FOREIGN. --
... FOREIGN. PORTliGAL. BourllJont has been officially appointed Marshal of the Royal Armies and Chief of his Majesty's Staff,and has already commenced operations against Oporto, in which, it is reported, he has been much worsted. The following is an extract of a letter from Falmouth, dated 30th July. His Majesty's steamer African has just arrived from Lisbon and Oporto, and brings intelligence ...