The First Part

VI.

Since the eye is one of the main parts of the sight, I will therefore begin to talk about it, showing you with an easy figure, which you will conform to, that the figures A & B show you. That is, by an oval figure, which is divided into two equal parts by a perpendicular line C D, and then form a circle in the way shown in my third figure M for which you will know how the eye will be in the actual form. You will take half of B C D, which represents the proportion of the eye in profile, and for this reason, I shall show you this next with a figure, showing that the face is another principal part, also. I will demonstrate with a triangle figure, using the letters E F G, which I call a triangle, as the triangle in my third figure is divided by a perpendicular line from letter E AH. In this triangle, I write a circle, forming a semi-circle touching the line from E to G, and this semi-circle forms the middle of the profile of the nose, and with a triangle, as marked with letters I K & L for the third part of the face. Additionally, I draw the lips with a line not perfectly straight but following the representation of M N & N, which shows the figure O, representing the upper lip, and for the lower lips, I show a semi-circle with the letters P Q.

Translation Notes:

- Figura Ovo: A term used for an oval figure. Alternate translations could include 'egg-shaped' or 'elliptical'.