In The Feast of the Gods, how is the Alterations discussed?
It had been suggested that Bellini made a preliminary set of alterations before or soon after 1514 to make the painting more compatible with the original Latin of Ovid, having previously been working from an Italian Ovidio volgarizzato version, and that at this point Bellini changed most of the characters to gods rather than people from Thebes, giving them attributes and lower necklines for the women.  But this view was based on a misunderstanding of the early x-rays taken in 1956. It is now thought that the figures are as originally painted by Bellini. Bellini died in 1516, soon after completing the painting, and some years later Dosso Dossi and perhaps Titian modified the landscape on the left to match it to his The Bacchanal of the Andrians (1518–1523), also in Alfonso's Camerino, adding the rocky hill behind the figures and the brighter foliage on a tree at the right.  A more thorough reworking by Titian in about 1529 added more landscape, overpainting the earlier changes.  But all the work on the figures remains Bellini's. A pheasant in a tree on the right, above Priapus, may have been painted by Alfonso himself, an amateur painter.
The Bacchanal of the Andrians Titian Thebes Ovid left Priapus Dosso Dossi