text:  Speaking of this power of "invention " he says--after having as we conceive mistaken the aim of Raffaelle in his Madonnas and Holy families which was somewhat beyond even the "charities of father son and mother"--"Nor shall I follow it in its more contaminated descent to those representations of local manners and national modifications of society whose characteristic discrimination and humorous exuberance for instance we admire in Hogarth but which like the fleeting passions of the day every hour contributes something to obliterate which soon become unintelligible by time or degenerate into caricature the chronicle of scandal the history-book of the vulgar