For a considerable number of years I had been a resident in London, which city I regarded alternately as my Paradise and my House of Bondage. I am by no means one of those who are always ready to fling opprobrious epithets at London, such as 'a pestilent wen, ' a cluster of 'squalid villages, ' and the like; on the contrary, I regard London as the most fascinating of all cities, with the one exception of that city of Eternal Memories beside the Tiber. But even Horace loved the olive-groves of Tivoli more than the far-ranged splendours of the Palatine; and I may be pardoned if an occasional vision of green fields often left my eye insensitive to metropolitan attraction