In the early part of 1863, while I was resident in London,--the first of the War Correspondents to go abroad,--I wrote, at the request of Mr. George Smith, publisher of the Cornhill Magazine, a series of chapters upon the Rebellion, thus introduced:-- "Few wars have been so well chronicled, as that now desolating America. Its official narratives have been copious; the great newspapers of the land have been represented in all its campaigns; private enterprise has classified and illustrated its several events, and delegates of foreign countries have been allowed to mingle freely with its soldiery, and to observe and describe its battles. The pen and.