Nous y voilà! There we are!; There you go
80. — 7. écus, crowns. See note to page 19, line 2. 20. de messieurs ses pères, of his worthy ancestors.
24. La bande noire a bon nez, The land specvlators have a good scent (for bargains). Bande noire, "black band," was the name given to the speculators who bought up property confiscated during the French Révolution, and destroyed many works of art to obtaîn building material (Webster's New International Dictionary).
29. le parc, the park, a pièce of ground, kept in its natural state, about or near a résidence, as for the préservation of game, for riding, or the like.