'Would anybody believe, ' continued the cab-driver, appealing to the crowd, 'would anybody believe as an informer'ud go about in a man's cab, not only takin' down his number, but ev'ry word he says into the bargain' (a light flashed upon Mr. Pickwick-it was the note-book).'Did he though?' inquired another cabman.'Yes, did he, ' replied the first; 'and then arter aggerawatin' me to assault him, gets three witnesses here to prove it. But I'll give it...