cipal subject in the original is a distinct loss to the translated edition, a loss for which the slight saving in space does not at all compensate. Each volume has its own index beside a general index at the end of the fifth volume which covers fifty pages and which is complete, enabling one quickly to find any subject desired. This well-known text-book, which has for so many years been a work of standard reference for the ophthalmologist, the neurologist and the practitioner of general

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... , is now reprinted, with additions, for the third time. The text has not undergone many alterations since the third edition was published, but the colored illustrations have been omitted. We must confess that we regard this innovation, in the reproduction of ophthalmoscopic pictures especially, as a decided improvement. The autotype plates, in making no pretense of reproducing the coloration of the fundi, are at least not misleading (as the colored plates were) and furnish a good idea of the changes in and the appearance of the ocular background. The original drawings are in sepia by the author and the collaboration of Mr. Marcus Gunn, the well-known ophthalmic surgeon, has further enriched the book. This valuable manual ought to be in the hands of every physician who desires to possess the great advantage of a knowledge of ophthalmoscopy as an indispensable help in the diagnosis of general disease.