Book,  Paragraph

 1   I,  3 |         not testes at all, as the classes of fish and of serpents,
 2   I,  11|          they participate in both classes; for it is at once near
 3   I,  11|        low, participating in both classes.~Animals that are viviparous
 4   I,  13|          they participate in both classes, being at once oviparous
 5   I,  14|        generation. There are four classes still left to deal with,
 6   I,  16|          to make a distinction of classes. And generally it is the
 7   I,  18|         in which of the two other classes the semen is to be put,
 8  II,  1 |          previously stated.~These classes admit of much cross-division.
 9  II,  1 |         produce a scolex, for the classes overlap one another, (1)
10  II,  6 |       admits of division into two classes, (1) the origin of the movement, (
11  II,  7 | description applies to both these classes. (This should be studied
12 III,  1 |    Concerning the uterus of these classes of animals, what differences
13 III,  5 |     squeezed out of males of both classes at the right season. The
14 III,  5 |      degree, in fish. But in both classes these spontaneous eggs are
15 III,  11|         unlike those in the other classes. And this is what might
16  IV,  1 |   separately in all the different classes. But, since male and female
17  IV,  1 |      footless animals; I mean the classes of fish and of serpents.~
18  IV,  3 |           it is laid down in what classes of things action and reaction
19  IV,  4 |          Man belongs to all three classes, for he produces one only
20   V,  6 |        birds, fish, and the other classes of animals alike); others