Mr and Mrs Robert Drummond lived in a pretty house in the Kensington district; a house, the very external aspect of which informed the passer-by who they were, or at least what the husband was. The house was embowered in its little garden; and in spring, with its lilacs and laburnums, looked like a great bouquet of bloom-as such houses often do. But built out from the house, and occupying a large slice of the garden at the side, was a long room, lighted...