death in child-birth of the Duchess Beatrice, was followed in Ludovico by one of those paroxysms of religious feeling which in him were constitutional. The low, gloomy Dominican church of Saint Mary of the Graces had been the favourite shrine of Beatrice. She had spent her last days there, full of sinister presentiments; at last it had been almost necessary to remove her from it by force; and now it was here that mass was said a hundred times a day for her repose. On the damp wall of the refectory, oozing with mineral salts, Lionardo painted the Last Supper. A hundred anecdotes were told about it, his retouchings and delays. They show him refusing to work except at the moment of invention, scornful of whoever thought that art was a work of mere industry and rule, often coming the whole length of Milan to give a single touch. He painted it, not in fresco, where all must be impromptu, but in oils, the new method which he had been one of the first to welcome, because it allowed of so many after-thoughts, so refined a working out of perfection. It turned out that on a plastered wall no process could have been less durable. Within fifty years it had fallen into decay. And now we have to turn back to Lionardo's own studies, above all, to one drawing of the central head at the Brera, which in a
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