---- | | | ] _May 3d_.--Early this morning the French naval captain, La Susse, called on me to take me in his boat to town, for the purpose of going to Senhor Luis Jose's house in the Rua do Ouvidor, to see the Emperor go in state to the opening of the Constituent and Legislative Assembly. All the great officers of state, all the gentlemen of the household, most of the nobility, and several regiments accompanied him. First marched the soldiers, then the carriages of the nobility and other persons having the entree, nobody driving more than a pair, such being the express order of the Emperor, in order that the rich might not mortify the poor; then the royal carriages, containing the household, the ladies of honour, and the young Princess Dona Maria da Gloria; the Emperor and Empress followed in a state-coach with eight mules. The crown was on the front seat. The Emperor wore the great cape of state, of yellow feathers, over his green robes. The Empress, much wrapped up on account of a recent indisposition, was seated by him, and the procession was closed by more troops. The carriages displayed to-day would form a curious collection for a museum in London or Paris. Some were the indescribable sort of caleche used here; and in the middle of these was a very gay pea-green and silver chariot, evidently built in Europe, very light, with silver ornaments, silver fellies to the wheels, silver where any kind of metal could be used, and beautiful embossed silver plates on the harness of the mules. Many other gala carriages seemed as if they had been built in the age of Louis XIV. Such things! mounted on horizontal leathern bands, and all other kind of savage hangings; besides paint and gilding, and, by-the-bye, some very handsome silver and silver gilt harnesses. Then there were splendid liveries, and all manner of gaudiness, not without some taste. The houses were hung with all the damask and satin of every colour that they could supply; and the balconies stored with ladies, whose bright eyes rain influence, dressed in gala dresses, with feathers and diamonds in profusion; and as the royal carriages passed, we waved our handkerchiefs, and scattered flowers on their heads.