Fawkes' collection in order to see how the change in it was effected. That such a change would take place at one time or other was, of course, to be securely anticipated, the conventional system of the first period being, as above stated, merely a means of study. But the immediate cause was the journey of the year 1820. As might be guessed from the legend on the drawing above described, "Passage of Mont Cenis, January 15th, 1820," that drawing represents what happened on the day in question to the painter himself. He passed the Alps, then, in the winter of 1820; and either in the previous or subsequent summer, but on the same journey, he made a series of sketches on the Rhine, in body color, now in Mr. Fawkes' collection. Every one of those sketches is the almost instantaneous record of an effect of color or atmosphere, taken strictly from nature, the drawing and the details of every subject being comparatively subordinate, and the color nearly as principal as the light and shade had been before,—certainly the leading feature, though the light and shade are always exquisitely harmonized with it. And