BRAZIL
... By an arrival from Rila de Janeiro we have received Brazil Papers to the 7th of April. The two Chambers had their prePa- roatry sitting on the 28:lh of March, andt no the 2d of April the Emperor opened the Legislative Assembly in due form. In the speech which he adldressed to it he alludes with Rreat brevity to tbe unexpected news that foreign troops of Portuguese emi- grants were about to ...