For the coal seems not properly a fire, but a body enkindled and altered by the fire, which stays and remains in a solid firmly rooted mass; and whereas flames are the setting on fire and fluxions of a nutriment and matter, which is of a rare substance, and by reason of its weakness quickly dissolved and consumed; so that there could not be any more evident and plain argument to demonstrate that the moon is solid and earthly, than if her proper color were that of a coal. But it is not so, my friend Pharnaces; but in her eclipses she diversely changes her colors, which the mathematicians, determining with respect to the time and hour, thus distinguish. If she is eclipsed in the evening, she appears horribly black until the middle of the fourth hour of the night; if about midnight, she sends forth this reddish and fire-resembling color, and after the middle of the eighth hour, the redness disappears; and finally, if about the dawning of the morning, she takes a blue or grayish color; which is the cause why she is by the poets, and particularly by Empedocles, called Glaucopis. Since then they clearly see that the moon changes into so many colors in the shadow, they do ill to attribute to her only that of a burning coal, which may be said to be less proper to her than any other, being only a small remnant and semblance of light, appearing and shining through a shadow, her own proper color being black and earthy. And since that here below, red and purple garments, and rivers and lakes, which receive the rays of the sun, cause neighboring shady places to take the same appearances of colors and to be illuminated by them, casting and sending back by reason of reflections several rebated splendors; what wonder is it if a copious flux of shadow, falling as it were into an immense celestial sea of light, not steady and quiet, but agitated by innumerable stars, and besides admitting several mixtures and mutations in itself, takes from the moon the impression sometimes of one color, sometimes of another, and sends them hither to us? For it is not to be denied but that a star of fire cannot appear in a shadow black, gray, or violet; but there are seen upon hills, plains, and seas, several various resemblances of colors, caused by the reflection of the sun, which are the very tinctures that brightness mixed with shadows and mists, as if it were with painters’ colors, brings upon them. And as for the tincture or colors of the sea, Homer has indeed in some sort endeavored to name and express them, when he sometimes terms the sea violet-colored or red as wine, at other times the waves purple, and again the sea blue, and the calm white. As for the diversities of tinctures and colors appearing upon the earth, he has, I suppose, omitted them, because they are in number infinite. Now it is not probable that the moon has but one superficies all plain and even, as the sea; but rather that of its nature it principally resembles the