Along, busy street in San Francisco. Innumerable small shops lined it from north to south; horse cars, always crowded with passengers, hurried to and fro; narrow streets intersected the broader one, these built up with small dwellings, most of them rather neglected by their owners. In the middle distance other narrow streets and alleys where taller houses stood, and the windows, fire escapes, and balconies of these, added great variety to the landscape,...