Book, Paragraph

 1   I,  1 |     outlets of the nostrils; air and water being the materials
 2   I,  1 |  auger; the physiologist, by air and by earth. Of these two
 3   I,  1 |    of heat and the inflow of air are necessary if we are
 4   I,  1 |   and discharge of the outer air, and this is a necessity
 5  II,  1 |     elements, such as earth, air, water, fire. Perhaps, however,
 6  II,  1 |     asserting this one to be air and that other to be fire.~
 7  II,  5 |      due to a combination of air and fire. It follows from
 8  II,  7 |  soon as it reaches the cold air that is above the earth,
 9  II,  10|   the empty space is full of air, and the organ of hearing
10  II,  10|     we say, of the nature of air. Now there are channels
11  II,  13|   now they live on land, the air in which they move is transparent
12  II,  13|      this advantage over the air, that it does not contain
13  II,  16|  through which they can draw air from above the water, and
14  II,  17| animals that live not in the air but on the earth, their
15 III,  3 |     inhale and discharge the air. Therefore it is that, when
16 III,  6 | cooling agent must be either air or water. In fishes the
17 III,  6 |   that breathe are cooled by air. These therefore are all
18 III,  6 | terrestrial and that inspire air being nevertheless of such
19 III,  6 |     among inhabitants of the air, the animals known as birds.