10. All these three sorts of breaths, are perceived at the place from where the apána takes its rise, and this is at the distance of twelve inches below on the outside of the tip of the nose.
11. Hear now, O great minded sage! what the clear minded adepts have said, respecting the natures of the ever continuative and effortless. (i.e. self respiring) breathings.
12. Know sir, that the air which is inhaled from the distance of twelve inches on the out side of the tip of the nose, the same receives of its own nature the name of puraka or that of another.
13. As the outer part of a pot planted in the earth appears to sight, so the apána breath stretching to the distance of twelve inches just opposite to the tip of the nose in the air on the out side, is perceptible to the yogi, and is called Kumbhaka by the learned.
14. The exhaling air which rises from the heart, and extends to the tip of the nose, is styled the primary and external puraka breath ([Sanskrit: ádyah váhyapúrakam]) by the adepts in Yoga practice.
15. There is another (or secondary) external puraka air known to the wise, which takes its rise from the tip of the nose, and extends to the distance of twelve inches out-side of it.
16. After the prána breath sets out-side the nostrils, and before the apána breath has yet its rise, this interval of the entire abeyance of both, is known as the state of perfect equalization, and termed the external Kumbhaka.
17. The air which breathes out in the heart or pulsates within it, and without the rising of the apána breath; is styled the external rechaka in the Yoga system; and its reflection confers perfect liberation to man.
18. And this rising at the distance of twelve inches, in another kind of it and called the strong rechaka.
19. There is another kind of puraka, which is on the outside of the apána; and when it stretches to the inside of the navel within, it is known under the names of Kumbhaka &c.