obscure and in many ways