Eye." Between 1907 and 1925 he co-operated with Sir Henry Swanzy in producing a ninth and tenth edition, and on the death of his colleague, he produced three further editions under his own name. The sections in these which deal with optics and neurology are almost solely his own work. A further notable contribution are his beautiful paintings of external diseases and fundus conditions. Among his many and various communications recorded in the Transactions, perhaps the most interesting are a

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... t paper published in 1886, in which he identified the condition "Infiltration vitreuse de la retine" described by Masselon in 1884 with "Central guttate choroiditis ": a note on a case of subconjunctival cysticerus (Taenia Solium) published in 1889; and a paper describing a case of " Intra-ocular echinococcus cyst with brood capsules " published in 1903. This last, illustrated by the author's excellent drawings of the macro-and microscopical appearances, together with microphotographs, has been accepted as the classical description of a condition which is of exceeding rarity in the British Isles. Louis Werner's reputation in Ireland stood deservedly high. He held many public appointments, including that as Professor of Ophthalmology at University College, Dublin. His enormous private practice was evidence of the confidence that he inspired in the general public. He had a most retentive memory, and a clear logical mind, characterised by a remarkable rapidity of thought. This rapidity also characterised his operative technique, which was of a very high order. It was a revelation to see him perform a cataract extraction. He had completed the operation, almost before those around had quite realised that he had begun. He never lost his interest in intellectual pursuits. The fact that he took up the study of Russian, when over sixty years of age, is a proof of unusual mental vitality. His retirement from the " Eye and Ear" in 1934 came at the completion of fifty years of hospital work-surely a notable record of public service. He was a man of simple tastes. He loved music, and was a violinist of no mean order. To see him as the centre of his happy home, circle was to see him at his best.