CHAPTER I. THE old Archiepiscopal Palace of Lambeth, on the southern bank of the Thames—with its Bishop's Walk and Garden, and its terrace fronting the river—is an architectural relic of the London of former times, precious to all lovers of the picturesque, in the utilitarian London of the present day. Southward of this venerable structure lies the street labyrinth of Lambeth; and nearly midway, in that part of the maze of houses which is placed nearest to the river, runs the dingy double row of buildings now, as in former days, known by the name of Vauxhall Walk. The network of dismal streets stretching over the surrounding neighborhood contains a population for the most part of the poorer order. In the thoroughfares where shops abound, the sordid struggle with poverty shows itself unre