Mr. Weller having obtained leave of absence from Mr. Pickwick, who, in his then state of excitement and worry, was by no means displeased at being left alone, set forth, long before the appointed hour, and having plenty of time at his disposal, sauntered down as far as the Mansion House, where he paused and contemplated, with a face of great calmness and philosophy, the numerous cads and drivers of short stages who assemble near that famous place of resort, to the great terror and confusion of the old-lady population of these realms. Having loitered here, for half an hour or so, Mr. Weller turned, and began wending his way towards Leadenhall Market, through a variety of by-streets and courts. As he was sauntering away his spare time, and stopped to look at almost every object that met his gaze, it is by no means surprising that Mr.