behind, upon the right-hand horn, you must paint her husband Tithonus, and on the left her lover Cephalus. Tithonus should be an old man white as snow, on an orange-coloured bed, or rather, in a cradle, according to those who make him, on account of his great age, once more a child; and he should be shown in the act of holding her back, or gazing on her with amorous eyes, or sighing after her, as if her departure grieved him. Cephalus must be a most beautiful young man dressed in a doublet girt at the waist, with his buskins on his feet, with the spear, which must have the iron head gilded, in his hand, and with a dog at his side, in the act of entering into a wood, as if caring nothing for her by reason of the love that he bears to his Procris. Between Cephalus and Tithonus, in the space with the great window, behind the Aurora, there must shoot upwards some few rays of the sun, of a splendour more vivid than that of the Aurora; but these must be cut off, so as not to be seen, by a large figure of a woman who must appear before them. This woman shall be Vigilance, and she must be so painted that it may appear that she is illumined from behind by the rising sun, and that, in order to forestall him, she is entering into the chamber by the great window that has been mentioned. Let her form be that of a tall, valorous, and splendid woman, with the eyes well open and the brows well arched; dressed down to the feet in a transparent veil, which is girt at the waist; leaning with one hand on a lance, and with the other gathering together a fold of her gown. Let her stand firmly on the right foot, and, holding the left foot suspended, appear from one side to be rooted to the ground, and from the other to be ready to step out. Let her raise her head in order to gaze at Aurora, and appear to be angry that she has risen before her; and let her have on the head a helmet with a cock upon it, which shall be in the act of beating its wings and crowing. All this must be behind the Aurora; and in front of her, in the heaven of the concave oval, I would make certain little figures of girls one behind another, some more bright and some less bright, according as they are more or less near to the light of the Aurora, in order to represent the Hours which go before her and the sun. These Hours shall be painted with the vestments, garlands, and headdresses of virgins, and winged, with the hands full of flowers, as if they were scattering these about. [Footnote 23: White, vermilion, and orange.]