attacked, but soon recommenced work, and remained until the cholera disappeared. His treatment consisted in giving camphor in the first stage, and ipecacuanha and arsenic subsequently. At length, in July 1832, he settled in London at 19 King Street, St. James's, re- moving in 1833 to 13 Stratford Place, and introduced the homeopathic system into this country. The medical journals denounced him as a quack, but he made numerous converts, and his practice rapidly grew, owing as much to his attractive personality as to his medical skill. But the professional opposition was obstinately prolonged. In February 1838, when Quin was a candidate for election at the Athenæum Club, he was opposed by a clique of physicians, led by John Ayrton Paris, who privately attacked Quin with a virulence for which he had to apologise. From 26 June 1845 he was medical attendant to the Duchess of Cambridge. In 1839 Quin completed the first volume of his translation of Hahnemann's Materia Medica Pura, but a fire at his printers' destroyed the whole edition of five hundred copies, and failing health prevented him from reprinting the work. In 1843 he established a short-lived dispensary, called the St. James's Homœopathic Dispensary. In 1844 he founded the British Homeopathic Society, of which he was elected president. Chiefly through his exertions the London Homeopathic Hospital was founded in 1850. It became a permanent institution, and is now located in Great Ormond Street. On 18 October 1859 he was appointed to the chair of therapeutics and materia medica in the medical school of the hospital, and gave a series of lectures. Quin was popular in London society. In aristocratic, literary, artistic, and dramatic circles he was always welcome. He was almost the last of the wits of London society, and no dinner was considered a success without his presence. His friends included Charles Dickens, William Thackeray, the Bulwers, Macready, Landseer, and Charles Mathews. In manners, dress, and love of high-stepping horses he imitated Count D'Orsay. After suffering from severe and chronic asthma and arthritis, which resulted in retirement from medical practice, he died of bronchitis at the Garden Mansions, Queen Anne's Gate, Westminster, on 24 November 1878, and was buried in Kensal Green Cemetery on 28 November. Works Du Traitement Homœopathique du Choléra avec notes et appendice, Paris, 1832, dedicated to Louis-Philippe. Pharmacopœia Homœopathica, 1834, dedicated to the king of the Belgians. He also wrote a