'I suppose the place you're going to is quite a representative den?' he said. 'Would you mind taking me with you--I should like to see it, and I should like to help a little through you, who know these poor people? I suppose it isn't very far? But of course it is not, down by the landing-stage. I should hardly have thought there were dens of that kind down there in the region of the great wharves and warehouses.' 'That's just where they swarm,' said the stranger in a bold tone of assertion, 'as you will see' (he stepped out briskly as he spoke). 'I will show you several as we go down to the one my business lies in.' The night had fallen rapidly; there was no moon, and though the stars were coming out, there was a considerable drift of cloud, so that the sky was gloomy. As the two men walked side by side along the lighted streets, Mr. Foster found himself occasionally outstripping his companion, with whom he was talking familiarly, not exclusively upon topics which had previously engaged them, but with reference to the aspect of Liverpool. On each occasion of the kind he apologised; on the first the stranger complained of a slight lameness, which prevented his keeping up with the alert step of the strange gentleman. The slowness and the slouchingness of his gait certainly did not decrease during their long walk; their progress was tediously slow; and Mr. Foster would probably have been surprised at the lateness of the hour, had it occurred to him to think about it. The city was settling down into the silence produced by the general evacuation of its business quarters before that walk commenced. By the time the two turned on Water-street--along the great line of the warehouses past which the sailor who had been Mr. Foster's fellow-traveller from London on the previous day had taken his way the night before--that part of Liverpool was as silent as the City of London at midnight. It presented somewhat of a similar aspect, from a picturesque point of view, of a great centre of wealth and business in isolation and inaction. With this aspect of London Mr. Foster was well acquainted. One of the sights and sensations he had procured for himself some time before was 'the City'--properly so called--when nobody is in it; and Liverpool was now affording him a similar study; but the locality was entirely new, and very shortly Mr. Foster was quite bewildered, and had lost all notion of where he was. Out there lay the river, on the other side of the town, and the great buildings stretched endlessly under the frowning sky, like a giant wall between him and its life.