61 HAND-BOOK OP WASHINGTON. number of valuable volumes, acquired collections in the way of natural history and scientific as well as general literature which are very valuable and very interesting, and engaged distinguished men to deliver lectures. The great library room when completed will be capable of holding one hundred thousand volumes. The building is supplied with a lecture room, which will seat twelve hundred persons; and its Museum, when completed, will be two hundred feet long, and filled with the wonders of nature and art from all parts of the world: its rooms for Chemical experiments will be more spacious and convenient than any to be found in the country: and in the western wing which is one hundred and twenty feet long, will hereafter be located a gallery of Art. The col lection of Indian pictures now on exhibition there is the property of Mr. Stanley the artist. THE WASHINGTON MONUMENT. As this Structure is not yet finished, we will not describe it as it is, but as it will be when com pleted, according to the design adopted by the Board of Managers. It stands on the Mall, be tween the President’s House and the Potomac,