Book, Paragraph

 1   I,  3 |         air from water, why are clouds not formed in the upper
 2   I,  3 |       their heat and so prevent clouds from forming near the earth.
 3   I,  3 |     forming near the earth. For clouds gather at the point where
 4   I,  3 |        must take the reason why clouds are not formed in the upper
 5   I,  3 |        be that the formation of clouds in that upper region is
 6   I,  3 |          So much to explain why clouds are not formed and why the
 7   I,  10|       does in the region of the clouds.~
 8   I,  12|      greater and it thrusts the clouds further up from the earth.
 9   I,  12|        on high mountains. Again clouds have often been observed
10   I,  12|       Sometimes, too, when such clouds have been seen, without
11   I,  12|        of the country cools the clouds quickly.~So much for an
12   I,  13|     more than the region of the clouds would be) if we were to
13  II,  3 |       always be included in the clouds and the water that are formed
14  II,  3 |     world because it drives the clouds away before it, but in the
15  II,  4 |        degree and quantity that clouds and winds appear in their
16  II,  4 |        dry evaporation when the clouds are driven together and
17  II,  4 |    the-west and the east. Hence clouds collect on either side,
18  II,  4 |       its presence if there are clouds or a mist, for their motion
19  II,  6 |         they also blow away the clouds that are forming and leave
20  II,  6 |        strong they condense the clouds before driving them away.~
21  II,  6 |         himself as Caecias does clouds."~When they cease, winds
22  II,  6 |       covers the sky with heavy clouds, Lips with lighter ones.
23  II,  6 |          being ejected when the clouds contract. Some of these
24  II,  8 |      darkened in the absence of clouds, and that there is sometimes
25  II,  9 |          and the density of the clouds is highest at their upper
26  II,  9 |       it is squeezed out as the clouds contract, and collides in
27  II,  9 |    course with the neighbouring clouds, and the sound of this collision
28  II,  9 |      flame in a body. So in the clouds, the exhalation is projected
29  II,  9 |         and its impact on dense clouds causes thunder: the variety
30  II,  9 |         the irregularity of the clouds and the hollows that intervene
31  II,  9 |         is actually fire in the clouds. Empedocles says that it
32  II,  9 |         rays intercepted in the clouds is the cause of these phenomena
33  II,  9 | earthquake under it, and in the clouds thunder. The essential constituent
34  II,  9 |      causes earthquakes; in the clouds, when they are in a process
35 III,  1 |         case is the same in the clouds as far as the beginning
36 III,  1 |      and then descends, because clouds are always densest on the
37 III,  4 |      raining and the air in the clouds is in process of forming
38 III,  4 | smoother, why the reflection of clouds in water is darker than
39 III,  4 |        water is darker than the clouds themselves. This latter
40 III,  6 |       described, when there are clouds near the sun and sight is
41 III,  6 |  surface to the cloud. Here the clouds themselves are colourless