Book,  Paragraph

 1   I,  4 |         preserving the folding back of the passages in the vivipara,
 2   I,  5 |     quadrupeds, mount upon the back of the female, but they
 3   I,  13|        either the front or the back of the body. To take the
 4   I,  13|        but at the loin and the back in ovipara. All animals
 5   I,  13|   hypozoma by the loin and the back, but as it advances is low
 6   I,  13|        the ducts adhere to the back and the region of the spine.
 7   I,  13| character of the region of the back, which gives continuity
 8   I,  14|     with the belly against the back. The males have fine spermatic
 9   I,  15|       the male mounting on the back of the female, but whether
10   I,  18|      right and left, front and back parts have been "sundered"?
11  II,  1 |      the final cause, takes us back to a principle still further
12  II,  4 |  uterus this must then draw it back again into itself if it
13  II,  5 |         so to say, and turning back to the point from whence
14  II,  5 |       and that of perishing is back again from the existent
15 III,  7 |     has been said both further back and in our recent discussions,
16 III,  8 |        alone has its front and back pointing in the same direction.
17   V,  3 |       first on these or on the back of the head. Some such affections
18   V,  4 |     temples first, because the back of the head is empty of