In the Notes of the Quarter for October last it was stated that, owing to the exceptional character of two recent publications, a critical notice of them would be deferred to the January number of the Royal Asiatic Society's Journal. These were Dr. Sachau's edition of Al Beruni's India in the Arabic original, and the Introduction and second fasciculus, Part I. of Howell's Arabic Grammar. Neither issue could be dismissed with a hasty line of approval, however unqualified, nor were the names of the authors, however distinguished, and abstract of title-pages, sufficient—in respect of the particular volumes under reference—to convey, to the world without, a clear notion of the long and continuous labour the result of which had been placed at the disposal of Orientalists in Europe. Further consideration led to the conclusion that a separate article might with propriety be devoted to the first of the two works named—both important additions to the library of Arabic scholars.