Chapter

 1 3 |   once fit for enduring the air, inasmuch as they have come
 2 3 | course of birds through the air, that you should be without
 3 8 |    or in the tension of the air together with the eyesight;
 4 8 |    with our eyes, until the air, being extended together
 5 11| inflated, and admitting the air, so that it might gradually
 6 11|     breath; while the vital air is spread through that thinness,
 7 11|    receptacles,--one of the air which nourishes the soul,
 8 11| lest, drawn by pestilential air, it should come with impetuosity
 9 11|    endure the heat, the hot air is taken in by the mouth;
10 11|     may be able to draw the air through the mouth, lest,
11 15|      define the voice to be air struck by the breath; from
12 17|     drawing breath from the air. Varro gives this definition: "
13 17|    definition: "The soul is air conceived in the mouth,
14 17|     says, that it is frozen air, must I at once assent because
15 17|   Therefore the soul is not air conceived in the mouth,
16 17|     is produced much before air can be conceived in the