Book,  Paragraph

 1   I,  11|       even as it is there is difficulty with women if they draw
 2   I,  18|  Besides all this there is a difficulty if the sex is determined
 3  II,  1 |      There is a considerable difficulty in understanding how the
 4  II,  1 |     try, then, to solve this difficulty, for perhaps some one of
 5  II,  2 |      water.~This then is the difficulty. If it is water, water evidently
 6  II,  3 |     question of the greatest difficulty, which we must strive to
 7  II,  4 |      from the matrix.~Here a difficulty may be raised. If the blood
 8  II,  5 |  there is a good deal in the difficulty stated is plain in the case
 9  II,  5 |    But this still involves a difficulty; in what way are we to say
10  II,  6 |  large and fluid.~There is a difficulty about what happens with
11  II,  6 |     the brain is formed with difficulty; for it is at a late period
12  II,  6 |      then.~About the teeth a difficulty may be raised. They have
13  II,  8 |   own species. Thus when the difficulty of a cross contrary to nature
14  II,  8 |  their own species they with difficulty produce a single young one),
15 III,  1 |     birds of prey do so with difficulty.~Small birds also tread
16 III,  2 |     principle of the seed.~A difficulty may be raised about the
17 III,  5 | organs, others a uterus. The difficulty which drives some thinkers
18 III,  10|             10~There is much difficulty about the generation of
19 III,  10|    as it is this much of the difficulty has been solved, for the
20  IV,  3 |    small so that there is no difficulty in both concurring, for
21  IV,  4 |     imparted by the semen.~A difficulty may be raised concerning (
22  IV,  4 |    and some only one; in the difficulty now stated we may rather
23  IV,  6 |    which depends the ease or difficulty of child-birth. These circumstances
24  IV,  7 |     of want of concoction.~A difficulty is raised as to why this
25   V,  1 |    sensation. But there is a difficulty about the earliest period
26   V,  1 |      too much so as to cause difficulty of movement.~Not only the
27   V,  7 |      being quick, there is a difficulty in knowing whether it is
28   V,  7 |     false.~The reason of the difficulty is that the words "great"