I observe that I left Calais in the banquette of the diligence at 6 P.M. on the Friday night, May 8th, 1835, and reached Paris at 3 A.M. on Sunday morning—thirty-three hours. I remember my great surprise at finding the entire way paved after the fashion that I had been accustomed to consider proper only for the streets of towns. We used for by far the greatest part of the way the unpaved spaces left on either side of the paved causeway. But the conductor told me that in winter they were ge............