Such a staircase, with its accessories, in the older and more crowded parts of Paris, would be bad enough now; but, at that time, it was vile indeed to unaccustomed and unhardened senses. Every little habitation within the great foul nest of one high building⁠—that is to say, the room or rooms within every door that opened on the general staircase⁠—left its own heap of refuse on its own landing, besides flinging other refuse from its own windows. The uncontrollable and hopeless mass of decomposition so engendered, would have polluted the air, even if poverty and deprivation had not loaded it with their intangible impurities; the two bad sources combined made it almost insupportable. Through such an atmosphere, by a steep dark shaft of dirt and poison, the way lay. Yielding to his own disturbance of mind, and to his young companion’s agitation, which became greater every instant, Mr.