"the owner was now some forty yards ahead of me, and was very soon lost in the crowd. i ran after him, and began calling out; but as i knew nothing to say excepting ‘hey!’ he did not turn round. suddenly he turned into the gate of a house to the left; and when i darted in after him, the gateway was so dark that i could see nothing whatever. it was one of those large houses built in small tenements, of which there must have been at least a hundred.