LETTER LXXVI.

_Palais du Sénat Conservateur_, or _Luxembourg_ Palace--Mary of Medicis, by whom it was erected, died in a garret--It belonged to _Monsieur_, before the revolution--Improvements in the garden of the Senate--National nursery formed in an adjoining piece of ground --_Bastille_--_Le Temple_--Its origin--Lewis XVI and his family confined in this modern state-prison.