IN DECATURftLot Is Said to Have Been Purchased for Opera House,An oplt; ra house in Dtcatur h; i been etricKen from the list of pos* sibiiities, and, if our information is correct, bids fair to become an established fact before anotb r theatrical season opens.Architect Breeding, of Birming ham, has been here this week in consultation with the projectors of the enterprise, and we understand that the lot on the corner of Church and Canal streets, on which at present stands the building occupied by Sidney Johnson as a re: i deuce, has beeu purchased fori tl'e purpose.