This time he was cast into a dungeon which looked out on to the moat, whose fetid vapours had a very injurious effect upon his health. To occupy his time and divert his thoughts, the unhappy prisoner undertook the taming of rats, and having from the branch of a bulrush made a primitive flute or flageolet, he played tunes upon it, an attention to which the little animals are said to have been by no means insensible. With marvellous patience and ingenuity, Latude now made tablets with the crumb of his bread, and wrote upon them with his blood. He had conceived certain plans of financial reform and of much-needed amelioration in various departments of state, and these he noted down as best he could by the difficult and painful means just mentioned. Finding how he was occupied, the governor was seized with compassion, and in his sympathy supplied the patient, intelligent prisoner with pen, ink, and paper. Latude now wrote day and night on all kinds of political and financial subjects. His suggestions were transmitted to the different ministers, less in the hope that they would be adopted than that their exposure would draw attention to the writer’s wretched state. One day Latude succeeded in getting a letter into the hands of Madame de Pompadour. It was in these words:--“On the 25th of this month of September, 1760, I shall have had 100,000 hours of suffering.” He thought for a moment that this pathetic utterance might restore him to liberty. But he had still 200,000 hours to count. [Illustration: THE VILLAGE, SALPÊTRIÈRE.] Permission was now given to him to walk on the terrace of the tower. He succeeded in awakening the interest of two young laundresses whose garret-windows looked out upon the walls of the Bastille; and one fine day in April, 1764, these girls, by means of large letters traced on a strip of paper, informed him that the woman who had persecuted him was dead. In his usual impulsive way, Latude now wrote to the Lieutenant of Police, telling him that he had heard of Mme. de Pompadour’s death, and that he trusted there was now some chance, after such prolonged tortures, of his being set at liberty. By way of reply, the lieutenant wished to know how he (Latude), of all the prisoners, was the only one that the news had reached. Determined not to compromise his kind-hearted informants, Latude refused to explain, upon which the lieutenant ordered that he should be watched more closely than ever. He was now put back in the dungeon, but soon afterwards, without any reason being assigned, was transferred to Vincennes. There a certain liberty was allowed him. Among other privileges he was permitted to walk in the garden, by which he soon profited to make his escape. The young laundress gave him asylum, and he now, with his unvarying imprudence, wrote to the Lieutenant of Police to request an audience. M. de Sartines took no notice of the application, except to have his correspondent arrested and taken back to Vincennes.