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This number of the Acta of the Japanese Ophhalmological Society, a voluminous volume of nearly 700 pages, commemorates the fifteenth year of teaching of Professor Ichikawa, and furnishes an excellent photograph of the recipient of this festschrift. There are fifty articles published in Japanese, many with beautiful illustrations, and a short summary of these articles in German. Particular attention may be drawn to the following:
Dr. S. Ibata, of Kyoto, discusses avitaminosis in albino rats and gives a description of the changes in the retina observed by lipoid staining. Young white rats were fed with a diet poor in vitamin A, so that they were suffering from avitaminosis ; the eyeballs were subjected to histologic examination. The author has also endeavored to determine whether there is any morphologic condition between the light and the dark adapted retina. In this work he used various lipoid stains. The result showed that