The house met at 10 o'clock, and proceeded about [...]11 to Westminster-hall, to attend the trial of lord Melville. Their lordships returned about 4 o'clock when an order was made to proceed again on the trial the next day, and a message sent to the Commons to acquaint them therewith. —The Wine Ditty bill and the Appraisement Duty bill were read a third time and passed. Lord St. Vincent's Annuity bill, the Longitude bill, and the London Docks bill, were read a second time. The Admiralty Jurisdiction bill was also read a second time.—Lord Holland presented petitions from the prisoners confined for debt in the county gaols of Chester, Gloucester, Worcester, and Surrey; and also a petition from a person confined in the four-courts marshalsea, Dublin, praying for relief; all of which were ordered to lie on the table.—The Attorney General brought up the Slave importion bill from the Commons, which was read a 1st time.—The Duke of Clarence professed himself decidedly hostile to the bill, and declared that he should give it his most strenuons opposition.